Zurn Industries Backflow Prevention Preventers
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Zurn Industries 3'' 350DA Double Check Detector Backflow Preventer

SKU: 3-350DA

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  • Product Type Preventer
  • Length 36.8"  Width 19.3"  Height 28.3"  Weight 267 lbs. 
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Product Details

Zurn Industries 3-350DA

The 3'' 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.


  • Collection 350DA
  • UPC 612052046518
  • Online Product ID 5729234
  • Length 36.8"
  • Width 19.3"
  • Height 28.3"
  • Weight 267 lbs.
  • Made in USA yes
  • Low Lead Compliant yes
  • Listing UL, C-UL
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping x W:21"x H:30" 260 lbs.

Additional information

  • 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
  • C-UL Classified
  • FM Approved

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