LL40XL-4 3/4 150PSI 210F BZ TP VLV SUR A

This automatic reseating temperature and pressure relief valve has a 3/4 in. NPTF male inlet, 3/4 in. NPTF female outlet, 4 in. coated extension thermostat, pressure relief setpoint of 150 psi, and temperature relief setpoint of 210 degrees F. The valve can be installed in hot water outlet within the allowable distance from the top of the tank for commercial applications to provide protection for hot water supply tanks and hot water heaters. It features a bronze body with extended shank, tamper resistant bonnet screws, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve. Sensor activation requires purchase of an activation kit which can be connected to existing building management systems or the Watts Cellular Gateway.