{"title":"Backflow Devices - Febco - DCVA - Double Check Valve Assemblies - 1\" - 850 Series","description":null,"products":[{"product_id":"1-lf850u-qt-dc","title":"1 LF850U-QT DC","description":"\u003cp\u003eThis 1 inch Lead Free Double Check Valve Backflow Preventer Assembly is designed to prevent the backflow of polluted water into the potable water supply due to backsiphonage 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, conforming to national plumbing codes and water authority requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e body construction from cast copper silicon alloy.\u003c\/li\u003e\n\u003cli\u003eCompact \u003cstrong\u003emodular design\u003c\/strong\u003e facilitates maintenance with a single access cover for in-line repairs.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003eunion end connections\u003c\/strong\u003e for easy installation.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003equarter-turn ball valve shutoffs\u003c\/strong\u003e for reliable operation.\u003c\/li\u003e\n\u003cli\u003eFeatures two in-line independent, \u003cstrong\u003epositive seating check modules\u003c\/strong\u003e with captured springs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable seats and seat discs\u003c\/strong\u003e allow for simplified servicing.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003etop-mounted test cocks\u003c\/strong\u003e for convenient testing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e A freeze sensor (if installed as an add-on) solely provides an alert about a possible freeze event and cannot prevent freezing. User action is required to prevent freeze conditions from causing product and\/or property damage. The sensor is installed on the assembly exterior and does not alter assembly functions or certifications.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796672454933,"sku":"0122965","price":647.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/178396.jpg?v=1772726185"},{"product_id":"1-850u-qt-fz-dc","title":"1 850U-QT-FZ DC","description":"\u003cp\u003eThis \u003cstrong\u003e1 inch small diameter double check valve backflow preventer assembly\u003c\/strong\u003e is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and\/or backpressure, in accordance with national plumbing codes and water authority requirements.\u003c\/p\u003e\u003cp\u003eIts 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 and for contaminants at the service line entrance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBronze body\u003c\/strong\u003e construction for durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnion end connections\u003c\/strong\u003e for easy installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter turn ball valve shutoffs\u003c\/strong\u003e for reliable control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop mounted test cocks\u003c\/strong\u003e for simplified testing.\u003c\/li\u003e\n\u003cli\u003eTwo in-line independent \u003cstrong\u003epositive seating check modules\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaptured springs\u003c\/strong\u003e and \u003cstrong\u003ereplaceable check discs and seats\u003c\/strong\u003e for easy maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFreeze Sensor \u0026amp; Alerts\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003efreeze sensor\u003c\/strong\u003e for use with \u003cstrong\u003eSentryPlus Alert® technology\u003c\/strong\u003e to signal facility personnel when temperature nears and reaches the freezing point.\u003c\/li\u003e\n\u003cli\u003eFreeze alerts feature available with an add-on connection kit (sold separately) for \u003cstrong\u003eWi-Fi networks\u003c\/strong\u003e, \u003cstrong\u003ebuilding management systems (BMS)\u003c\/strong\u003e, and \u003cstrong\u003eirrigation management systems (IMS)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe freeze sensor is installed on the assembly exterior and does not alter assembly functions or certifications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Before installing, consult your local water authority, building, and plumbing codes.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e The freeze sensor solely provides alerts about a possible freeze event and cannot prevent a freeze event from occurring. User action is required to prevent freeze conditions from causing product and\/or property damage.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796812407061,"sku":"T2613","price":544.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185246.jpg?v=1773078058"},{"product_id":"1-850-qt-fz-dc","title":"1 850-QT-FZ DC","description":"\u003cp\u003eThis \u003cstrong\u003eFEBCO Series 850 Small Double Check Valve Assembly\u003c\/strong\u003e is a \u003cstrong\u003e1 inch backflow preventer\u003c\/strong\u003e designed to protect drinking water supplies from dangerous cross-connections in non-health hazard applications such as irrigation, fire lines, or industrial processing. Its compact modular design allows for easy maintenance with a single access cover for in-line repairs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFreeze Sensor Technology\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003efreeze sensor\u003c\/strong\u003e for use with \u003cstrong\u003eSentryPlus Alert® technology\u003c\/strong\u003e to monitor temperature and alert facility personnel when conditions approach and reach the freezing point.\u003c\/li\u003e\n\u003cli\u003eThe sensor is installed on the assembly exterior and does not alter assembly functions or certifications.\u003c\/li\u003e\n\u003cli\u003eAn \u003cstrong\u003eadd-on connection kit (sold separately)\u003c\/strong\u003e is required to activate the freeze sensor for communication with Wi-Fi networks, building management systems (BMS), or irrigation management systems (IMS). Without this kit, the sensor is a passive component.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll bronze body\u003c\/strong\u003e construction for durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact modular design\u003c\/strong\u003e for easy maintenance and in-line repairs.\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003equarter-turn ball valve shutoffs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes two \u003cstrong\u003eindependently operating, spring-loaded check valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable check discs and seats\u003c\/strong\u003e for extended service life.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eNPT end connections\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product is illegal to use in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Always consult your local water authority, building, and plumbing codes before installation. The freeze sensor provides alerts only and cannot prevent freeze events; user action is required to prevent damage.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796817453333,"sku":"T1113","price":468.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185237.jpg?v=1773075607"},{"product_id":"1-lf850-qt-fz-dc","title":"1 LF850-QT-FZ DC","description":"\u003cp\u003eThis \u003cstrong\u003e1 inch Lead Free Double Check Valve Backflow Preventer Assembly\u003c\/strong\u003e is designed for non-health hazard applications, protecting the potable water supply from polluted water due to backsiphonage or backpressure. It features a compact modular design for easy in-line maintenance with a single access cover.\u003c\/p\u003e\u003cp\u003eThe assembly includes a \u003cstrong\u003efreeze sensor\u003c\/strong\u003e with SentryPlus Alert® technology to monitor temperature and alert facility personnel when freeze conditions could cause equipment damage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e cast copper silicon alloy body construction to comply with lead-free installation requirements\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003efreeze sensor\u003c\/strong\u003e to monitor temperature and provide alerts for low and freezing conditions\u003c\/li\u003e\n\u003cli\u003eCompact modular design facilitates easy in-line maintenance with a single access cover\u003c\/li\u003e\n\u003cli\u003eTwo in-line independent \u003cstrong\u003epositive seating check modules\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReplaceable seats and seat discs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-mounted test cocks\u003c\/strong\u003e for easy testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNPT end connections\u003c\/strong\u003e (ANSI\/ASME B1.20.1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-turn ball valve shutoffs\u003c\/strong\u003e for reliable operation\u003c\/li\u003e\n\u003cli\u003eAvailable freeze sensor connection kit to activate a monitoring system that triggers alerts for low and freezing temperatures via Wi-Fi, BMS, or irrigation management systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e The freeze sensor provides alerts about a possible freeze event but cannot prevent it from occurring. User action is required to prevent freeze conditions from causing product and\/or property damage. An add-on connection kit (sold separately) is required to activate the freeze sensor; without it, the sensor is a passive component and does not communicate with any other device.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796827742485,"sku":"T683040","price":550.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185254.jpg?v=1773078276"},{"product_id":"febco-1-lf850-qt-bronze-double-check-valve-assembly-lead-free-quarter-turn-shutoff-small-diameter-36455","title":"Febco 1\" LF850-QT Bronze Double Check Valve Assembly, Lead-Free, Quarter Turn Shutoff, Small Diameter","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164272365845,"sku":"0683040","price":550.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193362.jpg?v=1789501023"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-febco-dcva-double-check-valve-assemblies-1-850-series.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}