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Zurn Industries 4'' 475DAV Reduced Pressure Principle Backflow Preventer

SKU: 4-475DAV

$16,187.00

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Product Details

Zurn Industries 4-475DAV

The 4'' 475DAV Reduced Pressure Detector Backflow Assembly, with OSandY gate valves, is utilized in high health hazard, fire protection applications for protection against both back siphonage and backpressure of contaminated water into the potable water supply. The 475DAV is shaped in the z-Pattern and installed vertically in a flow up orientation. It includes a small footprint for quick and easy fire protection retrofit applications, as well as a metered bypass system to detect leaks and any unauthorized water use, saving you valuable time and money on repairs and maintenance costs.


  • Collection 475DA
  • UPC 612052047904
  • Online Product ID 5729292
  • Length 47"
  • Width 37"
  • Height 44.5"
  • Weight 326.285 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:44"x H:37" 400 lbs.

Additional information

  • The models small footprint is ideal for fire protection retrofits and aids in reducing installation time
  • Metered bypass detects unauthorized water usage or leaks
  • Designed for installation in fire protection systems where a potential high health hazard exists
  • FDA approved fusion epoxy finish and ductile iron body resists corrosion
  • ASSE Listed
  • AWWA Compliant
  • UL Classified
  • C-UL Classified
  • FM Approved
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California

About This Brand

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