Zurn Industries Backflow Prevention Preventers
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Zurn Industries 3/4'' 375ST Reduced Pressure Principle Backflow Preventer

SKU: 34-375ST

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375 (sm) Collection

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Product Details

Zurn Industries 34-375ST

The 3/4'' 375ST Reduced Pressure Principle Backflow Assembly offers high hazard protection against both backsiphonage and backpressure of contaminated water into the potable water supply. Materials include engineered plastic construction and quality 300 series stainless steel fasteners, springs, ball valves, and struts. The 375ST is utilized in systems where liquids are corrosive to copper alloys like bronze valves, including medical diagnostic equipment applications, food processing, distilleries, and breweries. It comes standard with full port QT ball valves, and features a maximum working water pressure of 175 psi, maximum working water temperature of 180°F, and hydrostatic test pressure of 350 psi.


  • Collection 375 (sm)
  • UPC 612052070025
  • Online Product ID 2972129
  • Product Line 480
  • Length 14"
  • Width 8"
  • Height 4.8"
  • Weight 7 lbs.
  • Made in USA yes
  • Low Lead Compliant yes
  • Prop65 Warning Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping  7 lbs.

Additional information

  • Multiple valve options for every application eases installation
  • Repair Kits provide cost savings by avoiding full Backflow Preventer replacement
  • Applicable for systems that are corrosive to bronze valves
  • All stainless steel and engineered plastic construction resists corrosion
  • Low-lead law compliant
  • ASSE Listed 1013
  • CSA B64.4
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
  • Certified to NSF/ANSI 372* by IAPMO R&T
  • NSF Listed-Standard 61, Annex G

About This Brand

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