The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for all applications. The flanged, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility.
Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 375 provides protection where a potential health hazard exists. Ideal for use where lead-free* valves are required.
(Unless Otherwise Noted, Sizes 2 1/2" Thru 10")
• ASSE® Listed 1013
• IAPMO® Listed
• CSA® Certified B64.4 (2 1/2" thru 8")
• AWWA Compliant C511, and C550
• FM® Approved
• UL® Classified
• C-UL® Classified
• NYC MEA 49-01-M Vol 2
• Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California.
• Meets the requirements of NSF/ANSI 61*
*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
Sizes: 2 1/2", 3", 4", 6", 8", 10"
Maximum working water pressure 175 PSI
Maximum working water temperature 140°F
Hydrostatic test pressure 350 PSI
End connections (Grooved for steel pipe) AWWA C606
(Flanged) ANSI B16.1
Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) and a maximum of 30" (762mm) above adequate drains with sufficient side learance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.
High performance, Low headloss design, short lay length, Corrosion Resistant Lightweight
Stainless Steel body
All Stainless Steel, Brass and Plastic components.
Watermark, UL, FM, USC, NSF Compliant