Watts LF174A 150 FS 1 1 2 Part of the LF174A Series mainline siltfence The material is both tear The material is both tear and puncture resistant and can be purchased in thicknesses ranging from 30 mil to 100 mil Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant YES Lead Free Not In Scope Outlet Connection Size 4 IN Outlet Connection Type Push UPC 098268246179 Specification Sheet LF174A (French) Specifications Body Material Lead Free Copper Silicon Alloy Brand Watts EAN 098268575804 Inlet Connection Size 1 1 2 IN Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free YES Maximum Working Pressure PSI 112 Outlet Connection Size 1 1 2 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F121549 Pressure Range Does Not Apply To Product Pressure Relief Setting PSI 150 Series LF174A Specification Sheet Flood Sensor for Relief Valve Discharge Line