The Zurn Wilkins 375AST Reduced Pressure Principle Backflow Preventer with stainless steel body provides high hazard protection with a corrosion resistant, light weight design. Multiple shut-off and end connections available for installation versatility.

Product Resources

Spec Sheets & Install

BIM / 3D Models / 2D Drawings

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Features And Benefits

  • Short lay-length for small space installation
  • Reliable performance and improved flow characteristics from patented Compound Check, allowing for installation in lower-pressure systems
  • Available as backflow replacements/retrofit 375ASTR for custom length, drop in replacement
  • Ideal for any backflow replacement
  • Lower maintenance costs from corrosion resistance of stainless body
  • Available in flanged, grooved, or grooved X flanged end connections for installation versatility
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Zurn Wilkins
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Can the 375AST be rotate on its side, such that the test cocks point out sideways?

  • ​The valve must be installed with the test cocks pointing upward, and the valve in the horizontal position.  All Backflow Prevention Assemblies must be installed in the same orientation that they were tested and approved in.  For more product information, please visit our web site at http://www.zurn.com/Pages/ProductDetails.aspx?NodeKey=414141 
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