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  1. 01-27-2006, 10:02 PM #1
    victoff75
    victoff75 is offline Regular Guest
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    Exclamation

    My heating contractor said it was ok to vent a 90% furnace throug the existing chiminey i do not think he is correct any feedback
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  2. 01-27-2006, 10:10 PM #2
    wayner211
    wayner211 is offline Regular Guest
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    Why wont they put a flashing on the roof and vent it with a nice one piece concentric vent kit?
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  3. 01-27-2006, 10:11 PM #3
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    karsthuntr
    karsthuntr is offline Professional Member*
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    Yes you may vent "through" an exsisting chimney.

    The chimney must not be used for any other appliance and the pvc must extend all the way to the top of the chimney.
    Karst means cave. So, I search for caves.
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  4. 01-27-2006, 10:49 PM #4
    Toolpusher
    Toolpusher is offline Professional Member
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    I've done it,
    Just the way Karsthuntr said, works fine and looks good.
    You should also put a cap on the top of the chimney.
    Have the pvc go through that.
    If you try to fail, and succeed.
    Which have you done ?


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  5. 01-28-2006, 01:32 PM #5
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    Irishmist
    Irishmist is offline Professional Member*
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    victoff75: just curious, why did you not believe it correct when your heating contractor told you this?
    Everyone has a purpose in life..........even if it's to be a bad example.

    Seek first to understand, before seeking to be understood.
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