Water Heater Pressure Relief Valve Extension Pipe

Pcoulter patrick coulter april 25 2019 7 03pm 1.

Water heater pressure relief valve extension pipe.

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

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. Cut lengths of cpvc pipe to match the ones you re replacing as long as they extend to within 3 inches of the floor. 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 amazing electric or gas bill and goes searching for the reason. Cut the new pipe to length.

I explain that it was routed to a drain to prevent a mess if it discharges but that you would want to see water on the floor if it was dripping or pressure had blown off so that you know there is a. If temperature sensors and safety devices such as tprs malfunction water in the system may become superheated exceed the boiling point. Use the first wrench to hold the tpr in place when you use the other to unscrew the drain pipe. Pressure relief valve extension.

Place the other wrench on the drain tube. I always advise the client that the pipe should be copper and should terminate about 6 inches from the floor. Connect the pipe and elbow to the pressure relief valve.