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Thread: Help-NFPA 90A/90B Air Handler Install Clearances

  1. #1
    DIY Junior Member oreyes's Avatar
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    Default Help-NFPA 90A/90B Air Handler Install Clearances

    This thread is related to my previous post. Trying to find minimum acceptable clearances for air handler install. Am wondering whether my unit should even hed been instaleld where it is. Mine is in the peak of the attic on a cape and its insanely tight. Had issue that caused drain pipe to be pushed out of slope and to crack and leak. Please help. Thanks.

  2. #2
    Plumber jimbo's Avatar
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    Default

    I think the first authority would be the install instructions for your specific units. It should contain any minimum clearances, and most code invoke manufacturer's instructions as the first spec.

  3. #3
    DIY Junior Member oreyes's Avatar
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    This is a Lennox unit - I'll check the manual again - the manual referred me to the Standards cited and to local codes. Thanks for the input.

  4. #4
    DIY Junior Member tedfrk's Avatar
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    is it just an air handler or are you using it with the electric heat kit ?i would assume the tolerances would be different.

  5. #5
    DIY Junior Member oreyes's Avatar
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    Just an air handler. thanks.

  6. #6
    DIY Senior Member Mikebarone's Avatar
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    Default Your air handler

    I shot you a reply on your first post, (be it good or bad). LOL.


    Mike

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