Water Heater Relief Valve Extension Pipe

The pressure relief valve extension is plastic and has a couple of elbows leading it to a drain.

Water heater relief valve extension pipe.

Yes part of the video i have the camera between my teeth lol you ca. I always advise the client that the pipe should be copper and should terminate about 6 inches from the floor. Temperature pressure relief or tpr valves are safety devices installed on water heating appliances such as boilers and domestic water supply heaters. 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.

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. Brush pipe joint compound on the threads on the tpr valve using the brush supplied with the pipe joint compound. Tprs are designed to automatically release water in the event that pressure or temperature in the water tank exceeds safe levels. How doers get more done.

Connect the pipe and elbow to the pressure relief valve. A trapped tpr dischage pipe is a common defect when a replacement water heater s tpr valve is lower than the original one and the installer connects to the exisitng discharge piping at the wall. 8 termination of the tpr drain pipe cannot be more than 6 inches or less than two pipe diameters above the floor ground or waster receptor flood rim level. Step 2 hold the tpr valve with the slip joint pliers.

Place the other wrench on the drain tube. 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 the new pipe to length.

If temperature sensors and safety devices such as tprs malfunction water in the system may become superheated exceed the boiling point. Thread the tpr valve clockwise into the pressure relief fitting on the water heater and tighten it by hand until it is tight. Pcoulter patrick coulter april 25 2019 7 03pm 1. 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 problem.

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