Water Heater Pressure Relief Valve Extension 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.

Water heater pressure relief valve extension pipe.

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. 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. Use the first wrench to hold the tpr in place when you use the other to unscrew the drain pipe. Pcoulter patrick coulter april 25 2019 7 03pm 1.

Tprs are designed to automatically release water in the event that pressure or temperature in the water tank exceeds safe levels. Connect the pipe and elbow to the pressure relief valve. Place one wrench on the tpr valve to prevent the valve from moving a pipe wrench works well. The pressure relief valve extension is plastic and has a couple of elbows leading it to a drain.

If temperature sensors and safety devices such as tprs malfunction water in the system may become superheated exceed the boiling point. Temperature pressure relief or tpr valves are safety devices installed on water heating appliances such as boilers and domestic water supply heaters. I always advise the client that the pipe should be copper and should terminate about 6 inches from the floor. Place the other wrench on the drain tube.

Pressure relief valve extension. 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. Cut the new pipe to length.