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Thread: what is this?

  1. #1
    Mark Krajcar's Avatar
    Mark Krajcar Guest

    Default what is this?

    White powdery stuff on the cold water copper pipe. My guess is that is mineral deposits from a tiny leak at the joint.

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  2. #2
    Join Date
    Mar 2007
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    Default Re: what is this?

    Quote Originally Posted by Mark Krajcar View Post
    White powdery stuff on the cold water copper pipe. My guess is that is mineral deposits from a tiny leak at the joint.
    Likely, yes

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  3. #3
    Join Date
    Feb 2009
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    Southern Vancouver Island
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    4,546

    Default Re: what is this?

    The cheap brass fitting probably has a pinhole in the casting there.

    John Kogel, RHI, BC HI Lic #47455
    www.allsafehome.ca

  4. #4
    Mark Krajcar's Avatar
    Mark Krajcar Guest

    Default Re: what is this?

    Thank you for the redponses!


  5. #5
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    Bennett (Denver metro), Colorado
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    Default Re: what is this?

    I see this constantly around here. Water is "eating" its way out from the inside off the valve. In the past when I was trying to figure out how big a problem these were, I would knock the blisters off. Several times, water started dripping out. It can take many years for these blisters to finally start leaking, but they are still ticking timebombs even if slow ones.


  6. #6
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    Default Re: what is this?

    When I see these, the brass fitting was probably made in China. I have seen more failures in brass fittings from China than Carter has pills. Spend the extra 50 cents and get one made in America

    Quote Originally Posted by Lon Henderson View Post
    I see this constantly around here. Water is "eating" its way out from the inside off the valve. In the past when I was trying to figure out how big a problem these were, I would knock the blisters off. Several times, water started dripping out. It can take many years for these blisters to finally start leaking, but they are still ticking timebombs even if slow ones.



  7. #7
    Join Date
    May 2009
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    Washington State
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    Default Re: what is this?

    Quote Originally Posted by Craig Barr View Post
    When I see these, the brass fitting was probably made in China. I have seen more failures in brass fittings from China than Carter has pills. Spend the extra 50 cents and get one made in America
    Better explain who "Carter" is Craig, there's lots of young'uns on here !


  8. #8
    Join Date
    Jul 2008
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    Utah
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    389

    Default Re: what is this?

    Quote Originally Posted by Lon Henderson View Post
    . . . . but they are still ticking timebombs even if slow ones.
    Time-bomb may be a bit harsh.


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