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Thread: Water Heater overheating and tripping breaker?

  1. #1

    Default Water Heater overheating and tripping breaker?

    It seems that our water heater, 50 Gallon, State Select, electric, is having some issues. The unit is only 6 years old.

    The other morning I noticed the water was excessively hot and later that same day the water was only luke warm and then not warm at all.

    I went out and notice a red button on the upper heating element (also has a lower water temp. setting) so I hit the red button and noticed the water getting warmer and hour or so later.

    This morning I noticed the water in the shower was excessively hot again so I turned off the breaker to the water heater before I left for work.

    The unit has 2 temperature settings, both were on the lowest settings.

    Could this be the temperature regulator going bad and not shutting off the heating element and then trips the breaker on the water heater itself when it gets to hot?

    Is this something I can fix with some replacement parts from Home Depot or Lowes? Or should I call in a professional?

    Thanks in advance

  2. #2
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Replace the thermostats. That is what is causing the water to over heat and trip the reset button.

    John

  3. #3

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    So there is a way to just replace the thermostats without having to replace the entire heating element?

    Thanks for the info

  4. #4
    Master Plumber Dunbar Plumbing's Avatar
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    If it is 6 years old, it might still be under warranty. Call the mfg. of the water heater and run the serial number and if it is...those parts are no cost to you.

    Upper thermostat controls the lower, the lower does the majority of the heating. Replace both the upper AND lower thermostats, check the elements for continuity.
    Read what the end of this sentence means.

  5. #5
    Master Plumber Redwood's Avatar
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    Have a look at this link it should help

    http://411plumb.com/electric-water-h...shooting-guide

  6. #6

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    Just wanted to say thanks for the help.

    The parts were under warranty and I installed them last night. Everything seems to be working this morning.

    Do the thermostats just get there reading from the back side against the tank?

    Thanks again.

  7. #7
    Plumber Cass's Avatar
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    The tank temp is sensed through contact of the back side with the tank....so the answer to your question is yes...

  8. #8

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    That's what I figured when I got into the process of switching them out. I was surprised that the temperature reading was that elementary, not a big deal, I just thought it would have been in the tank itself.

    Thanks again for the suggestions and help.

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