Zurn Industries Backflow Prevention Preventers
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Zurn Industries 6'' 350Da Double Check Detector Backflow Preventer

SKU: 6-350DA

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Product Details

Zurn Industries 6-350DA

The 6'' 350DA Double Check Detector Backflow Assembly, with flanged end OSandY gate valves, protects against back siphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA efficiently and effectively detects leaks and any unauthorized water use, saving you added costs associated with maintenance and repairs. The Zurn Wilkins Compound Check provides low headloss, and backflow installation is approved in both horizontal and vertical positions.


The 6'''' 350DA Double Check Detector Backflow Assembly, with flanged end OS&Y gate valves, protects against backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA efficiently and effectively detects leaks and any unauthorized water use, saving you added costs associated with maintenance and repairs. The Zurn Wilkins Compound Check provides low headloss, and backflow installation is approved in both horizontal and vertical positions.


  • Collection 350DA
  • UPC 612052044378
  • Online Product ID 2972284
  • Product Line 480
  • Length 49.3"
  • Width 23"
  • Height 39.5"
  • Weight 552 lbs.
  • Made In USA
  • Made in USA yes
  • Low Lead Compliant yes
  • Material Ductile Iron
  • Unit Of Measure Each
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Minimum Order Quantity 1
  • Shipping L:49"x W:23"x H:39" 555 lbs.

Additional information

  • C-UL® Classified
  • FM® Approved
  • Horizontal or vertical installation offers versatility and eases installation
  • Lowest lifecycle costs in the Backflow industry
  • Patented Compound Check offers reliable performance and improved flow characteristics
  • Leak and unauthorized water use detection decreases risk of damage and unnecessary costs
  • ASSE® Listed 1048
  • CSA® Certified B64.5
  • AWWA Compliant C510
  • UL® Classified

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