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The relief val wont shut off on the water heater...

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Try to take hammer an tap on front of the tip to stop water i

Posted on May 16, 2010

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1 Answer

Rheem water heater leaking water from relief valve pipe


the relief valve is replaceable . if it isn't leaking I would not worry about it

Feb 19, 2016 | Rheem Water Heaters

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Water dripping from blowpipe


It is normal for water to drip out sometimes from the pressure relief valve outlet pipe. If it drips continuously then open and shut the pressure relief valve several times so the pressure relief valve shuts off properly.
If this does not fix the dripping problem then the pressure relief valve is faulty and needs to be replaced.

Apr 02, 2013 | Water Heaters

1 Answer

Atwood Hot Water heater wont' shut off


sounds like defective thermostat/gas valve

Aug 05, 2012 | RTO Atwood Water Heater - 6 Gal LP

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WATER KEEP RUNNING OUT OF THE RELEASE VALE


you can go to get another relief valve because if its dripping its probably bad. if you have a clark supply center nearby, you can get one there! or another plumbing place or water heater supply. you may have to drain out some water to bring the level below the valve. Shut off the power to water heater. If electric, turn gas to pilot setting, if a gas water heater. Cut off water supply to water heater as well. It is not necessary to drain the entire tank. Open a hot water faucet, drain water from tank, drain for approximately three to five minutes. Prepare the new relief valve with Teflon tape. Unscrew the relief valve counter-clockwise with a wrench to remove.
Turn the water supply back on to water heater. Make sure water is running from the open faucet before turning the power back on. good-day!

Mar 28, 2012 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

I have a 21v407 Rheem water heater that is leaking from the top relief valve. The leak i believe, is from under the valve. what is this problem. and how do u drain this thing?


Shut off the water supply valve over the heater. Shut off the electric or gas to the heater.
If you have any house or basement water valves below the level of the heater, open them and open a valve that is higher to vent it.
If necessary, open the drain at the bottom of the heater and using hose or buckets, lower the level below the relief/thermostatic valve. Be careful, the water is hot and softens even heavy hoses.
Once the water level is down, unthread the downtube (if there is one) from the discharge of the relief valve, unthread the relief valve from the heater and either dope/tape the threads or replace the relief valve.

Write back with any questions.

Sep 09, 2011 | Rheem Water Heaters

1 Answer

Pressure releif valve leaking


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.

  • 3

    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.

  • 4

    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.


  • Now with all that said if you have a closed loop water supply system and you have a pressure vessal/expantion tank it may have gone bad and is making the TP valve leak. you can call your water provider to see if you have closed loop system.

    Feb 04, 2011 | Whirlpool Water Heaters

    1 Answer

    Water heater fires and runs for 2 or 3 minutes and then cuts off.It tries to refire 2 or three times but wont .Red light inside comes on as if it is out of gas.I changed the T-stat and ECO and it still...


    First of all, lets see if water is hot already by releasing pressure relief valve slightly and seeing if water is already hot.BE CAREFUL NOT TO SCALD YOURSELF! Shut water pressure off, first, but be aware it will still be under pressure at first.. Just hold a cup, or something under it and open it up slightly, or at least feel pressure relief valve to see if it feels warm/hot to touch. May just be by-pass not set properly in back of water heater. Let me know if hot from pressure relief at outside on heater.

    Dec 23, 2010 | RTO Atwood Water Heater - 6 Gal LP

    1 Answer

    If main water supply line is shut off and thermostat is turned up on my gas water heater could relief valve open ?my girlfriend was taking a bath and told me the water pressure was weakening and water...


    pressure would go down any time the water is cut off. Temp went down no make up water relief went off cause you turned it up. put it back and put the main back on.

    May 09, 2010 | Water Heaters

    1 Answer

    Gas water heater is discharging out the pressure relief valve? what problems do i have?


    The water heater is over heating the water, possibly boiling it and causing steam pressure build up. The thermostat is not sensing the temp to shut off the flame. It would be wise to either have a repairman come out or replace the heater. If pressure builds too high and the relief valve cand keep up ,theer could be a rupure of a water lineSoooooooooooo, turn the gas off and git er done.

    Nov 09, 2009 | Rheem 50 Gallon FVR NATGAS Water Heater...

    1 Answer

    Water is flowing continually from the relief valve of my Rheem water heater. What can I do and can I turn the water off?


    Is the relief valve in the open position, try closing the relief valve.
    To shut the water off you have to shut the main water supply off were it comes out of the floor in your basement.

    Aug 15, 2009 | Water Heaters

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