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    oddreyes48's Avatar
    oddreyes48 Posts: 1, Reputation: 1
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    #1

    Sep 17, 2007, 06:45 PM
    Water hammer
    How do I fix the problem "water hammer"
    doug238's Avatar
    doug238 Posts: 1,560, Reputation: 62
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    #2

    Sep 17, 2007, 08:58 PM
    Depends, what kind of pipe? Where is the noise? Is it a loud thump or more like a ratatatat ? Does it do it with the toilet stops turned off?
    biggsie's Avatar
    biggsie Posts: 1,267, Reputation: 125
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    #3

    Sep 17, 2007, 10:54 PM
    Water hammer happens when you turn OFF a water flow suddenly!!

    I think the best way to explain this is at a washing machine there are 2 valves

    The hot and cold water valves should have a tee that has a valve out from wall

    There should be a pipe that extends up above the tee, about 1 foot and is capped

    When washer needs water the valve in washer opens and fills machine

    When the valve shuts off water tries to rush into hammer

    But it meets an air pocket that silences the noise

    Water Hammer & Plumbing Pipe Noises
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