Watts 994 LF FS 4 Part of the 994 Series Window Well Extension Specifications Body Material Lead Free Specifications Body Material Lead Free Copper Silicon Alloy Brand Watts EAN 098268568721 GPM When Relieved Does Not Apply to Product Inlet Connection Size 3 4 IN Inlet Connection Type Male Threaded Inlet Thread Type NPTF Lead Free YES Maximum Temperature Fahrenheit 210 Maximum Working Pressure PSI 112 Outlet Connection Size 3 4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F121430 Pressure Range Does not apply to product Pressure Relief Setting PSI 150 Protection Type Temperature And Pressure Series LFLL40XL Shank Length 3 21 32 IN Temperature Relief Fahrenheit 210 Thermostat Material Nylon Coated Copper Thermostat Probe Length 5 IN Specification Sheet Flood Sensor for Relief Valve Discharge Line Cover O ring Kit Type Cover Kit Lead Free YES Product Group BACKFLOW KITS UPC 098268699081 Torsion spring check valves provides maximum flow at low pressure drop This 4 inch lead free reduced pressure zone assembly backflow preventer is assembled without shutoffs and help stop the reverse flow of liquids due to backpressure or backsiphonage