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  1. #1
    Join Date
    Feb 2006
    Location
    Las Cruces, NM
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    1
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    Hmm

    I just moved into a new home with a roof mounted 12SEER Comfortmaker unit. Everytime the burner kicks in there is there annoying high pitched squeal coming from the walls where the gas line runs.

    Any suggestions on what could be causing the noise in the gas lines and a possible fix?

  2. #2
    Join Date
    Mar 2001
    Posts
    1,213
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    noise

    Call a service person ASAP. It may not be the gas lines, but take no chances!

  3. #3
    Join Date
    Dec 2001
    Location
    Chicago, N/W burbs
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    8,011
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    could be a regulator problem either at the furnace or the meter, and you hear it through the pipes.
    R2B4BTU

  4. #4
    Join Date
    Mar 2005
    Location
    burlington county n.j.
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    9,789
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    see if noise is worse down by gas meter if it is call gas co. if not call heating co. have heard some gas meters that were very LOUD.

  5. #5
    Join Date
    Apr 2002
    Location
    NW Indiana
    Posts
    1,631
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    I'm curious, would you know if the gas piping happen to be
    C.S.S.T.? (corrigated stainless steel tubing)

    In any event it is something you will need to call some people in.


    "The Bitterness of poor quality remains long after the sweetness of low price is forgotten"

  6. #6
    Join Date
    Feb 2004
    Posts
    2,521
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    Ask installer to check connector size at unit...may be undersized or if at meter may be regulator.

  7. #7
    Join Date
    May 2004
    Location
    Rapid City, SD
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    7,417
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    I'd put my money on a flex line that's too small.
    As someone mentioned earlier on this site, they call them the "moose call".

    No matter what you need to have it checked out, your safety is worth it.
    "If you call that hard work, a koala’s life would look heroic."

  8. #8
    Join Date
    Jun 2003
    Location
    New Hampshire
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    As others have said, undersized corrugated stainless steel tubing (CSST).

  9. #9
    Join Date
    Aug 2004
    Location
    S.E. Pa
    Posts
    6,366
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    Cool undersized gas lines

    Whistling is usually caused by gas lines undersized for the load. CSST is notorious for this simply due to the corrgugations but copper and iron will do it, too. Have a technician not only check it out but assess the meter's Cubic Foot per Hour rating compared with the total BTU load on the house and check the regulator at the meter. If this is a medium pressure system, there will be a regulator indoors to check as well.
    HTH

  10. #10
    Join Date
    Jun 2000
    Location
    WYO
    Posts
    2,019
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    Elk make the same sound. Not Moose.

    Sounds like,
    Wherrrrrhhheeeeeeeeeeeeeeeeeeeeeerrrrrreee.
    Too small of corregated gas line.
    never say never

  11. #11
    Join Date
    May 2004
    Location
    Rapid City, SD
    Posts
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    Oh yeah? Maybe it was a sick moose! lmao
    "If you call that hard work, a koala’s life would look heroic."

  12. #12
    Join Date
    Mar 2001
    Posts
    1,213
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    noise

    I only make that sound on special occasions.
    - high pressure, small orifice!

  13. #13
    Join Date
    Feb 2006
    Posts
    4
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    whistling gas lines

    are the gas lines the stainless flex lines like gastrac or tracpipe? if the line is too small then it will definitely whistle with gas trac or tracpipe, also if there is a valve partially closed, also, I have seen houses piped with steel pipe and the gas flex connector be too small and whistle, so check all of those

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