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Not enough hot water

JW2023
JW2023 Member Posts: 4
in THE MAIN WALL
Recently our hot water only lasts a few minutes then runs cold wait a while and then it's hot again.

Comments

  • GGross
    GGross Member Posts: 1,425
    Tankless?
  • mattmia2
    mattmia2 Member Posts: 11,877
    Broken dip tube if it is a conventional hot water heater
  • Zman
    Zman Member Posts: 7,611
    @JW2023, Throw us a bone here. What type of water heater? Is this a single-family res or an apartment building? Does it occur in all fixtures or just one?
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
  • JW2023
    JW2023 Member Posts: 4
    We have a 4400 wood master outside stove
  • JW2023
    JW2023 Member Posts: 4
    It is a single family house it occurs in the kitchen sink and in the bathroom also so whole house
  • mattmia2
    mattmia2 Member Posts: 11,877
    So it is a tankless coil?
  • JW2023
    JW2023 Member Posts: 4
    No coil just a tank it's an outdoor wood furance tied into hot water baseboard in the house
  • Big Ed_4
    Big Ed_4 Member Posts: 3,126
    :) Maybe you need more wood ... Normally the hot water and boiler water is seperated. If there is only one unit your hot water is heated though a tankless coil .

    There was an error rendering this rich post.

  • Larry Weingarten
    Larry Weingarten Member Posts: 3,744
    Hi @JW2023 , Have you checked for a crossover in the piping? Is there a tempering valve that's scaled up? I'd like to see a photo of the wood furnace piping connections and surrounding piping... By the way, checking for a crossover is pretty easy. Just shut off the cold supply to your heater and open a hot tap. It should stop running in seconds. If it doesn't, cold water is getting in someplace.

    Yours, Larry
  • Big Ed_4
    Big Ed_4 Member Posts: 3,126
    Good tip Larry

    There was an error rendering this rich post.

    Larry Weingarten

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