Description
The Watts F156731 Relief Valve 40XL-5 is a temperature and pressure safety component used to protect hot water and heating equipment within HVAC systems. It features a 3/4-inch NPT connection and is rated for a pressure setpoint of 150 PSI and a temperature limit of 210°F, with an automatic reset design and extended thermostat probe for accurate sensing. Installed in boilers or hot water tanks, it relieves excess pressure and temperature to prevent unsafe operating conditions. This valve plays a role in system safety by releasing buildup, and maintaining stable operating conditions within the system.
