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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
Watts 957N OSY FS 2 1 2 Part of the 957 Series R304 Detectable Warning Surfaces This 1 inch dual check This 1 inch dual check valve repair kit provides all the parts necessary to replace the major components of the applicable dual check valve assembly Specifications Body Material Lead Free Copper Silicon Alloy Brand Watts EAN 098268576276 Inlet Connection Size 2 IN Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free YES Maximum Working Pressure PSI 90 Outlet Connection Size 2 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F121570 Pressure Range Does Not Apply To Product Pressure Relief Setting PSI 120 Series LF174A Specification Sheet Flood Sensor for Relief Valve Discharge Line