{"product_id":"watts-lf600-inline-check-valve","title":"Watts LF600 Inline Check Listing | ½, 1 \u0026 1½ Inch","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis listing identifies Watts LF600 inline check valves with ½-, 1- and 1½-inch options. The manufacturer describes the LF600 as a silent check family for general industrial and plumbing service, not a complete testable backflow-protection assembly.\u003c\/p\u003e\u003ch2\u003eOrdering \u0026amp; Application Checks\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMatch the full manufacturer ordering code and original nameplate, not a model-family name alone.\u003c\/li\u003e\n\u003cli\u003eConfirm the supplied end connections, orientation and included accessories.\u003c\/li\u003e\n\u003cli\u003eA component rating or approval does not certify the complete assembly or installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eListed Supplier SKU(s)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e12WILC, 1WILCLF, 112WILCLF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eListed Supplier Codes\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e12WILC, 1WILCLF and 112WILCLF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFamily Design\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eThreaded inline silent check; manufacturer family example uses a lead-free brass body and PTFE seat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eExact Code Cross-Reference\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot verified for these supplier aliases; confirm that the supplied items are LF600 rather than another Watts check family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWorking Pressure \/ Temperature\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eObtain size- and revision-specific ratings; do not transfer the linked 2-inch example limits automatically to every option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInstallation \/ Water Service\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eFamily examples allow horizontal or vertical installation; verify flow direction, exact lead-free markings and application suitability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSubmittal \u0026amp; Installation Note:\u003c\/strong\u003e Verify application suitability and local AHJ \/ water-authority requirements against the exact manufacturer submittal. Follow the matching isolation, depressurization, installation and testing procedures. In-line service access does not guarantee uninterrupted protected-line flow. Provide drainage and service clearance where required; no universal NFPA-compliance guarantee is implied.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.watts.com\/products\/plumbing-flow-control-solutions\/check-valves\/lf600\/lf600-2\"\u003eWatts LF600 2-inch family example, not exact listed-alias verification\u003c\/a\u003e\u003c\/p\u003e","brand":"Watts Regulator Co","offers":[{"title":"1\/2 in.","offer_id":46378200989944,"sku":"12WILC","price":149.99,"currency_code":"USD","in_stock":true},{"title":"1 in.","offer_id":46378201022712,"sku":"1WILCLF","price":349.99,"currency_code":"USD","in_stock":true},{"title":"1-1\/2 in.","offer_id":46378201055480,"sku":"112WILCLF","price":446.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/lf600-inline-check-valve-lf-482683.jpg?v=1775620799","url":"https:\/\/fireprotectionparts.net\/products\/watts-lf600-inline-check-valve","provider":"Fire Protection Parts","version":"1.0","type":"link"}