Question about Rheem Water Heater Pressure Relief Valve

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How do you replace the pressure relief valve on a rheem 22v50f1

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017


SOURCE: how to replace a faulty pressure relief valve on

Open following link to see step-by-step.
BE CAREFUL, tank must be turned OFF and water COOL before removing TP valve.

Posted on Feb 15, 2011


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Pressure relief valve intermittent noise

check your water pressure and then make sure it is not to high or all the problems you have had were not the answer. it is a pressure /temperature valve not just . temp.

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What is the cavity size for the relief valve that I need Model 22V50F1

TP valves screw into 3/4" opening.
End of probe MUST extend into upper part of tank, and cannot be located on pipe away from main body of heated water.

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Water dripping out of drain line on my Rheem Water Heater

The T & P valve is connected to the drain and it may be bad causing it to drip. You could try lifting the lever and then closing it back on it to see if it will seal. Also check the thermostat for heat setting, but than likely it is going bad.

It is a pressure relief valve and normally last about 5 years or more before they need to be replaced. The purpose of this valve is to protect heater from building up pressure and protecting the home, It releases water once the heater reachs beyond the limit of the valve can handle.

It is a standard 3/4" thread and can be removed with a pipe wrench. Just turn power, water off and drain water down to just below where the drain is.

Lowes or Home depot shoul dhave one just ask for a pressure relief vakve for a Hot Water Heater. prices range around $15.00.

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Leaking relief valve on hot water tank

It is 3/4 threads and it can be replaced any hardware store should have one. It may require a pipe wrench to break loose. they do go bad from time to time.

Shut water off and drain water down below relief valve opening and break loose to replace..

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The pressure relief valve only leaks when there is excess pressure in the system, possible causes could be excessive static pressure, overheating, faulty pressure vessel or undersized pressure vessel.

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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.

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I have a Rheem 41V50N and water is leaking from the bottom do I definitely have to replace it?

Check to make sure that the leak is not from the drain or the pressure relief valve, otherwise it is time to replace....

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1 Answer

The pilot was out this morning and after I got it started, I got

Hi jeake9,

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

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