Watts LF223 B HP 1 2 Part of the LF223 Series roof hatch finder while the integral backwater valve while the integral backwater valve helps protect against unwanted wastewater backup Specifications Body Material Bronze Brand Watts EAN 098268565003 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 NO 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 F156731 Pressure Range Does not apply to product Pressure Relief Setting PSI 150 Protection Type Temperature And Pressure Series 40L Shank Length Does Not Apply To Product Temperature Relief Fahrenheit 210 Thermostat Material Nylon Coated Copper Thermostat Probe Length 5 IN Specification Sheet 40 Lead free cast copper silicon alloy body construction commercial and industrial buildings