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  1. #14
    Join Date
    Jul 2004
    Posts
    322
    You might be able to adjust the temperature rise on the furnace and thereby increase the flue temperature and prevent condensation. That's just a blower adjustment but must be kept within an acceptable range.

  2. #15
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,706
    i would try to get a flex liner down thru chimney. would not be in a big rush to deal with ripping out asbestos pipe. any 80% furnace would have chance of same problem.
    if he had noticed it coud be a problem you would have paid for it anyway. bite the bullet and just get it fixed before moisture destroys pipe.

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