Zurn Industries Backflow Prevention Preventers
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Zurn Industries 4'' 350A Double Check Backflow Preventer, with NRS Gates, FLG x FLG

SKU: 4-350A

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  • Product Type Preventer
  • Length 41.3"  Width 21.5"  Height 32.5"  Weight 265 lbs. 
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Product Details

Zurn Industries 4-350A

The 4'' 350A Double Check Backflow Assembly protects against back siphonage and backpressure in low health hazard applications for all market segments. The use of our Patented Compound Check guarantees reliable performance and improved flow characteristics. The backflows single access cover reduces maintenance downtime, while the grooved, epoxy-coated ductile iron body provide corrosion-resistance. Its lightweight design and short lay-length ensures easy, compact installation.


  • Collection 350A
  • UPC 612052081021
  • Online Product ID 2972203
  • Product Line 480
  • Length 41.3"
  • Width 21.5"
  • Height 32.5"
  • Weight 265 lbs.
  • Made in USA yes
  • Low Lead Compliant yes
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping x W:33"x H:22" 275 lbs.

Additional information

  • Patented Compound Check ensures reliable, long-lasting performance and improved flow characteristics
  • Installation approved and compliant in horizontal and vertical positions
  • Complete epoxy coating inside and outside of valve body eliminating exposure to corrosion
  • Lightweight design and short lay-length ensures easy, compact installation
  • ASSE Listed
  • AWWA Compliant
  • IAPMO Listed
  • CSA Certified
  • UL and C-LU Classified
  • FM Approved

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