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Thread: Furnace vent

  1. #1
    Jeff Eastman's Avatar
    Jeff Eastman Guest

    Default Furnace vent

    Last edited by Jeff Eastman; 12-19-2007 at 04:31 PM.
    OREP Insurance

  2. #2
    Join Date
    Mar 2007
    Location
    Near Philly, Pa.
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    1,682

    Cool Re: Furnace vent

    Appears to be B-vent hacked open. Not approved by vent mfr. and thus codes. Should have spent the few extra bucks on a draft hood connector and not ruined a section of venting.

    FYI, every single furnace I see has improper clearance to the PVC drain line.

    Keep the fire in the fireplace.

  3. #3
    Join Date
    Mar 2007
    Location
    Corpus Christi, TX
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    615

    Default Re: Furnace vent

    Bob,

    Am I having another false memory moment or aren't evaporator coils above the heat exchangers soon to be discontinued?

    The only reason some people get lost in thought is because it's unfamiliar territory.
    - Paul Fix

  4. #4
    John Stephenson's Avatar
    John Stephenson Guest

    Default Re: Furnace vent

    Isn't it 1" clearance from b-vent to combustible or is there an exception for PVC?


  5. #5
    Join Date
    Mar 2007
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    Near Philly, Pa.
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    1,682

    Cool Re: Furnace vent

    Where is there any B-vent within 1 inch of that PVC?

    That's single walled pipe for about one foot so it's 6". The coil mfrs put the drain right in a place where it must pass within 6" of the appliance collar. I've seen them heat stressed and leaking.

    Keep the fire in the fireplace.

  6. #6
    Jeff Eastman's Avatar
    Jeff Eastman Guest

    Default Re: Furnace vent

    Single wall pipe! Duuuuuuuuuuuuuuuuuuhhhhhhhhhhhhhhhh!!!


    Is it allowed to mix single wall with double wall?


  7. #7
    Join Date
    Mar 2007
    Location
    Chicago, IL
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    2,797

    Default Re: Furnace vent

    "Single wall pipe"

    Is it?

    I appears to me that there is an interior pipe visible just above the furnace casing and also an exterior pipe which is fitting over (is the male end) of the connection with the B-Vent. What did the labeling on the left side of the pipe say? I'm not saying this is right, but it appears to be more complicated than just a single-wall segment between the and the start of the B-Vent.


  8. #8
    Join Date
    Mar 2007
    Location
    Near Philly, Pa.
    Posts
    1,682

    Cool Re: Furnace vent

    When you hack one end of B-vent off, it become single walled vent connector.

    Keep the fire in the fireplace.

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