Additional InformationASSE Specified|AWWA C510/C550 Standard|CSA B64.4 Certified|FM Approved|IAPMO Certified|NSF/ANSI 61 Certified|UL/ULC Listed|UPC Listed
Marketing InformationThe 375AST reduced pressure principle backflow assembly is utilized in high-hazard applications for all applications and market segments, protecting against back siphonage and back pressure of contaminated water into the potable water supply. The 375AST offers lightweight design with a high-quality, 304L grade stainless steel valve body and sensing line, plus stainless steel internals, fasteners and springs. Multiple options for end connections, such as NRS, OS&Y and butterfly shut-off valves, offer supreme installation versatility and its corrosion-resistant design saves you money on maintenance costs.