Ames M400Z-BFG 6" SS Reduced Pressure Zone Assembly

Ames M400 Z pattern 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 stainless steel body with a quick access sleeve, torsion spring check modules, grooved gear operated butterfly valves with tamper switch, test cocks, and a bottom mounted pressure relief valve.