Remove Hot Water Heater Pressure Relief Valve

Close the shutoff valve on the cold water inlet line that fills the water heater.

Remove hot water heater pressure relief valve.

During an early spring rv trip the hotwater pressure relief valve would not stop leaking. Proper maintenance should include periodic testing of this valve. Step 2 remove the valve. Then take your wrench and place it over the water pressure relief valve.

All water heaters have a safety valve designed to release excess pressure from the tank in the event that the water gets too hot. If it is remove this using a screwdriver. To remove a t p valve first turn off the electricity or gas and wait for the water to cool which usually takes about 24 hours open a hot water faucet near the heater to release pressure and drain the tank until the water level is below the valve disconnect the overflow tube you may have to cut it and unscrew the valve with a wrench wrap plumbing tape around the threads of the freshly. The pressure relief valve is an important safety component of a water heater and a malfunction can have disastrous consequences.

If you open the drain valve at the bottom of the water heater and open the pressure relief valve and or the hot water side of a faucet water should drain out. Here s how to replace a water heater temperature pressure relief valve. The second reason a water heater relief valve leaks is the water has gotten too hot if the temperature of the water in the water heater reaches above 210 degrees f the relief valve will leak or even blow off this is why the outlet of the relief valve must be piped to about 6 inches from the ground you would not want to get a blast of 210. This valve often called a tpr valve prevents the tank from building excess pressure.

I flipped the control lever open and let it snap shut several times but the leak continued. In this video i explain. I forced air into the tank by turning off the water connection opening the relief valve then opening the hotwater faucet at the kitchen sink. 1 shut off the cold water to the water heater and gas or electricity that heats the water heater.

Turn it slowly anti clockwise until it comes away from the water heater. Or maybe it is an intermittent leak. How to replace a water heater t p relief valve. Check that the valve is not pinned to the water heater by a brace.