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Zurn Industries 12'' 350 Double Check Valve Backflow Preventer

SKU: 12IN-350

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  • Product Type Plumbing Part
  • Length 75.4"  Width 30.8"  Height 60.6"  Weight 1605 lbs. 
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350 (lg) Collection

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Product Details

Zurn Industries 12IN-350

The 12'' 350 Double Check Valve Backflow Assembly, with NRS gate valves, is used on potable water lines in all low health hazard applications for protection against both back siphonage and backpressure of polluted water. Its convenient single access cover saves you unnecessary maintenance costs and repair time, and the patented compound check guarantees reliable performance and improved flow characteristics. The lack of threads or taps in the main valve body and access covers eliminate exposure to corrosion, and the flanged, grooved, and grooved x flanged end connection options increase the installation versatility of the 350.


  • Collection 350 (lg)
  • UPC 612052087368
  • Online Product ID 5729195
  • Length 75.4"
  • Width 30.8"
  • Height 60.6"
  • Weight 1605 lbs.
  • Made in USA yes
  • Low Lead Compliant yes
  • Listing UL, C-UL
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping  1605 lbs.

Additional information

  • Short lay-length and multiple connection options provide versatile installation in compact spaces
  • Single access cover eases access, reducing maintenance costs and downtime
  • Patented Compound Check offers reliable performance and improved flow characteristics
  • Complete epoxy coating inside and outside of valve body eliminating exposure to corrosion
  • Lead-free
  • ASSE Listed
  • CSA Certified
  • IAPMO Listed
  • AWWA Compliant
  • UL and C-LU Classified

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