{"title":"Watts 919 Backflow Repair Parts \u0026 Kits","description":"\u003cp\u003eRepair kits, check assemblies and relief-valve parts for Watts 919 backflow preventers from 3\/4\"–2\". Every part below is matched to the device by brand, size and model. Covers the 919 and LF919.\u003c\/p\u003e\u003cp\u003eNot sure whether a kit fits your 919 or LF919? \u003ca href=\"\/pages\/contact\"\u003eAsk us\u003c\/a\u003e with the size from the tag and we’ll check it.\u003c\/p\u003e","products":[{"product_id":"watts-3-4-919-1st-check-assembly","title":"Watts 3\/4\" 919 1st Check Assembly","description":"\u003cp\u003eSwap out the first check on a 3\/4 inch Watts 919 or LF919 with first check assembly 888111.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438943961410,"sku":"888111","price":105.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_57dfc4c0-2ee6-450f-8b06-ae26f929c52c.jpg?v=1761262443"},{"product_id":"watts-1-919-1st-check-assembly","title":"Watts 1\" 919 1st Check Assembly","description":"\u003cp\u003eWatts 888112, the 1 inch first check assembly for the 919 and LF919.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438943994178,"sku":"888112","price":105.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_20c65c03-a01b-419e-a8df-2ad179880a71.jpg?v=1761262444"},{"product_id":"watts-1-1-4-1-1-2-919-1st-check-assembly","title":"Watts 1 1\/4\"-1 1\/2\" 919 1st Check Assembly","description":"\u003cp\u003eWatts 888113 is the first check assembly for 1 1\/4 and 1 1\/2 inch 919 and LF919 assemblies, the complete first check module.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438944026946,"sku":"888113","price":194.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_9106ee8e-e9ca-492a-9342-9dd87410c3e7.jpg?v=1761262445"},{"product_id":"watts-2-919-1st-check-assembly","title":"Watts 2\" 919 1st Check Assembly","description":"\u003cp\u003eThis first check assembly fits 2 inch Watts 919 and LF919 reduced pressure assemblies; Watts part number 888114.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438944059714,"sku":"888114","price":206.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/backflow_depot_repair_parts_888114.jpg?v=1790882365"},{"product_id":"watts-3-4-919-2nd-check-assembly","title":"Watts 3\/4\" 919 2nd Check Assembly","description":"\u003cp\u003eFor the 3\/4 inch Watts 919 and LF919, this is the second check assembly, Watts part number 888116.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438944125250,"sku":"888116","price":97.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/550021E0-59F9-4E19-946B-9F57D18B3CE8.jpg?v=1783632814"},{"product_id":"watts-3-4-919-1st-or-2nd-check-rubber-rebuild","title":"Watts 3\/4\" 919 1st or 2nd Check Rubber Rebuild","description":"\u003cp\u003eOne rubber kit serves either the first or second check on the 3\/4 inch Watts 919 and LF919. Watts part number 888121.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438944289090,"sku":"888121","price":22.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_e8f085d9-752f-4312-bd3d-fcfb5ab00cf7.jpg?v=1761262454"},{"product_id":"watts-3-4-1-919-relief-valve-rubber-rebuild","title":"Watts 3\/4\"-1\" 919 Relief Valve Rubber Rebuild","description":"\u003cp\u003eRelief valve rubber kit for 3\/4 and 1 inch Watts 919 and LF919 assemblies, Watts part 888136.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438944846146,"sku":"888136","price":80.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_1be94b04-2413-4fd9-92b3-4d3f8b740c1a.jpg?v=1761262468"},{"product_id":"watts-3-4-919-complete-rubber-rebuild","title":"Watts 3\/4\" 919 Complete Rubber Rebuild","description":"\u003cp\u003eWatts 888141 has the full set of rubber for the 3\/4 inch 919 and LF919: both check discs, a relief valve diaphragm, relief valve disc and O-rings.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438945042754,"sku":"888141","price":113.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_dee49134-2128-43e1-92e0-debefbce0715.jpg?v=1761262471"},{"product_id":"watts-1-919-complete-rubber-rebuild","title":"Watts 1\" 919 Complete Rubber Rebuild","description":"\u003cp\u003eFor the 1 inch Watts 919 and LF919 reduced pressure assembly, kit 888142 replaces all the rubber: both check discs, the relief valve diaphragm and disc, and the O-rings.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438945075522,"sku":"888142","price":117.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_f72043e2-8018-456e-836a-b061092887a6.jpg?v=1761262473"},{"product_id":"watts-1-1-4-1-1-2-919-complete-rubber-rebuild","title":"Watts 1 1\/4\"-1 1\/2\" 919 Complete Rubber Rebuild","description":"\u003cp\u003eWatts 888143 is the complete rubber rebuild for the 1 1\/4 and 1 1\/2 inch 919 and LF919 reduced pressure assembly, with both check discs, the relief valve diaphragm and disc, and O-rings.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438945108290,"sku":"888143","price":143.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_70be3eed-3959-4b38-a629-c01890ffc7c9.jpg?v=1761262474"},{"product_id":"watts-2-919-complete-rubber-rebuild","title":"Watts 2\" 919 Complete Rubber Rebuild","description":"\u003cp\u003eAll the rubber for a 2 inch Watts 919 or LF919, part 888144: both check discs, the relief valve diaphragm and disc, plus O-rings.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438945141058,"sku":"888144","price":149.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_693fb784-78c9-4604-812c-1a042f488531.jpg?v=1761262475"},{"product_id":"watts-3-4-1-919-relief-valve-seat","title":"Watts 3\/4\"-1\" 919 Relief Valve Seat","description":"\u003cp\u003eWatts 888151 relief valve seat, for the 919 and LF919 in 3\/4 and 1 inch.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":51438945206594,"sku":"888151","price":24.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/download_857303f0-caa8-491a-b71e-8610b81fa9c5.jpg?v=1761262476"},{"product_id":"watts-0-75-lf919","title":"3\/4\" WATTS LF919","description":"\u003cp\u003eThe 3\/4 inch Watts LF919 is a reduced pressure assembly for potable-water service, part number 919LF-7. The model is listed with a bronze body; Watts specifies it as a lead-free cast copper silicon alloy. Inside are two poppet-style checks with replaceable seats and an intermediate relief valve. The checks and the relief valve each have their own access cover, the relief valve is bottom mounted, and the test cocks are on top. Watts rates the LF919 for a 175 psi maximum working pressure.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":55941960335682,"sku":"919LF-7","price":775.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9676\/6786\/files\/watts-lf919qt-3-4in.jpg?v=1791487002"}],"url":"https:\/\/shop.thebackflowdepot.com\/collections\/watts-919-backflow-repair-parts.oembed","provider":"The Backflow Depot","version":"1.0","type":"link"}