Water temperature fluctuates

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by rhliberman, Feb 21, 2007.

  1. rhliberman

    rhliberman New Member

    Messages:
    21
    We purchased a new GE 50 gallon gas water heater 2 years ago. We've noticed, while showering, that the water temperature fluctuates and we have to keep adjusting the hot/cold faucets. We do not run out of hot water; the temperature just will not stay the same. I drained it exactly one year ago. It is not making any loud noises.

    We are not experiencing this problem in any other bathroom or sink and it is not related to flushing the toilet.

    Any ideas? Thanks!
  2. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,397
    Location:
    Yakima WA
    Maybe the dip tube. Easy to check. It's a 5/8" tube with a flared end locater right under the cold water intake nipple. Remove the nipple and you can pull the tube out. It should run to the bottom of the tank. If it is broken, You're only getting hot water from the top of the tank. A new on costs about $6 at a plumbing shop. Box stores and hardware stores usually don't stock them because they don't sell that many. If this is the problem, don't worry about the broken piece, you can't get it out and it won't hurt anything.
  3. rhliberman

    rhliberman New Member

    Messages:
    21
    But if the problem does not occur at any other faucet...

    Could it be the water heater if the problem does not occur anywhere else in the house?

    Thanks
  4. TedL

    TedL New Member

    Messages:
    604
    Location:
    NY Capital District
    Sounds like you've got a temperature regulating shower faucet that's not working properly.
  5. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,397
    Location:
    Yakima WA
    The valve is the most likely problem, the dip tube shouldn't fail this soon, but is the easiest to check and eliminate.
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