{"title":"Backflow Devices - Watts - DCVA - Double Check Valve Assemblies - 4\"","description":null,"products":[{"product_id":"4-lf709-dosy","title":"4 LF709-DOSY","description":"\u003cp\u003eThis \u003cstrong\u003e4 inch lead free double check valve backflow preventer assembly\u003c\/strong\u003e is designed to prevent the reverse flow of polluted water from entering into the \u003cstrong\u003epotable water supply\u003c\/strong\u003e due to backsiphonage and\/or backpressure.\u003c\/p\u003e\u003cp\u003eIt is ideal for protection in \u003cstrong\u003econtinuous pressure piping applications\u003c\/strong\u003e and at \u003cstrong\u003ecross-connections\u003c\/strong\u003e identified as \u003cstrong\u003enon-health hazards\u003c\/strong\u003e, where approved by the local authority having jurisdiction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact modular design\u003c\/strong\u003e facilitates easy maintenance with a single access cover for in-line repairs.\u003c\/li\u003e\n\u003cli\u003eProvides \u003cstrong\u003emaximum flow at low pressure drop\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003ereplaceable check discs and seats\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo special tools\u003c\/strong\u003e are required for servicing.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003ecaptured spring assemblies\u003c\/strong\u003e for safety.\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003evertical flow up installation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Materials\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed with an \u003cstrong\u003eepoxy coated cast iron body\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUtilizes \u003cstrong\u003eArmorTek® coating technology\u003c\/strong\u003e, a patented 3-part advanced epoxy system engineered to resist both \u003cstrong\u003emicrobial induced (MIC)\u003c\/strong\u003e and \u003cstrong\u003eexposed metal substrate corrosion\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003edomestic outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eContains \u003cstrong\u003etwo in-line independent positive seating check modules\u003c\/strong\u003e and \u003cstrong\u003etop mounted test cocks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe product is \u003cstrong\u003elead free\u003c\/strong\u003e, meaning the wetted surface contacted by consumable water contains less than 0.25% lead by weight.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796722557205,"sku":"0792168","price":11250.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180193.jpg?v=1772727671"},{"product_id":"4-774-osy-ts","title":"4 774-OSY-TS","description":"4 IN SS Double Check Valve Assembly Backflow Preventer, OSY Shutoffs, Tamper Switch, Short Lay Length","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796767645973,"sku":"88003123","price":6849.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/181994.jpg?v=1772729130"},{"product_id":"4-lf709-osy-nyc","title":"4 LF709-OSY NYC","description":"\u003cp\u003eThe \u003cstrong\u003eWatts LF709-OSY NYC 4 inch Lead Free Double Check Valve Backflow Preventer Assembly\u003c\/strong\u003e is designed to prevent the reverse flow of contaminated non-potable water into the potable water supply due to backsiphonage and\/or backpressure. 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It is ideal for protection in \u003cstrong\u003econtinuous pressure piping applications\u003c\/strong\u003e and cross-connections identified as non-health hazards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003efused epoxy coated cast iron body\u003c\/strong\u003e and \u003cstrong\u003eFDA epoxy coated quarter-turn ball valve shutoffs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe modular check design allows for \u003cstrong\u003eeasy maintenance\u003c\/strong\u003e with a center stem guide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaptured spring assemblies\u003c\/strong\u003e are accessible through a bolted cover plate for safety.\u003c\/li\u003e\n\u003cli\u003eUtilizes \u003cstrong\u003eArmorTek® coating technology\u003c\/strong\u003e, a patented 3-part advanced epoxy system, to resist \u003cstrong\u003emicrobial-induced corrosion (MIC)\u003c\/strong\u003e and protect exposed metal substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free* construction\u003c\/strong\u003e ensures the wetted surface contains less than 0.25% of lead by weight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSmart \u0026amp; Connected Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated pressure-sensing test cocks\u003c\/strong\u003e (No. 2, No. 3, No. 4) measure pressure fluctuations at three locations.\u003c\/li\u003e\n\u003cli\u003eAn \u003cstrong\u003eadd-on monitoring connection kit\u003c\/strong\u003e (sold separately) is required to activate sensors and transmit data to a \u003cstrong\u003eBuilding Management System (BMS\/BAS)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEnables monitoring and assessment of backflow assembly performance and the water supply system.\u003c\/li\u003e\n\u003cli\u003eProvides data to help drive the scheduling of maintenance and repair, offering a solution for monitoring assembly performance between code testing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable stainless steel seats\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eAchieves \u003cstrong\u003emaximum flow at low pressure drop\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo special tools required\u003c\/strong\u003e for servicing.\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003evertical flow up installation\u003c\/strong\u003e (for 4 inch to 10 inch with OSY gate valves only).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eInstallation requirements vary by local authority. 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