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  1. #1
    Join Date
    Oct 2011
    Location
    Harrisburg, NC
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    Speaking of Leaks...

    This one was not as difficult to find as the other thread, but I wonder what caused it.

    The lines were in a chase in the floor, the only line set in the chase.

    The install was only 3 1/2 years old.

    Any ideas?

    Leaking section pulled out of the pit.
    Attachment 247431

    Liquid and Suction.
    Attachment 247441

    Liquid Before Cleaning.
    Attachment 247451

    Attachment 247461

    Liquid After Cleaning.
    Attachment 247471

    Attachment 247481

    Attachment 247491

    Attachment 247511

    I can't fix it if it won't stay broke..

  2. #2
    Join Date
    Feb 2012
    Location
    PA
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    27
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    i would guess that the installer pulled the lineset like it was a pice of BX cable and wore the copper down, or there's a high acidity content in the air.. Had an account at a land fill once and we had to paint all the exposed copper and order everything with coated coils or it would look just like that within a year. Turned out that it was due to the ambient air quality being so poor.

  3. #3
    Join Date
    Oct 2011
    Location
    Harrisburg, NC
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    It was not worn, it was pitted and corroded only in about a 12" section. the rest of the 50' that was under the floor was fine.

    I can't fix it if it won't stay broke..

  4. #4
    Join Date
    Jan 2007
    Location
    Stongsville Oh
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    1,171
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    That used to happen to copper at a steel mill I used to do service at. It was common practice to use hose to pipe up split systems. We had a machine to put aluminum flare fitting on the hose. The air was so bad a brazed joint would corrode away in less than a year. I laughed when I first got there until I saw it for myself. My job was constantly repairing leaks and changing coils. Even coated coils that looked like they would never leak when they were brand new, a year later they looked like crap.
    ckartson
    I didn't write the book I just read it!

  5. #5
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,825
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    who's been peeing down the line chase???

  6. #6
    Join Date
    Mar 2007
    Location
    NW AR
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    2,478
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    Hmm. Never seen pitting like that. Was this in residential?

  7. #7
    Join Date
    Jul 2009
    Location
    In a mechanical room....
    Posts
    1,900
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    Looks like electrolysis to me.
    “It takes courage to grow up and turn out to be who you really are.”

    - E.E. Cummings

  8. #8
    Join Date
    Oct 2011
    Location
    Harrisburg, NC
    Posts
    566
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    Wow.. didn't realize it had been so long since I had been on here. No, this was not residential, this was in a Market, in a chase in the floor going to a set of cases. When we pulled the lineset.. we wondered who had been peeing on the linesets as they were being installed.

    I can't fix it if it won't stay broke..

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