Watts 957RPDA-OSY-GPM-FS 10 - Part of the 957RPDA Series R304 Detectable Warning Surfaces This 1/2 inch lead free

This 1/2 inch lead free dual check valve backflow preventer with intermediate atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply

Adding a steel grate will reduce the load rating to Class C

ZB415I-4NH

gas-tight gasketed brass cleanout plug and no hub connection for a 4 inch pipe

UPC - 098268443882

Watts 957RPDA-OSY-GPM-FS 10 - Part of the 957RPDA Series R304 Detectable Warning Surfaces This 1/2 inch lead freeThis 10 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 installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, resilient seated gate valves with outside stem and yoke, test cocks,