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  1. #1
    Join Date
    Jun 2008
    Posts
    72

    moisture drain to pipe even when heater is on?

    I had my Trane installed in August http://hvac-talk.com/vbb/showthread.php?t=178378

    just start to have heat on, everything seem to work

    but I notice the drain pipe continue to drain water not sure if that is suppose to happen? I know when A/C is on it pulls moisture... but does this also happen when the heat is on? By the way, it's not raining outside just a little chilly.

    I just happen to look at my sump pump when I notice the drip of water.

    just want to check with you guys before I call for service.
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  2. #2
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,613
    90% furnace drops much of the flue gases below the condensing point so puts out as much water as an A/C running so you're seeing normal operation.

  3. #3
    Join Date
    Jan 2004
    Location
    PA
    Posts
    68,795
    yep. You got a condensing furnace. So you will have condensate.
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    How many times must one fix something before it is fixed?

  4. #4
    Join Date
    Apr 2008
    Location
    Alberta Canada
    Posts
    2,246

    Wink You Learn something everyday

    It will also depend on ambient temperature outside. The colder it is the more moisture it will produce.
    Do it right the first time.

  5. #5
    Join Date
    Jun 2008
    Posts
    72
    thank you for the reply guys. You have saved me a service call!

    I wonder if the little water that drain out is "warm" I guess there is just one way to found out. j/k

    thanks again!

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