Description
Watts 0556004 LLL100XL 150 3/4″ Temperature & Pressure Relief Valve 105000 BTU 150 PSI automatically releases excess water temperature or pressure from compatible water heating equipment. When either condition reaches the valves specified threshold the internal mechanism opens to discharge heated water or relieve pressure from the connected system. Installed along the water outlet and piping assembly, it operates with boilers, water heaters, and related heating equipment in HVAC systems. It supports controlled pressure relief, temperature management, equipment protection and safer water heating operation.
