Raritan Pressure Relief Valve - 75 PSI
Pressure Relief Valve - 75 PSI
Water Heater Pressure Relief valve. Water heater temperature and pressure relief valves, or T and ampP valves, are a safety feature found on all tank water heaters. It's designed to open temporarily and discharge short spurts of water when the temperature exceeds about 210 degrees F, and it releases pressure if the tank gets above 75 psi.