{"title":"Backflow Devices - Watts - PVB - Pressure Vacuum Breaker Assemblies - 2\" - 800 Series","description":null,"products":[{"product_id":"watts-2-lf800m4fr","title":"Watts 2\" LF800M4FR","description":"\u003cp\u003eThe Watts 2 inch LF800M4FR Freeze-Resistant Pressure Vacuum Breaker Backflow Preventer prevents backsiphonage of contaminated water into the potable water supply. This device is commonly used in continuous pressure applications such as lawn irrigation systems and industrial process water systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFreeze Protection Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a unique \u003cstrong\u003ebuilt-in relief valve\u003c\/strong\u003e that automatically relieves pressure caused by ice formation within the valve body and internal components.\u003c\/li\u003e\n\u003cli\u003eThe acetal bonnet acts as a \u003cstrong\u003e“freeze plug”\u003c\/strong\u003e to help prevent body damage.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003efreeze sensor\u003c\/strong\u003e connection kit (requires add-on kit, sold separately) to activate a monitoring system for low and freezing temperatures, with Wi-Fi alert capabilities.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eA WARNING: The freeze sensor solely provides alerts and cannot prevent a freeze event. User action is required to prevent freeze conditions from causing product and\/or property damage. The LF800M4FR is Freeze Resistant, NOT Freeze Proof; adequate drainage\/freeze protection must be provided in cold weather applications.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free* cast copper silicon alloy body\u003c\/strong\u003e (bronze) for durability.\u003c\/li\u003e\n\u003cli\u003eEasy maintenance with a \u003cstrong\u003ereplaceable plastic seat\u003c\/strong\u003e, accessible internal parts, and \u003cstrong\u003eno special tools required\u003c\/strong\u003e for servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone seat disc\u003c\/strong\u003e for durability and an \u003cstrong\u003eO-ring bonnet seal\u003c\/strong\u003e for less possibility of fouling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest cocks\u003c\/strong\u003e are positioned for easy testing and winterization.\u003c\/li\u003e\n\u003cli\u003eCompact, space-saving design with \u003cstrong\u003elever handle quarter-turn ball valve shutoffs\u003c\/strong\u003e on both inlet and outlet.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796715217173,"sku":"0792021","price":1772.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180025.jpg?v=1772727531"},{"product_id":"2-800m4fr-fz","title":"2 800M4FR-FZ","description":"\u003cp\u003eThe \u003cstrong\u003eWatts 800M4FR Freeze-Resistant Pressure Vacuum Breaker\u003c\/strong\u003e is a 2 inch backflow preventer designed to prevent backsiphonage of contaminated water into the potable water supply. It is ideal for continuous pressure health hazard applications, especially where sudden freezing conditions may occur, such as in irrigation systems and industrial process water systems.\u003c\/p\u003e\u003cp\u003eThis device features a \u003cstrong\u003ebronze body\u003c\/strong\u003e and a unique \u003cstrong\u003ebuilt-in relief valve\u003c\/strong\u003e that protects internal components and the body from freezing by relieving pressure caused by ice formation. The integrated freeze sensor works with \u003cstrong\u003eSentryPlus Alert® technology\u003c\/strong\u003e to notify personnel when temperatures approach freezing, requiring an add-on connection kit for full functionality.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eA WARNING: 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. Always consult local water authority, building, and plumbing codes before installation.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eA WARNING: The freeze sensor only provides alerts about possible freeze events 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\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in relief valve\u003c\/strong\u003e automatically relieves pressure caused by ice formation to protect internal components.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003efreeze sensor\u003c\/strong\u003e for use with \u003cstrong\u003eSentryPlus Alert® technology\u003c\/strong\u003e to signal low or freezing temperatures.\u003c\/li\u003e\n\u003cli\u003eCompatible with add-on connection kits for \u003cstrong\u003eWi-Fi networks\u003c\/strong\u003e, \u003cstrong\u003eBMS\u003c\/strong\u003e, and \u003cstrong\u003eIMS\u003c\/strong\u003e to provide freeze alerts.\u003c\/li\u003e\n\u003cli\u003eDurable \u003cstrong\u003ebronze body construction\u003c\/strong\u003e ensures longevity.\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003efemale NPT inlet and outlet\u003c\/strong\u003e with convenient \u003cstrong\u003elever handle quarter turn shutoffs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest cocks\u003c\/strong\u003e are positioned for easy testing and winterization draining.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eeasy maintenance\u003c\/strong\u003e of internal parts with accessible components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, space-saving design\u003c\/strong\u003e for versatile installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796838064405,"sku":"T388018","price":1347.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184278.jpg?v=1772731446"},{"product_id":"2-lf800m4-qt-fz","title":"2 LF800M4-QT-FZ","description":"\u003cp\u003eThis 2 inch \u003cstrong\u003elead free anti-siphon pressure vacuum breaker backflow preventer\u003c\/strong\u003e prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It is designed for health hazard continuous pressure applications, such as irrigation systems and industrial process water systems, where water enters equipment at or below its flood rim.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003elead free cast copper silicon alloy body\u003c\/strong\u003e, silicone rubber check valve disc, plastic check valve seat, and stainless steel springs.\u003c\/li\u003e\n\u003cli\u003eIncludes a bonnet with \u003cstrong\u003esilicone rubber O-ring seal\u003c\/strong\u003e, a lightweight plastic disc float, and \u003cstrong\u003elever handle shutoffs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003etest cocks\u003c\/strong\u003e for winterization draining and maintenance.\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003efemale NPT inlet and outlet\u003c\/strong\u003e connections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFreeze Sensor Technology\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThis model includes an integrated \u003cstrong\u003efreeze sensor\u003c\/strong\u003e for use with \u003cstrong\u003eSentryPlus Alert® technology\u003c\/strong\u003e to signal facility personnel when temperatures approach freezing.\u003c\/li\u003e\n\u003cli\u003eThe freeze sensor alerts can be integrated 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\u003e\u003cem\u003eA freeze sensor provides alerts about a possible freeze event but 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\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796841996565,"sku":"T792015","price":1596.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184371.jpg?v=1772731584"},{"product_id":"watts-2-800m4-qt-fz-anti-siphon-pressure-vacuum-breaker-quarter-turn-shutoff-lever-handles-freeze-sensor-35323","title":"Watts® 2\" 800M4-QT-FZ Anti-Siphon Pressure Vacuum Breaker, Quarter Turn Shutoff, Lever Handles, Freeze Sensor","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50124191564053,"sku":"T387122","price":1215.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/192792.jpg?v=1789052150"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-watts-pvb-pressure-vacuum-breaker-assemblies-2-800-series.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}