Zurn Industries Backflow Prevention Preventers
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Zurn Industries 6'' 375AST Reduced Pressure Principle Backflow Preventer with OSandY gate Valves

SKU: 6-375ASTOSY

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  • Product Type Preventer
  • Length 43.5"  Width 15.5"  Height 41.25"  Weight 346 lbs. 
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Product Details

Zurn Industries 6-375ASTOSY

The 6'' 375ASTOSY Reduced Pressure Principle Backflow Assembly with flanged end OSandY gate valves is utilized in high hazard applications for all applications and market segments, protecting against backsiphonage and backpressure of contaminated water into the potable water supply. The 375AST offers lightweight design with a high quality, 304L grade stainless steel valve body and sensing line, plus stainless steel internals, fasteners, and springs provide corrosion resistance and saves you money on maintenance costs.


  • Collection 375AST
  • UPC 612052112374
  • Online Product ID 2972297
  • Length 43.5"
  • Width 15.5"
  • Height 41.25"
  • Weight 346 lbs.
  • Made in USA yes
  • Low Lead Compliant yes
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping  409 lbs.

Additional information

  • Short lay-length offers reduces installation time and costs in compact spaces
  • Patented Compound Check offers reliable performance, improved flow characteristics, and installation in lower-pressure systems
  • Stainless steel body protects against corrosion
  • ASSE Listed 1013
  • AWWA Compliant C511 (with gates only), and C550
  • FM Approved
  • UL and C-UL Classified
  • CSA Certified
  • IAPMO Listed
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California

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