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

    Nov 17, 2012, 06:26 PM
    Plumbing Questions
    My cold water pipes Groan and vibrate. What causes this?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Nov 17, 2012, 06:47 PM
    Only the cold? Could be the pressure reducing valve for the house. Next time you hear it, grab the Valve, usually located where water enters house, and see if it is vibrating. Can also be caused by deteriorating globe valve or even a toilet ballcock or float valve.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Nov 18, 2012, 08:14 AM
    Brian gave you a bunch of things to check, Here's what a PRV valve looks like, It's located in the basement where the water service enters your house. Good luck and let us know what you find. Tom
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    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Nov 18, 2012, 05:04 PM
    Quote Originally Posted by speedball1 View Post
    Brian gave you a bunch of things to check, Here's what a PRV valve looks like, It's located in the basement where the water service enters your house. Good luck and let us know what you find. Tom
    Someday, when I'm older, maybe 72(next year!) I'll learn to post pictures. Thanks, Brian
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