{"product_id":"zurn-wilkins-34-350-double-check-valve-assembly","title":"Wilkins 34-350 | Double Check Valve Assembly","description":"\u003cp\u003e\nThe Wilkins 34-350 is a double check valve assembly designed to protect potable water lines against backsiphonage and backpressure of polluted water.\n\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eKey Specifications:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eSize:\u003c\/strong\u003e\n    3\/4 Inches\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eMaximum Working Water Pressure:\u003c\/strong\u003e\n    175 PSI\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eMaximum Working Water Temperature:\u003c\/strong\u003e\n    180°F\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e\n    ASSE 1015, CSA B64.5, AWWA C510\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eEnd Connections:\u003c\/strong\u003e\n    Threaded ANSI B1.20.1\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eOther Related Variants:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e1-350:\u003c\/strong\u003e\n    1 Inch model size\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e114-350:\u003c\/strong\u003e\n    1 1\/4 Inch model size\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e112-350:\u003c\/strong\u003e\n    1 1\/2 Inch model size\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e2-350:\u003c\/strong\u003e\n    2 Inch model size\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eMaterials:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMain valve body: Cast Bronze, ASTM B 584 (3\/4-1\")\u003c\/li\u003e\n  \u003cli\u003eHousing: Reinforced Nylon\u003c\/li\u003e\n  \u003cli\u003eFasteners: Stainless Steel, 300 Series\u003c\/li\u003e\n  \u003cli\u003eElastomers: Silicone (FDA Approved)\u003c\/li\u003e\n  \u003cli\u003eElastomers: Buna Nitrile (FDA Approved)\u003c\/li\u003e\n  \u003cli\u003eInternals: Delrin, NSF Listed\u003c\/li\u003e\n  \u003cli\u003eSprings: Stainless Steel, 300 series\u003c\/li\u003e\n  \u003cli\u003eBall Valves: Cast Bronze, ASTM B 584\u003c\/li\u003e\n  \u003cli\u003eStruts: Stainless Steel, 300 Series\u003c\/li\u003e\n  \u003cli\u003eHandles: Stainless Steel, 300 Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTypical Installation:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"background: #f8f9fb; padding: 12px 14px; margin: 0; line-height: 1.7; color: #333;\"\u003e\nLocal codes shall govern installation requirements. To be installed in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 12\" (305mm) and a maximum of 30\" (762mm) above adequate drains with sufficient side clearance for testing and maintenance. If installed below grade, be certain adequate drainage is provided to prevent the device from being submerged.\n\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"background: #f8f9fb; border-left: 4px solid #1d85af; padding: 12px 14px; margin: 0; line-height: 1.7; color: #333;\"\u003e\nASSE Listed 1015; cUPC Listed; CSA Certified B64.5; AWWA Compliant C510; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California; UL Classified (less shut-off valves only); C-UL Classified (less shut-off valves only)\n\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eFeatures \u0026amp; Benefits:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackflow Protection:\u003c\/strong\u003e Protects against both backsiphonage and backpressure of polluted water into potable water supply where a potential health hazard does not exist.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e The Zurn 34-350 features reinforced nylon housing with cast bronze valve body and stainless steel components for long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e First and second checks are accessible for maintenance without removing the device from the line.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Installation:\u003c\/strong\u003e Suitable for indoor or outdoor installation with optional strainer and blow-off fittings for enhanced functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum working pressure and temperature for the Wilkins 34-350?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Zurn 34-350 is rated for a maximum working water pressure of 175 PSI and a maximum working water temperature of 180°F.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can the Wilkins 34-350 be installed both horizontally and vertically?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the assembly is certified for both horizontal and vertical installation according to ASSE 1015 and CSA B64.5 standards.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What accessories are available for the Model 350?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Available accessories include repair kits, thermal expansion tank (Model XT), QT-SET Quick Test Fitting Set, and winterizing blow out\/flush fittings.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cdiv id=\"W3TucRPBpqQA9ARvwg6ni-content\"\u003e\n  \u003cp\u003e\n    \u003cspan\u003e\n      \u003cstrong\u003eNOTICE:\u003c\/strong\u003e\n      Do not use with water that is unsafe or of unknown quality without adequate\n      disinfection either before or after the system.\n    \u003c\/span\u003e\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\n  \u003ci\u003e\n    \"Hydrate Everyone, Everywhere!\" BottleFillingStations.com |\n    \u003ca rel=\"noopener\" href=\"https:\/\/bottlefillingstations.com\/pages\/contact-us\" target=\"_blank\"\u003e\n      Contact us\n    \u003c\/a\u003e\n  \u003c\/i\u003e\n\u003c\/p\u003e","brand":"Zurn Wilkins","offers":[{"title":"Default Title","offer_id":42911793709119,"sku":"34-350","price":317.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/34-350_AR.jpg?v=1771095580","url":"https:\/\/bottlefillingstations.com\/products\/zurn-wilkins-34-350-double-check-valve-assembly","provider":"BottleFillingStations.com","version":"1.0","type":"link"}