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Thread: hot water luke warm in morning when heat kicks on

  1. #1

    Default hot water luke warm in morning when heat kicks on

    Hi -

    We have an upstairs shower/bath combo and the hot water is luke warm at times even with the knob turned all the way to hot. We have a new hot water heater and a new tub/shower. We had this problem even with our old tub/shower and old hot water heater. Could it be a gas issue? I haven't tested - but this problem seems most prevalent in the morning - when our heat goes up to 70 (after being at 60 all through the night). But that's also when we take most of our showers - in the morning - so I don't know at what times of the day we exactly have this problem. Sometimes the water seems to be hot and "normal" - othertimes - just luke warm.

    Our hot water heater temp is within normal range - in fact it was turned up a bit so our dishwasher works better.

    I don't know if this water temp thing is throughout the whole house but of course we just seem to notice it in the shower.

  2. #2
    DIY Senior Member TedL's Avatar
    Join Date
    Sep 2006
    NY Capital District


    Does the person taking the first shower in the morning experience the problem in the first two minutes of the shower?

  3. #3


    we experience the problem during the entire duration of the shower - i.e. it never gets much warmer than luke warm even if you've been in the shower after 5 minutes. but other times of the day, you can turn the shower on and it will be normal as expected (hot enough for a hot shower).


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