Ames 4000SS-OSY 6" Reduced Pressure Assembly

Ames 4000SS lead free reduced pressure zone backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure. The assembly has a short lay length lightweight stainless steel body, resilient seated outside stem and yoke shutoff valves, test cocks, corrosive resistant stainless steel bottom mounted relief valve, and a patented cam-check assembly.