Watts 957ZRPDA-BFG-CFM-FS 6 - Part of the 957RPDA Series ZA100F-4NH Z415-SZ1-4NL

Z415-SZ1-4NL

This 4 inch lead free reduced pressure zone assembly backflow preventer is assembled without shutoffs and 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 in accordance with national plumbing codes and water authority requirements

tank volume 80 gallons

Z415-BZ1-DP-4NL

Its cast-iron body provides long-term strength

Watts 957ZRPDA-BFG-CFM-FS 6 - Part of the 957RPDA Series ZA100F-4NH Z415-SZ1-4NLThis 6 inch reduced pressure detector backflow preventer assembly help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Extremely compact and lighter than traditional designs it is approved for horizontal Z pattern installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, grooved gear operated butterfly valves with tamper switch,