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Hot water temp low

I have an oil fired peerless boiler with tankless coil. Just recently I have had a drop in to water temp in house. The pressure level is fine but temp is waaay to low. The coil was just replaced 1 month ago. The water is very hot coming out of the coil but cools drastically on way to and through coil. As a result ; the hot water temp is cold rather than hot. What could it be


  • pipekingpipeking Member Posts: 252

    "the water is very hot coming out of the coil then cools drastically on the way to and through the coil". can u rephrase your question, i don't fallow?
  • RobGRobG Member Posts: 1,850
    Mixing Valve?

    It sounds like you may have a bad or improperly piped mixing valve. Can you post pictures?

  • heatpro02920heatpro02920 Member Posts: 991
    Cold everywhere...

    Mixing valve issue for sure...
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