Watts LF53L 150 1 2 Part of the LF53L Series Woven Fabric reducing water buildup and lowering reducing water buildup and lowering required head depth Specifications Actuation No Assembled Dry No Balance Stop Plate No Ball Material Brass Body Finish Bronze Body Material Bronze Brand Watts Control Type Lever Handle CV Rating 11 EAN 098268433333 Inlet Connection Size 3 4 IN Inlet Connection Size Metric 20 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 350 Minimum Temperature Celsius 18 This 1 2 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters The pressure relief is set at 150 psi (10