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Thread: Gas Code

  1. #1
    Join Date
    May 2005
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    Indianapolis, IN
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    Gas Code

    Can someone point me towards the section of gas code where it would state that I am not allowed to have anything but solid pipe inside the cabinet of the furnace. No unions, couplings, etc. Please and thank you.

  2. #2
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    Aug 2007
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    Northern VA 38 degrees N by 76 degrees W
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    You will not find it, because it does not exist.
    Do you know what code your jurisdiction uses?

    The IOM of the equipment will show in the piping drawing that the union is mounted outside the cabinet. The code states the union must be downstream of the cut off valve. The cut off valve must be accessible within 6 feet of the appliance and in the same room. 2009 IFGC allows a flexible connector to enter the cabinet when sleeved.

  3. #3
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    SouthEast NC ICW & Piedmont Foothills
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    manufactures instruction supercede code

    if code allows it BUT the mfg doesn't it violates UL
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  4. #4
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    Northern VA 38 degrees N by 76 degrees W
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    I show Indiana as being on the 2006 IFGC

    Look at 409.1.2 for the prohibited location of the shut off valve in the furnace plenum.
    Look at 409.5 for location of shut off valve serving a union,connector or quick disconnect.

    Now go to your Installation and Operation Manual for the equipment that you are installing and follow it.

  5. #5
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    NW AR
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    Why chance it? Use a nipple of the appropriate length to get you outside the cabinent. Did you get tagged on a job?

  6. #6
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    equipment installation instructions.
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  7. #7
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    May 2005
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    Indianapolis, IN
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    I didn't get tagged. I didn't install. Buyer had an inspection and it was noted that there was a connection in the cabinet. So it was written up. Now seller is saying its not code and doesn't need changed. I knew it was mandated somewhere but needed to get my hands on proof for the buyer. Looks like I'll need the install manual.

  8. #8
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    Mar 2007
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    NW AR
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    We cant run flex or have joints inside the cabinent here. If flex is pre-existing they will allow me to sleeve it so it doesnt vibrate against the cabinent which could cause a hole.

    Its just logical to not have joints or unions inside the cabinent.

    There are alot of local codes not covered in the code books here.

  9. #9
    Join Date
    Aug 2007
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    Northern VA 38 degrees N by 76 degrees W
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    Quote Originally Posted by chrashley View Post
    I didn't get tagged. I didn't install. Buyer had an inspection and it was noted that there was a connection in the cabinet. So it was written up. Now seller is saying its not code and doesn't need changed. I knew it was mandated somewhere but needed to get my hands on proof for the buyer. Looks like I'll need the install manual.
    Do you have specifically what was noted by the home inspector,and the model and serial number of the equipment?

  10. #10
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    Someone had better tell York that they have to stop putting two unions in their two stage, dual hx rtu's.
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  11. #11
    Join Date
    Dec 2002
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    SouthEast NC ICW & Piedmont Foothills
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    what the mfg does is under UL not code
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  12. #12
    Join Date
    Apr 2012
    Location
    Pasadena,Maryland
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    we use yellow flex connectors in the furnace,have never ben tagged by inspector,i always thought that a long nipple was needed also but my current boss says that isnt true.either way their is always 1 joint at the gv.

  13. #13
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    Mar 2011
    Location
    Galveston Texas
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    530
    down here it's local code that a solid piece has to come out of the cabinet, as well as no gas piping going through the R/A chase.

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