Question about Rheem 50 Gallon FVR NATGAS Water Heater 6YR 22V50F1
Water pouring out of what I believe is a pressure relief pipe. This was several hours after I got it going. It is a copper pipe that runs down from the top of the heater and has no type of coupling on the end. The water was very hot. It was much more than a leak. We turned the heater off and shut the water off to the house before it would stop pouring out of the pipe.
Yes, you are correct it sounds like the pressure relief valve. It is an important safety device that lets water out of the water heater when temp/pressure exceed the limit set on the valve. It did its job good.
Now the important part is to change out the valve and try to diagnose why it tripped. Odds are the water temperature was too hot AND the relief valve couldn't close because of mineral deposit build up.
Replace the relief valve and turn the water heater down for starters.
Please rate this response and Good Luck, Phil
Posted on Jan 02, 2009
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Jun 22, 2014 | Rheem Water Heater Pressure Relief Valve
Apr 02, 2013 | Water Heaters
Hot water pressure relief valves serve two functions. The first is to remove high-pressure water from the hot water tank. The second function is to act as a high temperature valve to remove water that exceeds a predetermined point for the valve. Both of these relief settings are preset at the valve factory. Many pressure relief valves will come with a metal tag that identifies these release points. If you're attempting to remove the hot water heater pressure relief valve, pay careful attention to ensure that you replace with the correct valve.
Your hot water heater has a pressure relief valve safety mechanism. When pressure inside the water tank exceeds certain limitations, the valve opens up to allow the pressure to be released. A faulty pressure relief valve will not release excess pressure, which could cause extensive damage to your home. You should test the hot water heater pressure relief valve once every six months to ensure proper operation. If the pressure relief valve fails the test, replace the valve with a new one immediately
Locate the pressure relief valve on your hot water heater. The pressure relief valve has a lever handle on top with a drain pipe attached to it. The pressure relief valve is most often on the side of the water tank toward the top. Newer models of hot water heaters have the pressure relief valve on top of the water tank.
Inspect the area around the pressure relief valve for signs of leaking water. If there is leaking water near the relief valve connection, replace the relief valve. If no leaking is evident, proceed with testing the pressure valve.
Examine the area below the pressure relief valve drain pipe. Most water heater closets either have a drain in the floor below the pipe or the pipe is inserted into another pipe to direct the water out of the home. If the end of your drain pipe is not in another pipe or there is no drain in the floor, place a bucket under the drain pipe to catch water when you test the pressure relief valve.
Pull the lever handle on the top of the pressure relief valve up with your fingers. A working lever will lift up without difficulty.You should begin to hear water going through the drain pipe. Slowly release the lever to shut off the pressure relief valve. The pressure relief valve is good. If you did not hear water running through the drain pipe, lower the lever on the pressure relief valve and replace the valve. If the lever is difficult to raise, do not force the lever. Replace the pressure relief valve.
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