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Thread: Water hammer issue

  1. #1
    DIY Junior Member dj_poop's Avatar
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    Default Water hammer issue

    I have a water hammer issue that I cant seem to solve. I have installed the hammer arrestors in between the washer and the faucet. One thing I did notice was if I turned the cold water inlet off to the hot water tank the hammer seems to be gone. We only wash with cold water so this seems vary strange. Any help with this issue would be greatly appreciated.

    Thank you

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Did you put hammer arresters on both the hot and cold at the WM? Does it only happen when doing laundry?
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    DIYer, not in the trades LLigetfa's Avatar
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    Are you sure it is water hammer and not just the heat traps clunking?

  4. #4
    DIY Junior Member dj_poop's Avatar
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    I only have the hammer arrestor installed on the cold line, and if I turn the kitchen faucet off quickly I can reproduce the sound.
    I am not sure how to tell the difference between water hammer and the heat traps clunking.

  5. #5
    DIYer, not in the trades LLigetfa's Avatar
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    Quote Originally Posted by dj_poop View Post
    I am not sure how to tell the difference between water hammer and the heat traps clunking.
    Heat traps clunking would be loudest at the HWT.

  6. #6
    DIY Junior Member dj_poop's Avatar
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    Ya the clunking is the loudest at the HWT and doesnt seem to come from anywhere else, is this a fixable issue?

  7. #7
    DIYer, not in the trades LLigetfa's Avatar
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    The most prescribed remedy is to remove them.

  8. #8
    DIY Junior Member dj_poop's Avatar
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    How do I remove the heat traps? is it hard and better left to a plumber or can I handle it?

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