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Water way to hot

Green1 Member Posts: 2
I have a Vaughn top performer plus indirect fired hot water heater with a Burnham gas boiler. Vaughn has a consistent steady green light, I have both temperature adjustments set low and the water temperate is scolding hot, nothing changes. Have tried shutting down but it always comes up to the scolding temp. Any thoughts on what maybe causing this. Thanks


  • unclejohn
    unclejohn Member Posts: 1,833
    Bad tstat? Is the bulb in the well all the way. Do you have a mixing valve? If you don't I would recommend one.
  • Green1
    Green1 Member Posts: 2
    Thanks for confirming what I had thought, will need to replace asap. I will look into the mixing valve.