{"product_id":"zurn-10-450da","title":"Zurn 10-450DA Lead-Free Backflow Preventer - N-Pattern Double Check Detector Assembly","description":"\u003cp\u003eThe Zurn Wilkins 10-450DA is a 10\" lead-free double check detector assembly (DCDA) with Flanged connections, approved for low health hazard protection. It features a ductile iron body. Rated to 175 psi and up to 140°F. This model is certified lead-free for potable-water installations.\u003c\/p\u003e\u003cp\u003eThe 450DA Double Check Detector Backflow Assembly protects against both backsiphonage and backpressure on water lines in low health hazard, fire protection applications. Shaped in the n-Pattern, the 450DA is ideal for both new and retrofit installations in tight locations. It features an innovative metered bypass system to efficiently and effectively detect leaks and any unauthorized water use and the epoxy-coated ductile iron body protects against corrosion. The 450DA utlizes the Wilkins Compound Check which provides low headloss, and multiple gate valve end connection options are available for versatile installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompact size ensures easy retrofit applications in tight spaces\u003c\/li\u003e\n\u003cli\u003eEffectively detect leaks and any unauthorized water use\u003c\/li\u003e\n\u003cli\u003ePatented Compound Check offers reliable performance and improved flow characteristics\u003c\/li\u003e\n\u003cli\u003en-Pattern allows for use in compact enclosures\u003c\/li\u003e\n\u003cli\u003eValve assembly comes standard with OS\u0026amp;Y gate valves\u003c\/li\u003e\n\u003cli\u003eEpoxy-coated ductile iron body protects against corrosion\u003c\/li\u003e\n\u003cli\u003eASSE® Listed, CSA® Certified and AWWA Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat hazard level is this DCDA approved for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is rated for low health hazard (non-toxic, \"pollutant\") cross-connections only. Where the downstream substance could be a health hazard, codes require a reduced pressure zone (RPZ) assembly or a detector assembly instead. The assembly is listed to ASSE 1048.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this model legal for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. It is certified lead-free to NSF\/ANSI 372, which is what state plumbing codes require for any device in a drinking-water line.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes this assembly have to be tested every year?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. This is a field-testable assembly. Most water authorities require it to be tested and certified by a licensed backflow tester at installation and annually thereafter. It carries USC FCCCHR approval, which many jurisdictions accept as their sole approval list.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat shutoff valves are included?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is supplied with non-rising stem (NRS) resilient-seated gate valves on the inlet and outlet.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this suitable for a fire sprinkler line?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Detector assemblies are built for fire sprinkler service: the metered bypass registers the low flows that reveal a leak or an unauthorized tap on the fire line. This model is UL Classified and C-UL Classified and FM Approved. The bypass meter reads in GPM.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Backflow Preventer - N-Pattern Double Check Detector Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 10\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Flanged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Ductile Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 175\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Fire Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackflow Protection:\u003c\/strong\u003e Both\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 10-450DA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e up to 140°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ASSE-1048, AWWA-C510, AWWA-C606, CSA-B64.5, C-UL, UL, FM, USC, NSF-61, NSF-372\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Type:\u003c\/strong\u003e DCDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazard Protection Level:\u003c\/strong\u003e Low Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASSE Standard:\u003c\/strong\u003e ASSE 1048\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSC FCCCHR Approved:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Protection Listing:\u003c\/strong\u003e UL Classified;C-UL Classified;FM Approved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Testable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShutoff Valves:\u003c\/strong\u003e NRS Gate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Meter:\u003c\/strong\u003e GPM\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":55656159969579,"sku":"10-450DA","price":35758.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/450DA_AL.jpg?v=1790041645","url":"https:\/\/citysupplygroup.com\/products\/zurn-10-450da","provider":"City Supply","version":"1.0","type":"link"}