ANSI Z21.22/CSA 4.4NBBI to ASME BPVC Section XIII|BAA Compliant|NSF/ANSI/CAN 372

• Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve Requires purchase of activation kit to activate sensor Tamper-resistant bonnet screws Non-mechanical seat to disc alignment

This lead-free automatic reseating temperature and pressure relief valve has a 1 in NPTF male inlet, 1 in NPTF female outlet, 4 in coated extension thermostat, pressure relief setpoint of 150 psi and temperature relief setpoint of 210 deg 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 lead-free copper silicon alloy body, tamper-resistant bonnet screws and test lever. Includes a non-restrictive 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.