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  1. #1
    Eric Shuman's Avatar
    Eric Shuman Guest

    Default Flue in return air.

    In addition to electric wires, and other things in the return air plenum of this HVAC set-up on this 1988 house, the builder felt it was o.k. to run the b-vent from the furnace at the 1st floor up through the return air plenum of the 2nd story unit. I guess they thought it would be o.k. as long as they put a metal sleeve around the b-vent.

    Common sense tells me this has the potential to become a very dangerous situation.

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  2. #2
    Join Date
    May 2007
    Frankfort, KY

    Default Re: Flue in return air.

    The potential for things to go wrong is there.

    Never seen anything like that, just goes to show creative can go both directions.

    Measured Performance more than just a buzzword


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