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I have an AO Smith Model EES 52 917 hot water heater. This morning my hot water suddenly disappeared. I have tried resetting the breaker with no luck.. I am not sure what else to try.

Posted by erikafloyd on

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1 Answer

Anonymous

You have electric water heater.

Inside the upper panel on water heater is a thermostat with red reset button.
1) Click the reset.
2) Put insulation back over thermostat so it is not exposed to cooler air, so it reads correct temperature.

After resetting thermostat, you will have hot water.
The reset automatically clicks off when thermostat detects temperatures in excess of 150 degrees.
The re-set is a safety device, and it keeps everything safe.
If reset will not 're-set' with cold water in the tank, then thermostat is bad, replace thermostat.
You can repair electric water heater yourself following steps on links below

http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html

If the reset clicks off again, just reset it
This is not a dangerous situation
Reset thermostat as many times as necessary until you can fix the problem

If you have trouble fixing the problem, add a comment at bottom of this page and it sends me an e-mail and I will help further

I have an AO Smith Model EES 52 917 hot water - f749bbd.jpg
Thermostats with ECO red reset

Posted on Oct 26, 2010

  • 3 more comments 
  • erikafloyd Oct 26, 2010

    I tried the reset switch with no results. The water heater has two thermostats, an upper and lower, which one would need replacing?

  • Anonymous Oct 26, 2010

    The lower thermostat cost a few dollars more, so buy them both.

    I will be back at my computer around 10CST, and will look for your e-mail if you have problems.

    The instructions on the 2 links above are complete, but water heaters have new surprises.
    Don't forget to take a photo of your thermostat wiring so re-connection is EZ.

  • catdaddymomm Feb 04, 2011

    I just moved into a foreclosure home. the house been sitting for about 8 months. the water in the tub and shower on both sides of the home is barely coming out. The water does not get hot in any of the sinks as well. I have an electric water heater model number EES 52917. Can someone give me some advice please

  • Anonymous Feb 04, 2011

    It sounds like 2 problems. Hot water heater not heating, and low pressure. Link on answer above goes to troubleshooting for water heater not heating. For low pressure, open next link:http://www.fixya.com/support/t7884953-am...

  • Anonymous May 13, 2011

    upvote the answer

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