hot water in cold line

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  • This topic has 9 replies, 5 voices, and was last updated 19 years ago by racefanone.
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    • #276767
      Michael

      recently I am getting a burst of hot water when the cold is turned on in two (sharing a wall) bathroom faucets. After about three seconds it turns cold. Also, I have a dripping sound, as if water is trickling, inside my water heater. (5year old GE) Also, as if this wasn’t enough, I feel a warm spot on the tile directly in front of one of the sinks (concrete slab). I know its time to call a plumber but I wanted some feedback first. Thanks!

    • #294748
      Retired plbg1
      Participant

      What fix. is the water mixing on, what kind water heater Gas Or El. warm spot in fl. sounds like leaking hot water pipe. Turn main HW off for awhile and see if fl. gets cool. If you have small thermometer lay it on the hot spot and see if it goes down.

    • #294749
      gntune
      Participant

      water heater is gas. The fixture is an old single handle. water supply is copper. thanks.

    • #294750
      johnws
      Participant

      Is there a tempering valve installed? Sometimes if the cold supply to the bathroom is taken off at the cold supply to the valve you can get a shot of hot water until the valve senses the change.

    • #294751
      gntune
      Participant

      there is no tempering valve, as far as I know. But then again, I wouldn’t know one if I saw it. The trickling sound in the water heater does stop when I turn off the supply line at the valve leading into the water heater.

    • #294752
      Retired plbg1
      Participant

      If you have two faucets back to back and both on same time well the first one on line will get most of water and the other will get the rest. The water heater sounds like a leak inside where flame goes up.

    • #294753
      Retired plbg1
      Participant

      I forgot does it do it when only one faucet is being used. Try using one and see. If so then water is bypassing somewhere.

    • #294754
      racefanone
      Participant

      RP, you crack me up

    • #294755
      Retired plbg1
      Participant

      Racefanone why dont you answer the question, are can you.

    • #294756
      racefanone
      Participant

      That should be “or can you” ,not” are can you.”It’s obvious you can’t answer it.I quit answering the questions because I enjoy reading you screwy replies.You need to take basic English 101.Hope you get to read this before it is deleted.

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