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  1. #1
    Join Date
    Mar 2007
    Location
    Charleston, WV
    Posts
    77

    Default Gurgling Condensate drain

    Can anyone tell me why I heard gurgling from the condensate drain line (at the furnace) while the furnace was in operation. It was similar to the sound you get if you blow through a straw into a glass of water.

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    Greg Jenkins

  2. #2
    Join Date
    Aug 2007
    Location
    Memphis TN.
    Posts
    4,311

    Default Re: Gurgling Condensate drain

    Greg,

    Restricted drain with no P trap.

    It Might have Choked Artie But it ain't gone'a choke Stymie! Our Gang " The Pooch " (1932)
    Billy J. Stephens HI Service Memphis TN.

  3. #3
    Join Date
    Mar 2007
    Location
    Fletcher, NC
    Posts
    28,032

    Default Re: Gurgling Condensate drain

    Quote Originally Posted by Billy Stephens View Post
    Restricted drain with no P trap.
    Or ... insufficient trap depth which is allowing the pressure in the unit to overcome the trap depth.

    Jerry Peck
    Construction/Litigation/Code Consultant - Retired
    www.AskCodeMan.com

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