Hot water insufficient

Discussion in 'Water Heater Forum, Tanks' started by 123peanut, Jan 4, 2010.

  1. 123peanut

    123peanut New Member

    Messages:
    3
    Location:
    California
    My son is having a problem getting enough hot water. He has an older gas water heater that had been working fine until a couple of weeks ago, could not get enough hot water without turning the temperature control all the way up. I'm thinking it may be the thermocouple ? I had a similar problem a few years ago but it turned out to be a leak in the hot water line under the slab. I have also had the thermocouple problem as well.
  2. Redwood

    Redwood Master Plumber

    Messages:
    7,450
    Location:
    Connecticut
    It's not a thermocouple...

    It could be another slab leak is the water heater running almost constantly even when hot water is not being used?

    it could be a bad t-stat as well
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,313
    Location:
    New England
    What is the temperature of the water when first used? Is this electric or gas? If it starts out okay and quickly cools off, it could be cross-over - the dip tube could be broken up and essentially no-existent. How old is the unit?
  4. Redwood

    Redwood Master Plumber

    Messages:
    7,450
    Location:
    Connecticut
    Could be a bunch of stuff...
    But not the thermocouple...
  5. 123peanut

    123peanut New Member

    Messages:
    3
    Location:
    California
    Thanks for all the suggestions. Whatever the problem was, it has stabilized and he does not want to pay someone at this point to inspect it.
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