{"product_id":"zurn-wilkins-34-760drbs-dual-check-valve-backflow-preventer-34-inches","title":"Wilkins 34-760DRBS | Dual Check Valve Backflow Preventer, 3\/4 Inches","description":"\u003cp\u003e\u003cstrong\u003eNOTICE:\u003c\/strong\u003e\u003cem\u003e Product images may vary from the actual item due to differences in size or configuration options.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wilkins 34-760DRBS is a dual check valve backflow preventer with intermediate atmospheric vent designed for boiler fill water lines, providing reliable protection against 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 3\/4 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure:\u003c\/strong\u003e 175 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature:\u003c\/strong\u003e 210°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e ASSE 1012, CSA B64.3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e FNPT union connections\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\u003cstrong\u003eNone specified\u003c\/strong\u003e\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\u003eMain valve body: Forged Brass\u003c\/li\u003e\n\u003cli\u003eElastomers: EPDM (FDA approved)\u003c\/li\u003e\n\u003cli\u003eElastomers: Buna Nitrile (FDA approved)\u003c\/li\u003e\n\u003cli\u003eSprings: Stainless Steel, 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;\"\u003eThe Zurn 34-760DRBS must be installed with provisions to collect spillage from the vent port through an air gap or other means. The vent port should never be directly piped into a drainage ditch, sewer, or pump, and under no circumstances should the vent port or drain line be plugged. Local codes shall govern installation requirements. The installation shall be made so that no part of the unit can be submerged and shall be installed downstream of an inlet shut-off valve in an accessible location for boiler fill applications.\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;\"\u003eCSA Certified B64.3; ASSE Listed 1012; ANSI B1.20.1; ANSI B16.22\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 Backflow Protection:\u003c\/strong\u003e Protects against both backsiphonage and backpressure of polluted water into the potable water supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature and Pressure Rating:\u003c\/strong\u003e Handles working temperatures up to 210°F and pressures up to 175 PSI for demanding applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Forged brass body with stainless steel springs and FDA-approved elastomers ensure long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermediate Atmospheric Vent:\u003c\/strong\u003e Provides visible indication of check valve failure and additional protection through atmospheric discharge.\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: Can the Zurn Wilkins 34-760DRBS be installed in any orientation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit may be installed horizontally or vertically, but must be positioned so that no part of the unit can be submerged and the vent port must discharge through an air gap.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the standard and \"C\" option for the Wilkins 34-760DRBS?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The standard version features FNPT (female) threaded union inlet and outlet connections, while the \"C\" option has FC (female) copper sweat union inlet and outlet connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why might water spill from the vent port on my 34-760DRBS?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Under certain conditions, the Model 760 will spill water from the vent port as part of its normal operation. This is why provisions must be made to collect spillage through an air gap, and the vent port should never be plugged or directly piped into drainage systems.\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":42934991716415,"sku":"34-760DRBS","price":218.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/12-760C_AF_68a72217-37a4-4ab5-91ec-1e5eafbdf657.png?v=1771502095","url":"https:\/\/bottlefillingstations.com\/products\/zurn-wilkins-34-760drbs-dual-check-valve-backflow-preventer-34-inches","provider":"BottleFillingStations.com","version":"1.0","type":"link"}