8G50NVH water tank used White Rodgers 927 Thermostat lost function

Discussion in 'Water Heater Forum, Tanks' started by laoadam, Dec 31, 2020.

  1. laoadam

    laoadam New Member

    Joined:
    Apr 3, 2020
    Location:
    Ontario, Canada
    The White-Rodgers-37E73A-918-Intelli-Vent-Control on my water tank had been changed two times in the past 6-7 years, and it is not control the temperature again. The hot water becomes too much hot than usually, is this normal ? or what's the problem? Can do any repair on it?

    Thanks
    Adam
     
  2. phog

    phog Active Member

    Joined:
    Jul 29, 2017
    Location:
    Rochester NY
    It's hard to say why this is happening. It is normal for temperature to fluctuate within about a 5-7 degC band, is it possible that this is what is happening? Perhaps consider installing a thermostatic mixing valve on the hot water outlet. It has its own thermostat dial & will automatically mix cold water in with the hot to keep a consistent temperature in your hot water pipes. This way it doesn't matter so much if the tank temperature fluctuates.
     
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  4. fitter30

    fitter30 Well-Known Member

    Joined:
    Feb 2, 2020
    Occupation:
    Retired service tech
    Location:
    Peace valley missouri
    Check the ground wire in the breaker panel and might add a surge protector for that circuit.
     
  5. laoadam

    laoadam New Member

    Joined:
    Apr 3, 2020
    Location:
    Ontario, Canada
    Thanks.
    Seems the thermostatic mixing valve can mix cold and hot water instead of control the temperature inside the hot water tank? what I worry is what bad thing can happen if the temperature inside too high.
    Also, is that possible to DIY a control board by Arduino to replaced the Rodgers 927?
     
  6. laoadam

    laoadam New Member

    Joined:
    Apr 3, 2020
    Location:
    Ontario, Canada
    Thanks.
    I'll do it.
     
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