{"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","url":"https:\/\/www.chemtechsci.com\/products\/welch-1399k-04-major-repair-kit-for-1399-vacuum-pump","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}