Zurn Industries Backflow Prevention Preventers
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Zurn Industries 2-1/2'' 350 Double Check Valve Backflow Preventer, with OSandY Gates, FLG x FLG

SKU: 212-350OSY

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  • Product Type Preventer
  • Length 36.8"  Width 19.3"  Height 28.3"  Weight 230 lbs. 
  • View Complete Specs

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350 (lg) Collection

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Product Details

Zurn Industries 212-350OSY

The 2-1/2'' 350OSY Double Check Valve Backflow Assembly, with OSandY gate valves, is used on potable water lines in all low health hazard applications for protection against both back siphonage and backpressure. 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 epoxy-coated ductile iron body provide corrosion-resistance, and the multiple shut-off and end connection options increase the installation versatility of the 350.


  • Collection 350 (lg)
  • UPC 612052089775
  • Online Product ID 5729219
  • Length 36.8"
  • Width 19.3"
  • Height 28.3"
  • Weight 230 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" 220 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

About This Brand

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