{"product_id":"1-lf767fr-pvb","title":"1 LF767FR PVB","description":"\u003cp\u003eThis \u003cstrong\u003e1 inch Lead Free freeze-resistant pressure vacuum breaker backflow preventer\u003c\/strong\u003e is designed to prevent the reverse flow of polluted water from entering the potable water supply due to backsiphonage.\u003c\/p\u003e\u003cp\u003eIt is ideal for continuous pressure health hazard applications, such as irrigation systems and industrial process water systems, particularly where exposure to sudden freezing conditions can occur.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFreeze Protection Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003eunique built-in relief valve\u003c\/strong\u003e that relieves pressure caused by ice formation, protecting the valve body and internal components during sudden freeze conditions.\u003c\/li\u003e\n\u003cli\u003eWater inside the PVB freezes from the outside-inward, and as ice forms and expands, the relief valve, built into the plastic float, automatically relieves pressure.\u003c\/li\u003e\n\u003cli\u003eThe relief valve is designed to be repeatable and automatically re-seats when pressure within the valve is below its set point, and will not discharge during normal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed with \u003cstrong\u003eLead Free* cast silicon copper alloy body\u003c\/strong\u003e and Lead Free* materials to comply with installation requirements.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003equarter-turn ball valve shutoffs\u003c\/strong\u003e featuring \u003cstrong\u003elever handles\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest cocks\u003c\/strong\u003e are positioned at the lowest point of the valve for easy testing and winterization draining.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eeasy maintenance\u003c\/strong\u003e of internal parts with no special tools required for servicing.\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003ecompact, space-saving design\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes a \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\u003eInternal parts are serviceable in-line from the top of the unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: The built-in relief valve is not designed to provide freeze protection for the entire irrigation system.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796666753301,"sku":"0683029","price":870.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/178339.jpg?v=1772726139","url":"https:\/\/www.backflowpreventer.com\/products\/1-lf767fr-pvb","provider":"Water Specialties Company","version":"1.0","type":"link"}