{"product_id":"watts-lf709-dosy-4-part-of-the-lf709-series","title":"Watts LF709-DOSY 4 - Part of the LF709 Series","description":"\u003cp\u003eThis 4 inch lead free double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards. This assembly consists of an fused epoxy coated cast iron body, domestic outside stem and yoke resilient seated gate valves, top mounted test cocks, two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats. The coating on this backflow assembly uses ArmorTek\u003csup\u003e®\u003c\/sup\u003e, a patented 3-part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion.\u003c\/p\u003e\n\n\u003cstrong\u003eFeatures\u003c\/strong\u003e\n\u003cul\u003e\n                        \u003cli\u003eUtilizes advanced ArmorTek coating technology to resist corrosion of internals\u003c\/li\u003e\n                        \u003cli\u003eCast iron body construction with patented 3-part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion\u003c\/li\u003e\n                        \u003cli\u003eDomestic outside stem and yoke gate valves\u003c\/li\u003e\n                        \u003cli\u003eMaximum flow at low pressure drop\u003c\/li\u003e\n                        \u003cli\u003eNo special tools required for servicing\u003c\/li\u003e\n            \u003c\/ul\u003e\n\u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth colspan=\"2\" style=\"text-align: left;\"\u003eSpecifications\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n            \u003ctbody\u003e\n\u003ctr\u003e\n                \u003ctd\u003eArmorTek Technology\u003c\/td\u003e\n                \u003ctd\u003eYes\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBackflow Preventer Type\u003c\/td\u003e\n                \u003ctd\u003eDouble Check Valve Assembly\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBody Finish\u003c\/td\u003e\n                \u003ctd\u003eEpoxy Coated Using ArmorTek Technology\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBody Material\u003c\/td\u003e\n                \u003ctd\u003eCast Iron\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBody Pattern\u003c\/td\u003e\n                \u003ctd\u003eInline\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBrand\u003c\/td\u003e\n                \u003ctd\u003eWatts\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBuy American Act Compliant\u003c\/td\u003e\n                \u003ctd\u003eNO\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eBypass\u003c\/td\u003e\n                \u003ctd\u003eNo\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eCap And Tether\u003c\/td\u003e\n                \u003ctd\u003eNo\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eEAN\u003c\/td\u003e\n                \u003ctd\u003e098268437508\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eElbow Fitting\u003c\/td\u003e\n                \u003ctd\u003eNo\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHazard Protection Level\u003c\/td\u003e\n                \u003ctd\u003eNon Health Hazard\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHot And Harsh Water\u003c\/td\u003e\n                \u003ctd\u003eNo\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHydrant Connection\u003c\/td\u003e\n                \u003ctd\u003eNo\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eInlet Connection Size\u003c\/td\u003e\n                \u003ctd\u003e4 IN\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eInlet Connection Type\u003c\/td\u003e\n                \u003ctd\u003eFlanged Joint\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eInlet Shutoff Valve Type\u003c\/td\u003e\n                \u003ctd\u003eOutside Stem And Yoke Gate Valve\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eInlet Thread Type\u003c\/td\u003e\n                \u003ctd\u003eDoes Not Apply To Product\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eLead Free\u003c\/td\u003e\n                \u003ctd\u003eYES\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMaximum Temperature-Fahrenheit\u003c\/td\u003e\n                \u003ctd\u003e110\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMaximum Working Pressure-BAR\u003c\/td\u003e\n                \u003ctd\u003e12.10\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMaximum Working Pressure-PSI\u003c\/td\u003e\n                \u003ctd\u003e175\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMeter Type\u003c\/td\u003e\n                \u003ctd\u003eNo Meter\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMinimum Temperature - Celsius\u003c\/td\u003e\n                \u003ctd\u003e0.50\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMinimum Temperature-Fahrenheit\u003c\/td\u003e\n                \u003ctd\u003e33\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eOutlet Connection Size\u003c\/td\u003e\n                \u003ctd\u003e4 IN\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eOutlet Connection Type\u003c\/td\u003e\n                \u003ctd\u003eFlanged Joint\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eOutlet Shutoff Valve Type\u003c\/td\u003e\n                \u003ctd\u003eOutside Stem And Yoke Gate Valve\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eOutlet Thread Type\u003c\/td\u003e\n                \u003ctd\u003eDoes Not Apply To Product\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003ePart Number\u003c\/td\u003e\n                \u003ctd\u003e\u003cspan class=\"highlight\"\u003e\u003cspan class=\"highlight\"\u003e0792168\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003ePolymer Coating\u003c\/td\u003e\n                \u003ctd\u003eNo\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003ePressure Operation\u003c\/td\u003e\n                \u003ctd\u003eContinuous\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eProtection Type\u003c\/td\u003e\n                \u003ctd\u003eBackpressure and Backsiphonage\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eSeat Material\u003c\/td\u003e\n                \u003ctd\u003eStainless Steel\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eSeries\u003c\/td\u003e\n                \u003ctd\u003eLF709\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eStrainer\u003c\/td\u003e\n                \u003ctd\u003eNo\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eTechnologies\u003c\/td\u003e\n                \u003ctd\u003eDoes Not Apply To Product\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eTradename\u003c\/td\u003e\n                \u003ctd\u003eArmorTek\u003c\/td\u003e\n            \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/media.mainlinematerials.com\/files\/es-lf709l-pdf.pdf\" target=\"_blank\"\u003eSpecification Sheet - LF709\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cb\u003eUPC\u003c\/b\u003e - 098268437508","brand":"Watts","offers":[{"title":"Default Title","offer_id":44887982178504,"sku":"792168","price":12931.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0172\/0762\/3734\/files\/639004218740000000_37e16483-6916-4be0-8ece-ff2a29be063c.jpg?v=1767129269","url":"https:\/\/www.mainlinematerials.com\/products\/watts-lf709-dosy-4-part-of-the-lf709-series","provider":"Mainline Materials","version":"1.0","type":"link"}