{"product_id":"wilkins-112-350xl-double-check-valve-assembly","title":"Wilkins 112-350XL | Double Check Valve Assembly","description":"\u003cp\u003e\nThe Wilkins 112-350XL is a double check valve assembly designed to protect potable water systems from backsiphonage and backpressure in non-health hazard applications.\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 1 1\/2 Inches\n  \u003c\/li\u003e\n  \n  \u003cli\u003e\n    \u003cstrong\u003eMaximum Working Pressure:\u003c\/strong\u003e 175 PSI\n  \u003c\/li\u003e\n  \n  \u003cli\u003e\n    \u003cstrong\u003eMaximum Working Temperature:\u003c\/strong\u003e 180°F\n  \u003c\/li\u003e\n  \n  \u003cli\u003e\n    \u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e ASSE 1015, NSF\/ANSI\/CAN 61 \u0026amp; 372\n  \u003c\/li\u003e\n  \n  \u003cli\u003e\n    \u003cstrong\u003eEnd Connections:\u003c\/strong\u003e 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\u003e34-350XL:\u003c\/strong\u003e 3\/4 Inches version\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e1-350XL:\u003c\/strong\u003e 1 Inches version\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e114-350XL:\u003c\/strong\u003e 1 1\/4 Inches version\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003e2-350XL:\u003c\/strong\u003e 2 Inches version\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\u003eReinforced Nylon Housing\u003c\/li\u003e\n  \u003cli\u003eLow Lead Cast Bronze Main Valve Body (ASTM B 584)\u003c\/li\u003e\n  \u003cli\u003eStainless Steel Fasteners (300 Series)\u003c\/li\u003e\n  \u003cli\u003eStainless Steel Springs (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\u003c\/li\u003e\n  \u003cli\u003eStainless Steel Struts (300 Series)\u003c\/li\u003e\n  \u003cli\u003eStainless Steel Handles (200 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 inches and a maximum of 30 inches 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); NSF\/ANSI\/CAN 61 and 372\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 Provides protection against both backsiphonage and backpressure of polluted water into potable water supply systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead-Free Construction:\u003c\/strong\u003e Meets NSF\/ANSI\/CAN 372 requirements with less than 0.25% weighted average lead content for safe drinking water applications.\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, reducing downtime and installation costs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e Reinforced nylon housing with stainless steel internals ensures long-lasting performance in indoor or outdoor installations.\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: Can the Zurn 112-350XL be installed vertically or horizontally?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the Zurn 112-350XL is compliant for both horizontal and vertical installation as certified by ASSE 1015 and CSA B64.5 standards.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the hydrostatic test pressure rating for this valve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Model 112-350XL has a hydrostatic test pressure rating of 350 PSI, providing reliable performance under high-pressure conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this double check valve come with shut-off valves?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the standard configuration includes full port QT ball valves. Options without ball valves are available for 3\/4 Inches and 1 Inches sizes by specifying the \"L\" suffix.\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":42914869510207,"sku":"112-350XL","price":1279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/112-350XL_AF.jpg?v=1771003004","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-112-350xl-double-check-valve-assembly","provider":"BottleFillingStations.com","version":"1.0","type":"link"}