{"title":"Backflow Devices - Watts - DCVA - Double Check Valve Assemblies - 8\"","description":null,"products":[{"product_id":"8-lf709-dosy","title":"8 LF709-DOSY","description":"\u003cp\u003eThis 8 inch Lead Free double check valve backflow preventer assembly is designed to prevent the reverse flow of polluted water from entering into the potable water system due to backsiphonage and\/or backpressure.\u003c\/p\u003e\u003cp\u003eIt is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDesign and Construction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003ecompact modular design\u003c\/strong\u003e that facilitates easy maintenance with a single access cover for in-line repairs.\u003c\/li\u003e\n\u003cli\u003eConsists of an \u003cstrong\u003eepoxy coated cast iron body\u003c\/strong\u003e, domestic outside stem and yoke (OSY) resilient seated gate valves, top mounted test cocks, two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats.\u003c\/li\u003e\n\u003cli\u003eThe coating on this backflow assembly utilizes \u003cstrong\u003eArmorTek®\u003c\/strong\u003e, a patented 3-part advanced epoxy coating system engineered to reduce both microbial-induced corrosion (MIC) and exposed metal substrate corrosion.\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003evertical flow up installation\u003c\/strong\u003e for sizes 4 inches to 10 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePerformance and Maintenance\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOffers \u003cstrong\u003emaximum flow at low pressure drop\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003ereplaceable stainless steel seats\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo special tools are required\u003c\/strong\u003e for servicing.\u003c\/li\u003e\n\u003cli\u003eComplies with Lead Free* installation requirements, with wetted surfaces containing less than 0.25% lead by weight.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796731928853,"sku":"0792170","price":39533.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180599.jpg?v=1772728008"},{"product_id":"8-774-osy-ts","title":"8 774-OSY-TS","description":"8 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":49796773642517,"sku":"88003125","price":19101.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182238.jpg?v=1772729338"},{"product_id":"8-lf709-qt-fda-iot","title":"8 LF709-QT-FDA-IOT","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796830396693,"sku":"88003403","price":47439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185069.jpg?v=1772742051"},{"product_id":"8-lf709-dnrs-iot","title":"8 LF709-DNRS-IOT","description":"\u003cp\u003eThis \u003cstrong\u003e8 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 potable water supply due to backsiphonage or backpressure. 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It is ideal for continuous pressure piping applications 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\u003enon-rising stem (NRS) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated \u003cstrong\u003estrainer\u003c\/strong\u003e and \u003cstrong\u003etest cocks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDesigned with a \u003cstrong\u003emodular check design\u003c\/strong\u003e and \u003cstrong\u003ecenter stem guide\u003c\/strong\u003e for easy maintenance, with captured springs accessible via a bolted cover plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmorTek® coating technology\u003c\/strong\u003e, a patented 3-part advanced epoxy system, helps limit microbial induced (MIC) and exposed metal substrate corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIntegrated Monitoring Capabilities\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eintegrated pressure-sensing test cocks\u003c\/strong\u003e that measure pressure fluctuations at three points.\u003c\/li\u003e\n\u003cli\u003eCompatible with an \u003cstrong\u003eadd-on monitoring connection kit\u003c\/strong\u003e (BMS\/DAS only) for collecting, converting, and transmitting data values to a building management system.\u003c\/li\u003e\n\u003cli\u003eFacilitates monitoring of assembly performance between code testing, helping to drive maintenance and repair scheduling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796837146901,"sku":"88003401","price":40647.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185068.jpg?v=1772742017"},{"product_id":"8-757-nrs-iot","title":"8 757-NRS-IOT","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796837998869,"sku":"88003419","price":13427.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/191120.jpg?v=1783348239"},{"product_id":"8-lf709-nrs-iot","title":"8 LF709-NRS-IOT","description":"\u003cp\u003eThe 8 inch Watts Series LF709-NRS-IOT \u003cstrong\u003eLead Free Double Check Valve Assembly\u003c\/strong\u003e is designed to prevent the reverse flow of polluted water into potable water systems. 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Without this kit, the sensors are passive components and will not communicate with other devices. 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