{"title":"Welch Repair Kits","description":"\u003cp\u003eAll Welch Repair Kits in this product category are genuine Welch parts made at the Welch factory. These original OEM parts are the same highly precision machined parts used in the manufacturing of Welch vacuum pumps.\u003c\/p\u003e","products":[{"product_id":"welch-2034c-02-ptfe-dry-pump-12-mbar-21l-min-230v-50hz-1ph-with-ce-mark","title":"Welch 2034C-02 PTFE Dry Pump 12 mbar, 21L\/min  230V 50Hz 1Ph with CE mark","description":"\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eWelch 2034C-02 Dry Chemical Duty Diaphragm Vacuum Pump\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWelch® DryFast® diaphragm pumps are designed for harsh chemical duty processes and stand above the competition in performance.  Welch® DryFast® vacuum pump provide tunable control, precisely within 1 Torr. The Welch® DryFast® is lightweight, with a control knob ergonomically easy to use, front and center of the pump. The Welch 2034 is an excellent pump for evaporation medium boiling point solvents, such as water and toluene. Contact your Chemtech Scientific representative for best practices and set up information.\u003c\/p\u003e\n\u003ctable width=\"351\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eEuropean Schuko Plug\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003e\n\u003cp\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"180\"\u003e\n\u003cp\u003eInlet \/ Exhaust Separator Jars, 1423B\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e21 l\/min\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e12 mbar\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e7 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust .\/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eM14(1\/8)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e35.2x17.2x22.3 cm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136645584,"sku":"2034C-02","price":2464.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2034c-02-ptfe-dry-pump-12-mbar-21l-min-230v-50hz-1ph-with-ce-mark-15978659936.jpg?v=1779796780"},{"product_id":"welch-2042b-01-dryfast-ultra-diaphragm-vacuum-pump-chemical-resistant","title":"Welch 2042B-01 Dryfast Ultra Diaphragm Vacuum Pump | Chemical Resistant","description":"\u003cp\u003eWelch 2042B-01 PTFE Dryfast Ultra Diaphragm Vacuum Pump\u003c\/p\u003e\n\u003cp\u003eWelch® DryFast® diaphragm pumps are designed for harsh chemical duty processes and stand above the competition in performance.  Welch® DryFast® vacuum pump provide tunable control, precisely within 1 Torr. The Welch® DryFast® is lightweight, with a control knob ergonomically easy to use, front and center of the pump. The Welch 2042 is an excellent pump for evaporation high boiling point solvents, such as DMF.  Contact your Chemtech Scientific representative for best practices and set up information.\u003c\/p\u003e\n\u003cp\u003eWelch Dryfast Vacuum Pump -We highly recommend PTFE diaphragm pumps. PTFE diaphragm pumps are super chemically resistant and do not backstream PTFE dust into the process\/product.\u003c\/p\u003e\n\u003ctable width=\"249\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003eUS standard plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003eInlet \/ Exhaust Separator Jars, 1423B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003e35 l\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003e2 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003e1\/4\" ID\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003eM14(1\/8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003e13.8x6.8x8.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003e21.25 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"130\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"119\"\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136649380,"sku":"2042B-01","price":3946.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2042b-01-dryfast-ultra-diaphragm-vacuum-pump-chemical-resistant-25481372565653.jpg?v=1779796038"},{"product_id":"welch-2042c-02-dryfast-ultra-diaphragm-vacuum-pump","title":"Welch 2042C-02 Dryfast Ultra Diaphragm Vacuum Pump","description":"\u003cp style=\"text-align: left;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":-29}'\u003eWelch 2042C-02 Dryfast Ultra Diaphragm Vacuum Pump\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":45,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":7}'\u003eWelch® DryFast® diaphragm pumps are designed for harsh chemical duty processes and stand above the competition in performance. Quiet, oil-free Welch® DryFast® vacuum pump provide tunable control, precisely within 1 Torr.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":119,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":81}'\u003eThe Welch® DryFast® is lightweight, with a control knob ergonomically easy to use, front and center of the pump. The Welch 2042 is an excellent pump for evaporation high boiling point solvents, such as DMF. Contact your Chemtech Scientific representative for best practices and set up information.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":214,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":176}'\u003eWelch Dryfast Vacuum Pump - We highly recommend PTFE diaphragm pumps. PTFE diaphragm pumps are super chemically resistant and do not backstream PTFE dust into the process\/product.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":289,\"w\":560,\"h\":97,\"abs_x\":621,\"abs_y\":251}'\u003eThe Welch 2042C-02 DryFast is a powerful, oil-free PTFE diaphragm vacuum pump that delivers tunable vacuum control down to 1 Torr. Its chemically resistant design makes it ideal for aggressive solvents, high-boiling-point compounds like DMF, and other demanding chemical applications. With quiet operation and no oil maintenance, it provides clean, reliable vacuum without contamination risks.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":403,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003ePerfect for rotary evaporation, vacuum ovens, filtration, and solvent recovery.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":438,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":400}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":438,\"w\":263,\"h\":19,\"abs_x\":621,\"abs_y\":400}'\u003eNeed setup advice or technical support?\u003c\/strong\u003e Contact your Chemtech Scientific representative or email \u003cstrong bis_size='{\"x\":157,\"y\":458,\"w\":177,\"h\":19,\"abs_x\":766,\"abs_y\":420}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":157,\"y\":458,\"w\":177,\"h\":19,\"abs_x\":766,\"abs_y\":420}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ctable width=\"351\" bis_size='{\"x\":12,\"y\":493,\"w\":560,\"h\":378,\"abs_x\":621,\"abs_y\":455}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":496,\"w\":554,\"h\":372,\"abs_x\":624,\"abs_y\":458}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":496,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":458}'\u003e\n\u003ctd width=\"166\" bis_size='{\"x\":15,\"y\":496,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":458}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":498,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":460}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":498,\"w\":105,\"h\":19,\"abs_x\":626,\"abs_y\":460}'\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":496,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":458}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":498,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":460}'\u003eEuropean Schuko Plug\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":538,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":500}'\u003e\n\u003ctd width=\"166\" bis_size='{\"x\":15,\"y\":538,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":500}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":540,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":502}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":540,\"w\":216,\"h\":19,\"abs_x\":626,\"abs_y\":502}'\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"185\" bis_size='{\"x\":278,\"y\":538,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":500}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":540,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":502}'\u003eInlet \/ Exhaust Separator Jars, 1423B\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":580,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":542}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":580,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":542}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":582,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":544}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":582,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":544}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":580,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":542}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":582,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":544}'\u003e29 l\/min\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":621,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":583}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":621,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":583}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":623,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":585}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":623,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":585}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":621,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":583}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":623,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":585}'\u003e2.7 mbar\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":663,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":625}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":663,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":625}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":665,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":627}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":665,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":627}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":663,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":625}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":665,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":627}'\u003e7 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":704,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":666}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":704,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":666}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":706,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":668}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":706,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":668}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":704,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":666}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":706,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":668}'\u003eM14(1\/8)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":746,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":708}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":746,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":708}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":748,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":710}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":748,\"w\":127,\"h\":19,\"abs_x\":626,\"abs_y\":710}'\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":746,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":708}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":748,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":710}'\u003e35.2x17.2x22.3 cm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":788,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":750}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":788,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":750}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":790,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":752}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":790,\"w\":47,\"h\":19,\"abs_x\":626,\"abs_y\":752}'\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":788,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":750}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":790,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":752}'\u003e9.6 kg\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":829,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":791}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":829,\"w\":261,\"h\":39,\"abs_x\":624,\"abs_y\":791}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":831,\"w\":257,\"h\":19,\"abs_x\":626,\"abs_y\":793}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":831,\"w\":44,\"h\":19,\"abs_x\":626,\"abs_y\":793}'\u003eWiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":278,\"y\":829,\"w\":290,\"h\":39,\"abs_x\":887,\"abs_y\":791}'\u003e\n\u003cp bis_size='{\"x\":280,\"y\":831,\"w\":286,\"h\":19,\"abs_x\":889,\"abs_y\":793}'\u003e230V, 50 hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp bis_size='{\"x\":12,\"y\":872,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":834}'\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136650216,"sku":"2042C-02","price":3946.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2042c-02-dryfast-ultra-diaphragm-vacuum-pump-15978791008.jpg?v=1779794270"},{"product_id":"welch-1397k-08-major-repair-kit-for-1397-and-1374-vacuum-pump","title":"Welch 1397K‐08, MAJOR REPAIR KIT, for 1397 and 1374 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":-485}'\u003eThe Welch 1397K‐08 Major Repair Kit is a complete overhaul kit designed for the Welch 1397 and 1374 DUOSEAL vacuum pumps. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and extending its service life significantly.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":-391}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":-391}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":139,\"w\":560,\"h\":117,\"abs_x\":621,\"abs_y\":-355}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":139,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":-355}'\u003eVanes (blades)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":159,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":-335}'\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":178,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":-316}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":198,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":-296}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":217,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":-277}'\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":237,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":-257}'\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":271,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":-223}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":326,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":-168}'\u003eRegular use of the 1397K-08 Major Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents costly downtime. It is especially recommended after 8,000–12,000 hours of operation or when performance drops.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":401,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":-93}'\u003eKeep your Welch DUOSEAL pumps running at peak efficiency with genuine OEM parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":456,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":-38}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":456,\"w\":188,\"h\":19,\"abs_x\":621,\"abs_y\":-38}'\u003eNeed installation assistance?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":240,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":849,\"abs_y\":-38}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":240,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":849,\"abs_y\":-38}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":463,\"y\":456,\"w\":100,\"h\":19,\"abs_x\":1072,\"abs_y\":-38}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 bis_size='{\"x\":12,\"y\":491,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":-3}'\u003e\u003cspan style=\"color: #2b00ff;\" bis_size='{\"x\":12,\"y\":491,\"w\":512,\"h\":57,\"abs_x\":621,\"abs_y\":-3}'\u003e\u003ca style=\"color: #2b00ff;\" title=\"Welch 1397K-08 MAJOR REPAIR_KIT for 1397 and 1374 Vacuum_Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1397K_08_MAJOR_REPAIR_KIT_for_1397_and_1374_Vacuum_Pump.pdf?v=1585256220\" rel=\"noopener noreferrer\" bis_size='{\"x\":12,\"y\":491,\"w\":512,\"h\":57,\"abs_x\":621,\"abs_y\":-3}' target=\"_blank\"\u003e\u003cstrong bis_size='{\"x\":12,\"y\":491,\"w\":512,\"h\":57,\"abs_x\":621,\"abs_y\":-3}'\u003eWelch 1397K‐08 MAJOR REPAIR KIT, for 1397 and 1374 Vacuum Pump.pdf\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/h2\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1162473116,"sku":"1397K-08","price":973.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397k-08-major-repair-kit-for-1397-and-1374-vacuum-pump-16902324320.png?v=1779794294"},{"product_id":"welch-1397k-07-minor-repair-kit-for-1397-and-1374-vacuum-pump","title":"Welch 1397K‐07, MINOR REPAIR KIT, for 1397 and 1374 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":-129}'\u003eThe Welch 1397K‐07 Minor Repair Kit is a genuine OEM maintenance kit designed for the Welch 1397 and 1374 DUOSEAL rotary vane vacuum pumps. This kit provides all essential components needed for routine minor repairs and preventive maintenance, helping restore pump performance and extend service life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":-35}'\u003eNote: This minor kit does not include vanes (blades). Vanes are only included in the Major Repair Kit (1397K-08).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":21}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":159,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":21}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":194,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":56}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":194,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":56}'\u003eValve springs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":214,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":76}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":233,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":95}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":253,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":115}'\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":287,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":149}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":342,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":204}'\u003eIdeal for pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1397K-07 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":417,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":279}'\u003eKeep your Welch 1397 and 1374 pumps operating at peak efficiency with authentic Welch parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":472,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":334}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":472,\"w\":312,\"h\":19,\"abs_x\":621,\"abs_y\":334}'\u003eNeed installation guidance or major repair kits?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":365,\"y\":472,\"w\":177,\"h\":19,\"abs_x\":974,\"abs_y\":334}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":365,\"y\":472,\"w\":177,\"h\":19,\"abs_x\":974,\"abs_y\":334}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":36,\"y\":491,\"w\":100,\"h\":19,\"abs_x\":645,\"abs_y\":353}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" bis_size='{\"x\":12,\"y\":527,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":389}'\u003e \u003ca title=\"Welch 1397K‐07 MINOR REPAIR KIT, for 1397 and 1374 Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/WELCH_MINOR_REPAIR_KIT_for_1397_and_1374_Vacuum_Pump-2.pdf?v=1592765689\" rel=\"noopener noreferrer\" bis_size='{\"x\":15,\"y\":527,\"w\":462,\"h\":19,\"abs_x\":624,\"abs_y\":389}' target=\"_blank\"\u003e\u003cstrong bis_size='{\"x\":15,\"y\":527,\"w\":462,\"h\":19,\"abs_x\":624,\"abs_y\":389}'\u003e\u003cspan class=\"page-title\" bis_size='{\"x\":15,\"y\":527,\"w\":462,\"h\":19,\"abs_x\":624,\"abs_y\":389}'\u003eWelch 1397K‐07 MINOR REPAIR KIT, for 1397 and 1374 Vacuum Pump\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":563,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":425}'\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164853488,"sku":null,"price":695.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397k-07-minor-repair-kit-for-1397-and-1374-vacuum-pump-25489761206421.jpg?v=1779796175"},{"product_id":"welch-1376k-06-major-repair-kit-for-1376-vacuum-pump","title":"Welch 1376K-06 MAJOR REPAIR KIT, for 1376 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1376K-06 Major Repair Kit is a complete overhaul kit designed for the Welch 1376 DUOSEAL rotary vane vacuum pump. This kit contains all major components needed for a full rebuild, restoring your pump to peak performance and significantly extending its service life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eVanes (blades)\u003c\/li\u003e\n\u003cli\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli\u003eShaft seals\u003c\/li\u003e\n\u003cli\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eIdeal for pumps that have high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels, reduce vibration, and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eKeep your Welch 1376 vacuum pump running at maximum efficiency with authentic Welch parts from Chemtech Scientific. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed installation guidance or other kits?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164881276,"sku":null,"price":844.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376k-06-major-repair-kit-for-1376-vacuum-pump-25494056501397.jpg?v=1779793893"},{"product_id":"welch-1376k-05-minor-repair-kit-for-1376-vacuum-pump","title":"Welch 1376K-05 MINOR REPAIR KIT, for 1376 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eThe Welch 1376K-05 Minor Repair Kit is a genuine OEM maintenance kit designed specifically for the Welch 1376 DUOSEAL rotary vane vacuum pump. This kit provides all essential components needed for routine minor repairs and preventive maintenance, helping restore performance and extend the life of your pump.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003e\u003cstrong bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1376K-06).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003e\u003cstrong bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003e\n\u003cli bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eValve springs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eIdeal for pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1376K-05 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eKeep your Welch 1376 vacuum pump running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003e\u003cstrong bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003eNeed a Major Repair Kit or installation help?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":0,\"y\":0,\"w\":0,\"h\":0,\"abs_x\":0,\"abs_y\":0}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164908852,"sku":null,"price":384.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376k-05-minor-repair-kit-for-1376-vacuum-pump-17007542368.png?v=1779796783"},{"product_id":"welch-1380k-04-major-repair-kit-for-1380-vacuum-pump","title":"Welch 1380K-04, MAJOR REPAIR KIT, for 1380 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1380K-04 Major Repair Kit is a complete overhaul kit designed for the Welch 1380 DUOSEAL rotary vane vacuum pump. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and significantly extending its service life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":139,\"w\":560,\"h\":117,\"abs_x\":621,\"abs_y\":401}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":139,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":401}'\u003eVanes (blades)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":159,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":421}'\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":178,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":440}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":198,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":460}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":217,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":479}'\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":237,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":499}'\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":271,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":533}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":326,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":588}'\u003eIdeal for pumps with high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels, reduce vibration, and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":401,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":663}'\u003eKeep your Welch 1380 vacuum pump running at peak efficiency with authentic Welch parts from Chemtech Scientific. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":456,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":718}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":456,\"w\":182,\"h\":19,\"abs_x\":621,\"abs_y\":718}'\u003eNeed installation guidance?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":235,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":844,\"abs_y\":718}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":235,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":844,\"abs_y\":718}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":457,\"y\":456,\"w\":100,\"h\":19,\"abs_x\":1066,\"abs_y\":718}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164918156,"sku":null,"price":585.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1380k-04-major-repair-kit-for-1380-vacuum-pump-25489869734037.jpg?v=1779794302"},{"product_id":"welch-1380k-03-minor-repair-kit-for-1380-vacuum-pump","title":"Welch 1380K-03, MINOR REPAIR KIT, for 1380 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1380K-03 Minor Repair Kit is a genuine OEM maintenance kit designed for the Welch 1380 DUOSEAL rotary vane vacuum pump. This kit provides essential components for routine minor repairs and preventive maintenance, helping restore performance and extend pump life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":36,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong bis_size='{\"x\":173,\"y\":103,\"w\":22,\"h\":19,\"abs_x\":782,\"abs_y\":365}'\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1380K-04).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":159,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":194,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":456}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":194,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":456}'\u003eValve springs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":214,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":476}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":233,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":495}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":253,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":515}'\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":287,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":549}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":342,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":604}'\u003eIdeal for pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1380K-03 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":436,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":698}'\u003eKeep your Welch 1380 vacuum pump running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":491,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":753}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":491,\"w\":291,\"h\":19,\"abs_x\":621,\"abs_y\":753}'\u003eNeed a Major Repair Kit or installation help?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":344,\"y\":491,\"w\":177,\"h\":19,\"abs_x\":953,\"abs_y\":753}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":344,\"y\":491,\"w\":177,\"h\":19,\"abs_x\":953,\"abs_y\":753}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":12,\"y\":511,\"w\":100,\"h\":19,\"abs_x\":621,\"abs_y\":773}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164920748,"sku":null,"price":336.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1380k-03-minor-repair-kit-for-1380-vacuum-pump-25489875337365.jpg?v=1779796786"},{"product_id":"welch-1399k-04-major-repair-kit-for-1399-vacuum-pump","title":"Welch 1399K-04, MAJOR REPAIR KIT, for 1399 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":-129}'\u003eThe Welch 1399K-04 Major Repair Kit is a complete overhaul kit designed for the Welch 1399 DUOSEAL rotary vane vacuum pump. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and significantly extending its service life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":-35}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":-35}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":139,\"w\":560,\"h\":117,\"abs_x\":621,\"abs_y\":1}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":139,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":1}'\u003eVanes (blades)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":159,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":21}'\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":178,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":40}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":198,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":60}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":217,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":79}'\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":237,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":99}'\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":271,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":133}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":326,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":188}'\u003eIdeal for pumps with high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels, reduce vibration, and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":401,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":263}'\u003eKeep your Welch 1399 vacuum pump running at peak efficiency with authentic Welch parts from Chemtech Scientific. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":456,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":318}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":456,\"w\":267,\"h\":19,\"abs_x\":621,\"abs_y\":318}'\u003eNeed installation guidance or other kits?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":319,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":928,\"abs_y\":318}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":319,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":928,\"abs_y\":318}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":12,\"y\":475,\"w\":100,\"h\":19,\"abs_x\":621,\"abs_y\":337}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164928592,"sku":"","price":410.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399k-04-major-repair-kit-for-1399-vacuum-pump-25489728929941.jpg?v=1779796786"},{"product_id":"welch-1399k-03-minor-repair-kit-for-1399-vacuum-pump","title":"Welch 1399K-03, MINOR REPAIR KIT, for 1399 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1399K-03 Minor Repair Kit is a genuine OEM maintenance kit designed for the Welch 1399 DUOSEAL rotary vane vacuum pump. This kit provides essential components for routine minor repairs and preventive maintenance, helping restore performance and extend pump life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":36,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong bis_size='{\"x\":173,\"y\":103,\"w\":22,\"h\":19,\"abs_x\":782,\"abs_y\":365}'\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1399K-04).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":159,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":194,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":456}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":194,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":456}'\u003eValve springs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":214,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":476}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":233,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":495}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":253,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":515}'\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":287,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":549}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":342,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":604}'\u003eIdeal for pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1399K-03 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":436,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":698}'\u003eKeep your Welch 1399 vacuum pump running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":491,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":753}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":491,\"w\":291,\"h\":19,\"abs_x\":621,\"abs_y\":753}'\u003eNeed a Major Repair Kit or installation help?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":344,\"y\":491,\"w\":177,\"h\":19,\"abs_x\":953,\"abs_y\":753}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":344,\"y\":491,\"w\":177,\"h\":19,\"abs_x\":953,\"abs_y\":753}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":12,\"y\":511,\"w\":100,\"h\":19,\"abs_x\":621,\"abs_y\":773}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164931272,"sku":null,"price":290.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399k-03-minor-repair-kit-for-1399-vacuum-pump-25489735352469.jpg?v=1779793894"},{"product_id":"welch-1400k-04-major-repair-kit-for-1400-vacuum-pump","title":"Welch 1400K-04, MAJOR REPAIR KIT, for 1400 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1400K-04 Major Repair Kit is a complete overhaul kit designed for the Welch 1400 DUOSEAL rotary vane vacuum pump. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and significantly extending its service life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eVanes (blades)\u003c\/li\u003e\n\u003cli\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli\u003eShaft seals\u003c\/li\u003e\n\u003cli\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca title=\"Welch 1400K-04 Major repair kit, for 1400 vacuum pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1400K-04_MAJOR_REPAIR_KIT_for_1400_Vacuum_Pump.pdf?v=1592760762\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWelch 1400K-04 major repair kit, for 1400 vacuum pump\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eIdeal for pumps with high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels, reduce vibration, and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eKeep your Welch 1400 vacuum pump running at peak efficiency with authentic Welch parts from Chemtech Scientific. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed guidance or other kits?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164933656,"sku":"1400K-04","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400k-04-major-repair-kit-for-1400-vacuum-pump-25488008708245.jpg?v=1779794304"},{"product_id":"welch-1400k-03-minor-repair-kit-for-1400-vacuum-pump","title":"Welch 1400K-03, MINOR REPAIR KIT, for 1400 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1400K-03 Minor Repair Kit is a genuine OEM maintenance kit designed for the Welch 1400 DUOSEAL rotary vane vacuum pump. This kit provides essential components for routine minor repairs and preventive maintenance, helping restore performance and extend pump life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":36,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong bis_size='{\"x\":173,\"y\":103,\"w\":22,\"h\":19,\"abs_x\":782,\"abs_y\":365}'\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1400K-04).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":159,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":194,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":456}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":194,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":456}'\u003eValve springs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":214,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":476}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":233,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":495}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":253,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":515}'\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":12,\"y\":287,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":549}'\u003e\u003ca title=\"Welch 1400K-03 MINOR REPAIR KIT, for 1400 Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1400K-04_MAJOR_REPAIR_KIT_for_1400_Vacuum_Pump.pdf?v=1592760762\" rel=\"noopener noreferrer\" bis_size='{\"x\":12,\"y\":287,\"w\":516,\"h\":19,\"abs_x\":621,\"abs_y\":549}' target=\"_blank\"\u003e\u003cstrong bis_size='{\"x\":12,\"y\":287,\"w\":516,\"h\":19,\"abs_x\":621,\"abs_y\":549}'\u003eExploded View of Welch 1400K-03 MINOR REPAIR KIT, for 1400 Vacuum Pump\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":322,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":584}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":377,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":639}'\u003eIdeal for pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1400K-03 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":472,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":734}'\u003eKeep your Welch 1400 vacuum pump running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":527,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":789}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":527,\"w\":214,\"h\":19,\"abs_x\":621,\"abs_y\":789}'\u003eNeed a Major Repair Kit or help?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":266,\"y\":527,\"w\":177,\"h\":19,\"abs_x\":875,\"abs_y\":789}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":266,\"y\":527,\"w\":177,\"h\":19,\"abs_x\":875,\"abs_y\":789}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":12,\"y\":527,\"w\":545,\"h\":38,\"abs_x\":621,\"abs_y\":789}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164934860,"sku":null,"price":297.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400k-03-minor-repair-kit-for-1400-vacuum-pump-25489691705493.jpg?v=1779794304"},{"product_id":"welch-1402k-06-major-repair-kit-for-1402-and-1405-vacuum-pump","title":"Welch 1402K-06 MAJOR REPAIR KIT, for 1402 and 1405 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1402K-06 Major Repair Kit is a complete overhaul kit designed for the Welch 1402 and 1405 DUOSEAL rotary vane vacuum pumps. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and significantly extending its service life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eVanes (blades)\u003c\/li\u003e\n\u003cli\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli\u003eShaft seals\u003c\/li\u003e\n\u003cli\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca title=\"Welch 1402K-06 MAJOR REPAIR KIT, for 1402 and 1405 Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1402B-01_pump_exploded_view_of_parts_a1a07dbc-d104-4522-bdc5-548e2c434f99.pdf?v=1592764668\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eWelch 1402K-06 MAJOR REPAIR KIT, for 1402 and 1405 Vacuum Pump.pdf\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eIdeal for pumps with high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels, reduce vibration, and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eKeep your Welch 1402 and 1405 vacuum pumps running at peak efficiency with authentic Welch parts from Chemtech Scientific. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed assistance or other kits?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164937052,"sku":"1402K-06","price":747.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402k-06-major-repair-kit-for-1402-and-1405-vacuum-pump-17007804512.png?v=1779797061"},{"product_id":"welch-1402k-05-minor-repair-kit-for-1402-and-1405-vacuum-pump","title":"Welch 1402K-05 MINOR REPAIR KIT, for 1402 and 1405 Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1402K-05 Minor Repair Kit is a genuine OEM maintenance kit designed for the Welch 1402 and 1405 DUOSEAL rotary vane vacuum pumps. This kit provides essential components for routine minor repairs and preventive maintenance, helping restore performance and extend pump life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1402K-06).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003cli\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli\u003eShaft seals\u003c\/li\u003e\n\u003cli\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca title=\"Welch 1402K-05 MINOR REPAIR KIT, for 1402 and 1405 Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1402B-01_pump_exploded_view_of_parts.pdf?v=1592761371\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003e Welch 1402K-05 MINOR REPAIR KIT, for 1402 and 1405 Vacuum Pump.pdf\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eIdeal for pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1402K-05 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs. Easy to install with basic tools.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eKeep your Welch 1402 and 1405 vacuum pumps running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed a Major Repair Kit or assistance?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164938376,"sku":null,"price":369.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402k-05-minor-repair-kit-for-1402-and-1405-vacuum-pump-25487931670677.jpg?v=1779794299"},{"product_id":"welch-1376k-10-chemstar-major-repair-kit-for-1376n-vacuum-pump","title":"Welch 1376K-10 Chemstar MAJOR REPAIR KIT for 1376N Vacuum Pump","description":"\u003ch3 dir=\"auto\" bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":22,\"abs_x\":621,\"abs_y\":-29}'\u003eWelch 1376K-10 ChemStar Major Repair Kit for 1376N Vacuum Pump\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":43,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":5}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":43,\"w\":252,\"h\":19,\"abs_x\":621,\"abs_y\":5}'\u003eGenuine Welch factory OEM repair kit.\u003c\/strong\u003e Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":98,\"w\":575,\"h\":78,\"abs_x\":621,\"abs_y\":60}'\u003eRestore full performance and extend the service life of your Welch ChemStar 1376N belt-drive rotary vane vacuum pump with the genuine OEM Major Repair Kit 1376K-10. This comprehensive overhaul kit is specifically designed for the ChemStar series, which excels in handling aggressive chemical vapors and corrosive gases.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":192,\"w\":575,\"h\":58,\"abs_x\":621,\"abs_y\":154}'\u003eThe ChemStar 1376N is a robust, high-capacity pump ideal for large vacuum ovens, freeze dryers, vacuum distillation, and other harsh chemical processes. The 1376K-10 kit brings it back to like-new condition with premium factory components.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":267,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":229}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":267,\"w\":109,\"h\":19,\"abs_x\":621,\"abs_y\":229}'\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":303,\"w\":575,\"h\":78,\"abs_x\":621,\"abs_y\":265}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":303,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":265}'\u003eCast iron or high-durability rotary vanes\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":322,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":284}'\u003eComplete set of seals, gaskets, and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":342,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":304}'\u003eMechanical shaft seal assembly\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":361,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":323}'\u003eValves, springs, intake screen, and other high-wear components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp bis_size='{\"x\":12,\"y\":395,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":357}'\u003e\u003ca title=\"Welch 1376K-10 Chemstar MAJOR REPAIR KIT, for 1376N Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/1376N_exploded_view_repair_kits.pdf?v=1592762073\" rel=\"noopener noreferrer\" bis_size='{\"x\":12,\"y\":395,\"w\":476,\"h\":19,\"abs_x\":621,\"abs_y\":357}' target=\"_blank\"\u003e\u003cstrong bis_size='{\"x\":12,\"y\":395,\"w\":476,\"h\":19,\"abs_x\":621,\"abs_y\":357}'\u003eWelch 1376K-10 Chemstar MAJOR REPAIR KIT, for 1376N Vacuum Pump\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":430,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":392}'\u003eThis is a \u003cstrong bis_size='{\"x\":64,\"y\":430,\"w\":146,\"h\":19,\"abs_x\":673,\"abs_y\":392}'\u003efull major overhaul kit\u003c\/strong\u003e — everything needed for a complete rebuild (not a minor seal kit).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":486,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":448}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":486,\"w\":234,\"h\":19,\"abs_x\":621,\"abs_y\":448}'\u003eWhy Buy from Chemtech Scientific?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":521,\"w\":575,\"h\":78,\"abs_x\":621,\"abs_y\":483}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":521,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":483}'\u003eCompetitive pricing on genuine Welch OEM parts\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":541,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":503}'\u003eExpert technical support from vacuum specialists\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":560,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":522}'\u003eFast shipping\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":580,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":542}'\u003eFull inventory of ChemStar pumps, oils, and service kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":614,\"w\":575,\"h\":58,\"abs_x\":621,\"abs_y\":576}'\u003eOrder your Welch 1376K-10 Major Repair Kit today and keep your high-capacity ChemStar pump running reliably for years to come. Need help with installation or choosing the right kit? \u003ca title=\"Chemtech Scientific\" href=\"https:\/\/www.chemtechsci.com\/pages\/contact-us\" rel=\"noopener\" bis_size='{\"x\":37,\"y\":653,\"w\":114,\"h\":19,\"abs_x\":646,\"abs_y\":615}' target=\"_blank\"\u003e\u003cstrong bis_size='{\"x\":37,\"y\":653,\"w\":114,\"h\":19,\"abs_x\":646,\"abs_y\":615}'\u003e\u003cspan style=\"text-decoration: underline;\" bis_size='{\"x\":37,\"y\":653,\"w\":114,\"h\":19,\"abs_x\":646,\"abs_y\":615}'\u003eContact our team\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e — we’re happy to assist.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":688,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":650}'\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164944252,"sku":null,"price":1008.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376k-10-chemstar-major-repair-kit-for-1376n-vacuum-pump-25489890410645.jpg?v=1779794313"},{"product_id":"welch-1376k-09-chemstar-minor-repair-kit-for-1376n-vacuum-pump","title":"Welch 1376K-09 Chemstar MINOR REPAIR KIT, for 1376N Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1376K-09 ChemStar Minor Repair Kit is a genuine OEM maintenance kit designed specifically for the Welch 1376N ChemStar chemically resistant rotary vane vacuum pump. This kit provides essential components for routine minor repairs and preventive maintenance, helping maintain performance and extend pump life in harsh chemical environments.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1376K-10).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003cli\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli\u003eShaft seals\u003c\/li\u003e\n\u003cli\u003eNecessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca title=\"Welch 1376K-09 Chemstar MINOR REPAIR KIT, for 1376N Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/1376N_exploded_view_repair_kits.pdf?v=1592762073\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003e Welch 1376K-09 Chemstar MINOR REPAIR KIT, for 1376N Vacuum Pump\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eIdeal for ChemStar pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use helps maintain optimal vacuum levels and prevents more costly major repairs.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eKeep your Welch 1376N ChemStar vacuum pump running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed a Major Repair Kit or technical assistance?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164945752,"sku":null,"price":446.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376k-09-chemstar-minor-repair-kit-for-1376n-vacuum-pump-25494052241557.jpg?v=1779797059"},{"product_id":"welch-1400k-10-chemstar-major-repair-kit-for-1400n-vacuum-pump","title":"Welch 1400K-10, Chemstar MAJOR REPAIR KIT, for 1400N Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1400K-10 ChemStar Major Repair Kit is a complete overhaul kit designed for the Welch 1400N ChemStar chemically resistant rotary vane vacuum pump. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and significantly extending its service life in harsh chemical environments.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eVanes (blades)\u003c\/li\u003e\n\u003cli\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli\u003eShaft seals\u003c\/li\u003e\n\u003cli\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eIdeal for ChemStar pumps with high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eKeep your Welch 1400N ChemStar vacuum pump running at peak efficiency with authentic Welch parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed assistance or other kits?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164947300,"sku":null,"price":812.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400k-10-chemstar-major-repair-kit-for-1400n-vacuum-pump-17007935584.png?v=1779796200"},{"product_id":"welch-1400k-09-chemstar-minor-repair-kit-for-1400n-vacuum-pump","title":"Welch 1400K-09, Chemstar MINOR REPAIR KIT, for 1400N Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1400K-09 ChemStar Minor Repair Kit is a genuine OEM maintenance kit designed specifically for the Welch 1400N ChemStar chemically resistant rotary vane vacuum pump. This kit provides essential components for routine minor repairs and preventive maintenance, helping maintain performance and extend pump life in harsh chemical environments.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1400K-10).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003cli\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli\u003eShaft seals\u003c\/li\u003e\n\u003cli\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eIdeal for ChemStar pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1400K-09 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eKeep your Welch 1400N ChemStar vacuum pump running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed a Major Repair Kit or assistance?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164949224,"sku":null,"price":365.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400k-09-chemstar-minor-repair-kit-for-1400n-vacuum-pump-17007968352.png?v=1779796642"},{"product_id":"welch-1402k-09-chemstar-minor-repair-kit-for-1402n-vacuum-pump","title":"Welch 1402K-09, Chemstar MINOR REPAIR KIT, for 1402N Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":97,\"abs_x\":621,\"abs_y\":71}'\u003eThe Welch 1402K-09 ChemStar Minor Repair Kit is a genuine OEM maintenance kit designed specifically for the Welch 1402N ChemStar chemically resistant rotary vane vacuum pump. This kit provides essential components for routine minor repairs and preventive maintenance, helping maintain performance and extend pump life in harsh chemical environments.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":123,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":185}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":123,\"w\":36,\"h\":19,\"abs_x\":621,\"abs_y\":185}'\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong bis_size='{\"x\":173,\"y\":123,\"w\":22,\"h\":19,\"abs_x\":782,\"abs_y\":185}'\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit (1402K-10).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":178,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":240}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":178,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":240}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":214,\"w\":575,\"h\":78,\"abs_x\":621,\"abs_y\":276}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":214,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":276}'\u003eValve springs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":233,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":295}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":253,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":315}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":273,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":335}'\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":306,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":368}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":361,\"w\":575,\"h\":58,\"abs_x\":621,\"abs_y\":423}'\u003eIdeal for ChemStar pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1402K-09 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":436,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":498}'\u003eKeep your Welch 1402N ChemStar vacuum pump running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":491,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":553}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":491,\"w\":251,\"h\":19,\"abs_x\":621,\"abs_y\":553}'\u003eNeed a Major Repair Kit or assistance?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":303,\"y\":491,\"w\":177,\"h\":19,\"abs_x\":912,\"abs_y\":553}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":303,\"y\":491,\"w\":177,\"h\":19,\"abs_x\":912,\"abs_y\":553}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":12,\"y\":491,\"w\":552,\"h\":38,\"abs_x\":621,\"abs_y\":553}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164950984,"sku":null,"price":451.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402k-09-chemstar-minor-repair-kit-for-1402n-vacuum-pump-25487927050389.jpg?v=1779796651"},{"product_id":"welch-1402k-10-chemstar-major-repair-kit-for-1402n-vacuum-pump","title":"Welch 1402K-10, Chemstar MAJOR REPAIR KIT, for 1402N Vacuum Pump","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":97,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1402K-10 ChemStar Major Repair Kit is a complete overhaul kit designed for the Welch 1402N ChemStar chemically resistant rotary vane vacuum pump. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and significantly extending its service life in harsh chemical environments.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":123,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":385}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":123,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":385}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":117,\"abs_x\":621,\"abs_y\":421}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":159,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":421}'\u003eVanes (blades)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":178,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":440}'\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":198,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":460}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":217,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":479}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":237,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":499}'\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":257,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":519}'\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":290,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":552}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":345,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":607}'\u003eIdeal for ChemStar pumps with high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels, reduce vibration, and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":440,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":702}'\u003eKeep your Welch 1402N ChemStar vacuum pump running at peak efficiency with authentic Welch parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":495,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":757}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":495,\"w\":195,\"h\":19,\"abs_x\":621,\"abs_y\":757}'\u003eNeed assistance or other kits?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":248,\"y\":495,\"w\":177,\"h\":19,\"abs_x\":857,\"abs_y\":757}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":248,\"y\":495,\"w\":177,\"h\":19,\"abs_x\":857,\"abs_y\":757}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":12,\"y\":495,\"w\":526,\"h\":38,\"abs_x\":621,\"abs_y\":757}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1164951924,"sku":null,"price":825.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402k-10-chemstar-major-repair-kit-for-1402n-vacuum-pump-17008033888.png?v=1779796785"},{"product_id":"welch-8890k-02-minor-repair-kit-for-8890-vacuum-pump","title":"Welch 8890K-02, MINOR REPAIR KIT, for 8890 Vacuum Pump","description":"\u003cp\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188132676,"sku":"8890K-02","price":162.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8890k-02-minor-repair-kit-for-8890-vacuum-pump-25479266762901.jpg?v=1779796174"},{"product_id":"welch-8905k-02-minor-repair-kit-for-8905-vacuum-pump","title":"Welch 8905K-02, MINOR REPAIR KIT, for 8905 Vacuum Pump","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":71}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":64,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":126}'\u003ePlease click the following link to see exploded view repair kit for 8905 pump :\u003c\/p\u003e\n\u003ch2 bis_size='{\"x\":12,\"y\":100,\"w\":575,\"h\":29,\"abs_x\":621,\"abs_y\":162}'\u003e\n\u003cspan style=\"color: #08065e;\" bis_size='{\"x\":12,\"y\":100,\"w\":361,\"h\":28,\"abs_x\":621,\"abs_y\":162}'\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/8905_Service_Kit.pdf?v=1585255566\" title=\"Welch 8905K-02 minor repair kit, for 8905 vacuum pump\" rel=\"noopener noreferrer\" style=\"color: #08065e;\" bis_size='{\"x\":12,\"y\":100,\"w\":361,\"h\":28,\"abs_x\":621,\"abs_y\":162}' target=\"_blank\"\u003eWelch 8905K-02 minor repair kit.pdf\u003c\/a\u003e\u003c\/span\u003e \u003cbr bis_size='{\"x\":373,\"y\":100,\"w\":0,\"h\":28,\"abs_x\":982,\"abs_y\":162}'\u003e\n\u003c\/h2\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188147048,"sku":null,"price":244.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8905k-02-minor-repair-kit-for-8905-vacuum-pump-17335517280.jpg?v=1779796787"},{"product_id":"welch-8917k-04-minor-repair-kit-for-8917-8912-8907-vacuum-pumps","title":"Welch 8917K-04, MINOR REPAIR KIT, for 8917\/8912\/8907 Vacuum Pump","description":"\u003cp\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188181212,"sku":null,"price":335.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8917k-04-minor-repair-kit-for-8917-8912-8907-vacuum-pump-17335713888.jpg?v=1779797059"},{"product_id":"welch-8925k-02-minor-repair-kit-for-8925-vacuum-pump","title":"Welch 8925K-02, MINOR REPAIR KIT, for 8925 Vacuum Pump","description":"\u003cp\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188195404,"sku":null,"price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8925k-02-minor-repair-kit-for-8925-vacuum-pump-25479245529237.jpg?v=1779794317"},{"product_id":"welch-8915k-02-minor-repair-kit-for-8920-vacuum-pump","title":"Welch 8915K-02 MINOR REPAIR KIT, for 8920 Vacuum Pump","description":"\u003cp\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188200320,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8915k-02-minor-repair-kit-for-8920-vacuum-pump-17335844960.jpg?v=1779794314"},{"product_id":"welch-2047k-01-single-head-service-kit-for-2032-2042-2047-vacuum-pump","title":"Welch 2047K‐01 SINGLE HEAD SERVICE KIT, for 2032, 2042, 2047 Vacuum Pump","description":"\u003cp\u003eWelch 2047K‐01 SINGLE HEAD SERVICE KIT, for 2032, 2042, 2047 Vacuum Pump - Genuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003eIt strongly recommended to use the OEM \u003ca title=\"Welch Diaphragm Wrench 826801-16\" href=\"https:\/\/www.chemtechsci.com\/products\/welch-826801-16-wrench-for-welch-diaphragm\"\u003eWelch diaphragm wrench\u003c\/a\u003e when removing or installing this diaphragm.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188218972,"sku":"2047K-01","price":410.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2047k-01-single-head-service-kit-for-2032-2042-2047-vacuum-pump-25481345433749.jpg?v=1779797064"},{"product_id":"welch-2037k-01-single-head-service-kit-for-2034-2037-2044-vacuum-pump","title":"Welch 2037K‐01 SINGLE HEAD SERVICE KIT, for 2034, 2037, 2044 Vacuum Pump","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":298}'\u003eWelch 2037K‐01 SINGLE HEAD SERVICE KIT, for 2034, 2037, 2044 Vacuum Pump - Genuine Welch factory OEM repair kit. One head service kit includes 1 diaphragm, valves and o-rings.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":64,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":353}'\u003eIt strongly recommended to use the OEM \u003ca title=\"Welch Diaphragm Wrench 826801-16\" href=\"https:\/\/www.chemtechsci.com\/products\/welch-826801-16-wrench-for-welch-diaphragm\" bis_size='{\"x\":271,\"y\":64,\"w\":157,\"h\":19,\"abs_x\":880,\"abs_y\":353}'\u003eWelch diaphragm wrench\u003c\/a\u003e when removing or installing this diaphragm.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":119,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":408}'\u003ePlease contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":155,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":444}'\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188234768,"sku":"2037K-01","price":449.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2037k-01-single-head-service-kit-for-2034-2037-2044-vacuum-pump-17337450592.jpg?v=1779794315"},{"product_id":"welch-2025k-06-tubing-service-kit-2025-s-n-ec091300","title":"Welch 2025K-06, TUBING SERVICE KIT 2025  S\/N \u003eEC091300","description":"\u003cp\u003eWelch 2025K-06 TUBING SERVICE KIT, for 2025\/ 2026\/ 2027\/ 2028 Vacuum Pump - Genuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188248908,"sku":"2025K-06","price":279.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2025k-06-tubing-service-kit-2025-s-n-ec091300-17338007648.jpg?v=1779794324"},{"product_id":"welch-402042-us-service-kit-for-2054-2052-4-head-vacuum-pump","title":"Welch 402042‐US SERVICE KIT, for 2054\/2052(4‐head) Vacuum Pump","description":"\u003cp\u003eWelch 402042‐US SERVICE KIT, for Welch 2052\/2054 and Welch MPC 601T (4‐head) Vacuum Pump - Complete diaphragm, valve and o-ring replacement kit\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12.0pt; font-weight: normal;\"\u003eTools required (NOT INCLUDED WITH THIS KIT) \u003ca title=\"Welch 826801 Spanner Wrench\" href=\"https:\/\/www.chemtechsci.com\/products\/welch-826801\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWelch 826801 Spanner Wrench\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAdjustable spanner wrench for Welch Ilmvac Diaphragm washer, use to repair All Welch 4 head and 8 head PTFE Diaphragm Vacuum Pumps.\u003cbr\u003ePumps also require 4mm Allen wrench and 17mm wrench to complete repairs (NOT included)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188262904,"sku":"Welch 402042‐US","price":552.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-402042-us-service-kit-for-2054-2052-4-head-vacuum-pump-25466545340565.jpg?v=1779796789"},{"product_id":"welch-402043-us-service-kit-for-2064-2067-2062-2163-8-head-vacuum-pump","title":"Welch 402043‐US SERVICE KIT, for 2064\/2067\/2062\/2163 (8‐head) Vacuum Pump","description":"\u003cp\u003eWelch 402043‐US SERVICE KIT, for 2064\/2067\/2062\/2163 (8‐head) Vacuum Pump - Complete diaphragm, valve and o-ring replacement kit\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188266612,"sku":"402043‐US","price":1113.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-402043-us-service-kit-for-2064-2067-2062-2163-8-head-vacuum-pump-17338663008.jpg?v=1779796211"},{"product_id":"welch-2522k-03-service-kit-for-2522-vacuum-pump","title":"Welch 2522K-03, SERVICE KIT FOR 2522","description":"\u003cp\u003eWelch 2522K-03 is the comprehensive repair kit for the Welch 2522 model vacuum pump.\u003c\/p\u003e\n\u003cp\u003eThe Welch 2522 model vacuum pump is usually in-house serviceable using this comprehensive repair kit. \u003c\/p\u003e\n\u003cp\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188275780,"sku":"2522K-03","price":251.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2522k-03-service-kit-for-2522-24603864400021.png?v=1779797070"},{"product_id":"welch-2534k-03-service-kit-for-2534-vacuum-pump","title":"Welch 2534K-03, SERVICE KIT, for 2534 Vacuum Pump","description":"\u003cp\u003eWelch 2534K-03 SERVICE KIT- Genuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188279204,"sku":null,"price":251.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2534k-03-service-kit-for-2534-vacuum-pump-25479522254997.jpg?v=1779796792"},{"product_id":"welch-2522k-04-seal-service-kit-2522-34-45","title":"Welch 2522K-04, SEAL SERVICE KIT 2522,34,45","description":"\u003cp\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1188286412,"sku":"2522K-04","price":143.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2522k-04-seal-service-kit-2522-34-45-25479551123605.jpg?v=1779794339"},{"product_id":"welch-1371a-01-belt-guard-base-kit","title":"Welch 1371A-01, Belt Guard \u0026 Base Kit","description":"\u003cp\u003eWelch 1371A-01 Belt Guard \u0026amp; Base Kit - BELT GRD \u0026amp; BASE KIT FOR 1402, 1376, 1380\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925904,"sku":null,"price":777.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1371a-01-belt-guard-base-kit-17538547808.png?v=1779794335"},{"product_id":"welch-1371e-belt-guard-base-kit","title":"Welch 1371E, Belt Guard \u0026 Base Kit","description":"\u003cp\u003eBLT GRD\u0026amp;BASE KIT 1392\/1400-10\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925912,"sku":null,"price":666.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1371e-belt-guard-base-kit-17538580576.png?v=1779796646"},{"product_id":"welch-1371f-belt-guard-and-base-kit-1374-1397","title":"Welch 1371F, Belt Guard and Base Kit 1374\/1397","description":"\u003cp\u003eBELT GRD and BASE KIT 1374\/1397\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925916,"sku":null,"price":753.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1371f-belt-guard-and-base-kit-1374-1397-25494108438677.jpg?v=1779794336"},{"product_id":"welch-1373k-05-minor-repair-kit-for-crr1-1373","title":"Welch 1373K-05, Minor Repair Kit for CRR1 \u0026 1373","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1373K-05 Minor Repair Kit is a genuine OEM maintenance kit designed for the Welch 1373 and CRR1 rotary vane vacuum pumps. This kit provides essential components for routine minor repairs and preventive maintenance, helping restore performance and extend pump life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":36,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eNote:\u003c\/strong\u003e This minor kit does \u003cstrong bis_size='{\"x\":173,\"y\":103,\"w\":22,\"h\":19,\"abs_x\":782,\"abs_y\":365}'\u003enot\u003c\/strong\u003e include vanes (blades). Vanes are only included in the Major Repair Kit.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":159,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":421}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":194,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":456}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":194,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":456}'\u003eValve springs\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":214,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":476}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":233,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":495}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":253,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":515}'\u003eNecessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":287,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":549}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":342,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":604}'\u003eIdeal for pumps showing early signs of wear or after 4,000–6,000 hours of operation. Regular use of the 1373K-05 Minor Repair Kit helps maintain optimal vacuum levels, reduces noise and vibration, and prevents more costly major repairs.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":417,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":679}'\u003eKeep your Welch 1373 and CRR1 vacuum pumps running efficiently with authentic parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":472,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":734}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":472,\"w\":251,\"h\":19,\"abs_x\":621,\"abs_y\":734}'\u003eNeed a Major Repair Kit or assistance?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":303,\"y\":472,\"w\":177,\"h\":19,\"abs_x\":912,\"abs_y\":734}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":303,\"y\":472,\"w\":177,\"h\":19,\"abs_x\":912,\"abs_y\":734}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":12,\"y\":472,\"w\":552,\"h\":38,\"abs_x\":621,\"abs_y\":734}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925920,"sku":null,"price":561.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1373k-05-minor-repair-kit-for-crr1-1373-17538646112.png?v=1779794335"},{"product_id":"welch-1373k-06-major-repair-kit-crr-1-1373","title":"Welch 1373K-06 MAJOR REPAIR KIT CRR-1 \u0026 1373","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1373K-06 Major Repair Kit is a complete overhaul kit designed for the Welch 1373 and CRR-1 rotary vane vacuum pumps. This high-quality kit includes all major components needed for a full rebuild, restoring your pump to like-new performance and significantly extending its service life.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":103,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":84,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":139,\"w\":575,\"h\":117,\"abs_x\":621,\"abs_y\":401}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":139,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":401}'\u003eVanes (blades)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":159,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":421}'\u003eValve springs and retainers\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":178,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":440}'\u003eGaskets and O-rings\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":198,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":460}'\u003eShaft seals\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":217,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":479}'\u003eBearings (where applicable)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":237,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":499}'\u003eAll necessary hardware and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":271,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":533}'\u003eGenuine Welch factory OEM repair kit. Please contact your Chemtech Scientific Vacuum Pump Expert for individual parts.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":326,\"w\":575,\"h\":58,\"abs_x\":621,\"abs_y\":588}'\u003eIdeal for pumps with high operating hours, reduced vacuum performance, increased noise, or oil leaks. Recommended after 8,000–12,000 hours of use. Regular major repairs help maintain optimal vacuum levels, reduce vibration, and prevent costly downtime.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":401,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":663}'\u003eKeep your Welch 1373 and CRR-1 vacuum pumps running at peak efficiency with authentic Welch parts from Chemtech Scientific.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":456,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":718}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":456,\"w\":153,\"h\":19,\"abs_x\":621,\"abs_y\":718}'\u003eNeed repair assistance?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":205,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":814,\"abs_y\":718}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":205,\"y\":456,\"w\":177,\"h\":19,\"abs_x\":814,\"abs_y\":718}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":428,\"y\":456,\"w\":100,\"h\":19,\"abs_x\":1037,\"abs_y\":718}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925924,"sku":null,"price":744.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1373k-06-major-repair-kit-crr-1-1373-17538678880.png?v=1779796646"},{"product_id":"welch-1374a-belt-kit-for-1374-vacuum-pump","title":"Welch 1374A, Belt Kit for 1374 Vacuum Pump","description":"\u003cp\u003eBELT KIT FOR 1374 PUMP\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925928,"sku":null,"price":77.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1374a-belt-kit-for-1374-vacuum-pump-25494089203861.jpg?v=1779796178"},{"product_id":"welch-1397a-v-belt-kit-for-1397","title":"Welch 1397A, V-BELT KIT FOR 1397","description":"\u003cp\u003eV-BELT KIT FOR 1397\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925984,"sku":null,"price":132.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397a-v-belt-kit-for-1397-25489773396117.jpg?v=1779793646"},{"product_id":"welch-1399a-v-belt-for-1399","title":"Welch 1399A, V-BELT FOR 1399","description":"\u003cp\u003eV-BELT FOR 1399\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207925988,"sku":null,"price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399a-v-belt-for-1399-25489746362517.jpg?v=1779796791"},{"product_id":"welch-1401e-01-kit-seal","title":"Welch 1401E-01, Kit Seal","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eLipseal kit for 1399, 1400\u003c\/span\u003e\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926008,"sku":null,"price":153.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1401e-01-kit-seal-17539301472.png?v=1779793662"},{"product_id":"welch-1402k-46-minor-repair-kit-for-1402b-46-vacuum-pump","title":"Welch 1402K-46 Minor Repair Kit for 1402B-46 Vacuum Pump","description":"\u003cp\u003eMINOR REPAIR KIT, FOR 1402B-46\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926024,"sku":null,"price":384.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402k-46-minor-repair-kit-for-1402b-46-vacuum-pump-17539367008.png?v=1779797070"},{"product_id":"welch-1402k-47-major-repair-kit-for-1402b-46-vacuum-pump","title":"Welch 1402K-47 Major Repair Kit for 1402B-46 Vacuum Pump","description":"\u003cp\u003eMAJOR REPAIR KIT, FOR 1402B-46\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926028,"sku":null,"price":773.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402k-47-major-repair-kit-for-1402b-46-vacuum-pump-17539399776.png?v=1779797078"},{"product_id":"welch-141601-duoseal-gas-ballast-adapter-kit","title":"Welch 141601, DUOSEAL GAS BALLAST ADAPTER KIT","description":"\u003cp\u003eDUOSEAL GAS BALLAST ADAPTER KT\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926092,"sku":null,"price":159.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-141601-duoseal-gas-ballast-adapter-kit-17539825760.png?v=1779793663"},{"product_id":"welch-1421","title":"Welch 1421","description":"\u003cp\u003eVACUUM REGULATOR KIT, GEM PUMP\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926292,"sku":null,"price":347.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1421-17540808800.png?v=1779796219"},{"product_id":"welch-1421k-oil-return-regulator-kit","title":"Welch 1421K, OIL RETURN\/REGULATOR KIT","description":"\u003cp\u003eOIL RETURN\/REGULATOR KIT\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926316,"sku":null,"price":666.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1421k-oil-return-regulator-kit-17540972640.png?v=1779796795"},{"product_id":"welch-1426k-01","title":"Welch 1426K-01","description":"\u003cp\u003eSERVICE KIT - WELCH GELMASTER\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926332,"sku":null,"price":240.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1426k-01-17541038176.png?v=1779796187"},{"product_id":"welch-1475k-20","title":"Welch 1475K-20","description":"\u003cp\u003eAsp Acc, autoclaveable collection receiver kit\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1207926396,"sku":null,"price":233.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1475k-20-25487551856789.jpg?v=1779797094"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/collections\/welch-repair-kits-8479823.png?v=1773507830","url":"https:\/\/www.chemtechsci.com\/collections\/welch-repair-kits.oembed?page=11","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}