The 4" 375 Reduced Pressure Principle Backflow Assembly, with flanged end NRS gate valves, is utilized where a potential high health hazard exists and is ideal for use when lead-free valves are required protecting against both backsiphonage and backpressure of contaminated water into the potable water supply. The 375 includes an epoxy-coated inside and out ductile iron valve body eliminating exposure to corrosion. The 375 utilizes the Zurn Wilkins low headloss Compound Check and offers the lowest lifecycle costs on the market.

• Complete epoxy coating inside and outside of valve body eliminating exposure to corrosion
• Utilizes Zurn Wilkins low headloss compound check for reliable and superior performance
• Low-lead law compliant
• ASSE® Listed 1013
• AWWA Compliant C511 and C550
• IAPMO® Listed
• CSA® Certified B64.4 (2 1/2" thru 8")
• AWWA Compliant C511, and C550
• FM® Approved
• UL® Classified