{"product_id":"zurn-8-350astdacfm","title":"Zurn 8-350ASTDACFM Lead-Free Backflow Preventer - Stainless Steel Double Check Detector Assembly","description":"\u003cp\u003eThe Zurn Wilkins 8-350ASTDACFM is a 8\" lead-free double check detector assembly (DCDA) with Flanged connections, approved for low health hazard protection. It features a stainless 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 350ASTDA Double Check Detector Assembly protects against both backsiphonage and backpressure in low health hazard, fire protection applications. Its stainless steel body, access covers, internals, fasteners, and springs are corrosion-resistant for reduced maintenance costs. Featuring a metered bypass system, the 350ASTDA efficiently detects leaks and any unauthorized water use. Its single access cover reduces downtime and added costs associated with maintenance and repairs. The 350ASTDA features a short lay-length for compact, versatile installation in horizontal or vertical positions, and is available in a variety of flanged, grooved, or grooved x flanged end connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eShort lay-length ensures easy installation in compact spaces\u003c\/li\u003e\n\u003cli\u003eMetered bypass detects leaks and unauthorized water use for reduced maintenance and repair costs\u003c\/li\u003e\n\u003cli\u003eHigh quality 304L grade stainless steel body and access covers reduces corrosion exposure\u003c\/li\u003e\n\u003cli\u003eCompliant with horizontal and vertical installation\u003c\/li\u003e\n\u003cli\u003eLead-free law compliant\u003c\/li\u003e\n\u003cli\u003eASSE® Listed 1048\u003c\/li\u003e\n\u003cli\u003eAWWA Compliant C510 (with gates only), and C550\u003c\/li\u003e\n\u003cli\u003eUL® Classified\u003c\/li\u003e\n\u003cli\u003eC-UL® Classified\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 CFM.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does this have to be installed?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is approved for either horizontal or vertical installation, with the flow arrow on the body pointing in the direction of flow.\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 - Stainless Steel Double Check Detector Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 8\"\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 Stainless\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 8-350ASTDACFM\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, 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\u003eApproved Orientation:\u003c\/strong\u003e Horizontal \u0026amp; Vertical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Meter:\u003c\/strong\u003e CFM\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":55656190607659,"sku":"8-350ASTDACFM","price":19711.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/350ASTDA_AF_1c13cbbd-b058-4fec-9b90-7ce4f1a5aea6.jpg?v=1790041964","url":"https:\/\/citysupplygroup.com\/products\/zurn-8-350astdacfm","provider":"City Supply","version":"1.0","type":"link"}