{"product_id":"wilkins-1-350-double-check-valve-backflow-preventer","title":"Wilkins 1-350 | Double Check Valve Backflow Preventer","description":"\u003cp\u003eThe Wilkins 1-350 is a double check valve assembly designed for backflow prevention in low to moderate hazard applications, providing reliable protection against both backsiphonage and backpressure.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\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 1 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Water Pressure:\u003c\/strong\u003e 175 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Water Temperature:\u003c\/strong\u003e 180°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e ASSE 1015, CSA B64.5, AWWA C510\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Connections:\u003c\/strong\u003e Threaded ANSI B1.20.1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\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\u003e112-350:\u003c\/strong\u003e 1 1\/2 Inches model size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e114-350:\u003c\/strong\u003e 1 1\/4 Inches model size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-350:\u003c\/strong\u003e 2 Inches model size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e34-350:\u003c\/strong\u003e 3\/4 Inches model size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eMaterials:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCast Bronze main valve body (3\/4\" - 1\"), ASTM B 584\u003c\/li\u003e\n\u003cli\u003eReinforced Nylon housing\u003c\/li\u003e\n\u003cli\u003eStainless Steel fasteners, 300 Series\u003c\/li\u003e\n\u003cli\u003eSilicone elastomers (FDA Approved)\u003c\/li\u003e\n\u003cli\u003eBuna Nitrile elastomers (FDA Approved)\u003c\/li\u003e\n\u003cli\u003eDelrin internals, NSF Listed\u003c\/li\u003e\n\u003cli\u003eStainless Steel springs, 300 Series\u003c\/li\u003e\n\u003cli\u003eCast Bronze ball valves, ASTM B 584\u003c\/li\u003e\n\u003cli\u003eStainless Steel struts, 300 Series\u003c\/li\u003e\n\u003cli\u003eStainless Steel handles, 300 Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\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;\"\u003eLocal 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 inches (305mm) and a maximum of 30 inches (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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\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;\"\u003eASSE 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)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\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\u003eDual Protection:\u003c\/strong\u003e Protects against both backsiphonage and backpressure of polluted water into the water supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable Design:\u003c\/strong\u003e First and second checks are accessible for maintenance without removing the Zurn 1-350 device from the line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built with cast bronze and reinforced nylon components, stainless steel fasteners, and FDA-approved elastomers for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Configuration:\u003c\/strong\u003e Available with optional full port QT ball valves, integral test fittings, lead-free strainer, and blow out\/flush fitting options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What applications is the Wilkins 1-350 suitable for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Wilkins 1-350 is designed for installation on water lines where a potential health hazard does not exist, providing protection in low to moderate hazard applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the hydrostatic test pressure rating for the Zurn 1-350?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The hydrostatic test pressure rating is 350 PSI, while the maximum working water pressure is 175 PSI.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this device be installed vertically?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the assembly is approved for both horizontal and vertical installation and complies with ASSE 1015 standards in both orientations.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"W3TucRPBpqQA9ARvwg6ni-content\"\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eNOTICE:\u003c\/strong\u003e Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ci\u003e \"Hydrate Everyone, Everywhere!\" BottleFillingStations.com | \u003ca rel=\"noopener\" href=\"https:\/\/bottlefillingstations.com\/pages\/contact-us\" target=\"_blank\"\u003e Contact us \u003c\/a\u003e \u003c\/i\u003e\u003c\/p\u003e","brand":"Zurn Wilkins","offers":[{"title":"Default Title","offer_id":42911789678655,"sku":"1-350","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/1-350_AF.jpg?v=1771096341","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-1-350-double-check-valve-backflow-preventer","provider":"BottleFillingStations.com","version":"1.0","type":"link"}