Hot Water Heater Relief Valve Extension

Cut the new pipe to length.

Hot water heater relief valve extension.

All pressurized non storage type water heaters shall be provided with a pressure relief valve installed at the hot water outlet with no shut off valve between the heater and the relief valve. Temperature and pressure relief valves shall be installed so that the sensing element of the valve extends into the heater tank and monitors the temperature in the top 6 inches of the heater or tank. Use the first wrench to hold the tpr in place when you use the other to unscrew the drain pipe. Cut lengths of cpvc pipe to match the ones you re replacing as long as they extend to within 3 inches of the floor.

If the water heater thermostat fails to turn off at its temperature setting and continues to heat the water indefinitely the tpr valve will open and let the overheated water out. 98 0 99 oz 70 99 70 99. Connect the pipe and elbow to the pressure relief valve. But if the termination of the piping is not readily visible such as if it is located under the house the water will continue to drain until the homeowner gets an.

Place one wrench on the tpr valve to prevent the valve from moving a pipe wrench works well. Connect the relief valve to the opening in the water heater with a pipe wrench or an adjustable wrench measure the distance from the relief valve to the floor.