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  1. #1
    Join Date
    Dec 2003
    Posts
    73
    I have read somewhere that it is not a good idea to run a condensate drain pipe into a vent. The obvious reason is that vent fumes might eventualy get into the air handler.
    What about running the the drain line from a condensate pump into the attic vent pipe, is that commonly done, and is it acceptable?

  2. #2
    Join Date
    Feb 2005
    Posts
    1
    yes you can run from pump becase there it a litte ball in the pump where the tubing goes so nothing will go back in pump

  3. #3
    Join Date
    Nov 2002
    Location
    emerald city, sc
    Posts
    1,469
    check with your local codes. we can run the lines into a vent providing the unit is 3 tons or less in size, and it cannot be a tight seal where the drain enters the vent. we don't do it simply because if the trap dries up it will be possible to get an odar from the vent pipe.
    i wanted to put a picture here

  4. #4
    Join Date
    Jun 2004
    Location
    Florida
    Posts
    556
    We can't deposit condensate into a sewer system here. The county would have to treat all of that water.

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