Watts 957-OSY-GXG-FS 2 1/2 - Part of the 957 Series Basement Window Well ZN400E-4NL

ZN400E-4NL

and other infiltrators that can clog pipes

The high ratio of the diaphragm to the orifice provides excellent performance and stability at a low reduced pressure

Compact design and footprint

Specifications Body Material Lead Free Copper Silicon Alloy Brand Watts EAN 098268586138 Inlet Connection Size 1 1/4 IN Inlet Connection Type Female Threaded Inlet Thread Type FPT Lead Free YES Maximum Working Pressure-PSI 38 Outlet Connection Size 1 1/4 IN Outlet Connection Type Female Threaded Outlet Thread Type FPT Part Number 0121513 Pressure Range 50 to 150 PSI Pressure Relief Setting-PSI 50 Series LF174A Specification Sheet - Flood Sensor for Relief Valve Discharge Line

Watts 957-OSY-GXG-FS 2 1/2 - Part of the 957 Series Basement Window Well ZN400E-4NLThis 2 1 2 IN lead free stainless steel reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. It has OSY groove by groove gate valves that show if the valve is open or closed and prevent stem corrosion. The easy maintenance assembly consists of positive seated torsion spring check modules, bottom mounted differential pressure relief valve, FM