Zurn Industries Backflow Prevention Preventers
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Zurn Industries 6'' 475V Reduced Pressure Principle Backflow Preventer with OSandY gate Vlvs

SKU: 6-475VOSY

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Product Details

Zurn Industries 6-475VOSY

The 6'' 475VOSY Reduced Pressure Principle Backflow Preventer with OSandY gate valves is utilized in high health hazard, potable water applications to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 475V is shaped in the z-Pattern and is installed in vertical flow up applications, often for new or retrofit installations in compact spaces. Its single access cover reduces maintenance downtime and repair costs and is equipped with the patented, center-stem guided Compound Check for low headloss, superior reliability, and unmatched performance.


  • Collection 475V
  • UPC 612052045955
  • Online Product ID 5729337
  • Length 47"
  • Width 37"
  • Height 44.5"
  • Weight 521 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" 577 lbs.

Additional information

  • z-Pattern provides a small footprint and space saving design in vertical flow up applications for retrofit or first time installation
  • Patented Compound Check increases reliability and decreases headloss
  • Epoxy coated ductile iron body provides corrosion-resistance
  • 475V single access cover reduces repair time
  • Low-lead law compliant
  • ASSE Listed 1013
  • AWWA Compliant C511 (with gates only), and C5
  • CSA Certified
  • IAPMO Listed
  • UL and C-UL Listed

About This Brand

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