Watts 957-OSY-GXG-FS 2 1/2 - Part of the 957 Series Basement Window Well The high ratio of the

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

Specifications Body Material Bronze Brand Watts EAN 098268583618 Inlet Connection Size 2 IN Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free NO Maximum Working Pressure-PSI 75 Outlet Connection Size 2 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F278450 Pressure Range Does Not Apply To Product Pressure Relief Setting-PSI 100 Series 174A Specification Sheet - 174A

ZN400E-4NL

Compact design and footprint

Watts 957-OSY-GXG-FS 2 1/2 - Part of the 957 Series Basement Window Well The high ratio of theThis 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