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Zurn Industries Backflow Prevention Preventers
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Zurn Industries 8'' 350Astda Double Check Detector Backflow Preventer With Post Indicator And OsAndY Gate Vlvs

SKU: 8-350ASTDAOSYPI

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Product Details

Zurn Industries 8-350ASTDAOSYPI

The 8'''' 350ASTDAOSYPI Double Check Detector Aseembly with OS&Y gate valve tamper switch and Post Indicator gate valves 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 350ASTDAOSYPI efficiently detects leaks and any unauthorized water use. Its single access cover reduces downtime and added costs associated with maintenance and repairs. The 350ASTDAOSYPI features a short lay-length for compact, versatile installation in horizontal or vertical positions.


  • Collection 350ASTDAOSYPI
  • UPC 612052244150
  • Online Product ID 6195932
  • Length 52.75"
  • Width 26.13"
  • Height 45.75"
  • Made In USA
  • Low Lead Compliant yes
  • Unit Of Measure Each
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Minimum Order Quantity 1
  • Shipping L:63"x W:31"x H:48"

Additional information

  • Short lay-length ensures easy installation in compact spaces
  • Metered bypass ensures cost-savings related to unauthorized water use and leaks
  • High quality 304L grade stainless steel body and access covers reduces corrosion exposure
  • Compliant with horizontal and vertical installation
  • Lead-free law compliant
  • ASSE® Listed 1048
  • AWWA Compliant C510 (with gates only), and C550
  • UL® Classified
  • C-UL® Classified
  • FM® Approved

About This Brand

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