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The releif valve on my water heater was activated. Do I have to replace it or just wait until it cools off and then I can refill the tank. Kenmore Model # 153.333130

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It should reseal itself; however, sometimes the seal will leak. As long as it doesn't leak when you refill the tank, you will not have to replace it.

More information on Safety Relief Valves

Hope this helps
Please leave a rating.

Posted on May 09, 2010

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My Rheem electric hot water heater occasionally leaks water then stops completely. This has done this three times now over the pact couple years.


It sounds like TP valve is releasing water, but you don't describe where water is located.
Run through process-of-elimination check list on following link:
http://waterheatertimer.org/Leaking-water-heater.html

1) If problem is TP valve, event could be caused by 'stacking'
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Top part of heater is plenty hot because water heater is keeping up with hot water draw.
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2) TP valve could be going bad.
http://waterheatertimer.org/How-to-replace-TP-valve.html

3) Improper venting can cause gas water heater to have water on top of tank or dripping down inside tank where it shows on floor after rusting out combustion chamber.

4) Thermostats are old or not reading correct temperature.
Turn down thermostats:
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html
Replace gas valve on gas water heater, and flush tank.
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html
Replace electric water heater thermostats
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

5) Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

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1 Answer

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Check releif valve and make sure it is not running out of it. Sounds like the releif valve may be bad.

It's on the side of the water heater with a lever on it they are for safety reasons, they go bad from time to time. It may be piped through floor to a drain or outsude.

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control valve could be sticking open allowing gas to continue to flow until high limit is reached and shuts down valve another possible problem with the newer style back flow preventer being install by water companys the rapid heating and expansion of the water over pressures the water system causing releif valve to pop open and reclose most water heater manufacters are recommending instalation of an expansion tank to allow the growth in volume of water somewhere to go is valve constantly leaking or only during heating cycle if you could supply additional information does unit only leak when heating
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