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  1. #1
    Join Date
    Jul 2012
    Location
    Indiana
    Posts
    34

    Default Flex appliance connector?

    Would you categorize this as an FAC? If so, I thought the rules said you cannot run the FAC into any appliance "cabinet", which it does here.

    Do you see any other issues with this?

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  2. #2
    Join Date
    Mar 2007
    Location
    Santa Rosa, CA
    Posts
    2,385

    Default Re: Flex appliance connector?

    Can't do it.

    G2422.1.2.3 (411.1.3.3) Prohibited locations
    and penetrations. Connectors
    shall not be concealed within, or
    extended through, walls, floors, partitions, ceilings or
    appliance housings

    Department of Redundancy Department
    http://www.FullCircleInspect.com/

  3. #3
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
    Posts
    5,840

    Default Re: Flex appliance connector?

    It's wrong and I see it often..

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  4. #4
    Join Date
    Jul 2012
    Location
    Indiana
    Posts
    34

    Default Re: Flex appliance connector?

    Thank you. Does anyone know the logic of why? It helps me to understand better. Is it concerns about damage where the flex enters perhaps from vibration etc.?


  5. #5
    Join Date
    Mar 2007
    Location
    Santa Rosa, CA
    Posts
    2,385

    Default Re: Flex appliance connector?

    Quote Originally Posted by Dave Rose View Post
    Thank you. Does anyone know the logic of why? It helps me to understand better. Is it concerns about damage where the flex enters perhaps from vibration etc.?
    Dave,

    Yes. Furnaces, in particular, will vibrate during blower operation. This could result in the thin metal connector being abraded/cut through where it is fed through the furnace cabinet.

    I believe there is an allowance for flexible connectors through fireplaces though. I seem to recall a grommet needs to be there to provide protection. I cannot specifically recall the code section. Probably near 2422.1.2.3

    Department of Redundancy Department
    http://www.FullCircleInspect.com/

  6. #6
    Join Date
    Jul 2012
    Location
    Indiana
    Posts
    34

    Default Re: Flex appliance connector?

    Quote Originally Posted by Gunnar Alquist View Post
    Dave,

    Yes. Furnaces, in particular, will vibrate during blower operation. This could result in the thin metal connector being abraded/cut through where it is fed through the furnace cabinet.

    I believe there is an allowance for flexible connectors through fireplaces though. I seem to recall a grommet needs to be there to provide protection. I cannot specifically recall the code section. Probably near 2422.1.2.3
    thank you, that helps.


  7. #7
    Join Date
    Oct 2010
    Location
    MONTREAL QUEBEC-CANADA
    Posts
    1,674

    Default Re: Flex appliance connector?

    411.1.3.3 and IRC G 2422.1.2.3

    Exception # 4 allows the listed appliance connector to enter the appliance to connect to the gas valve when protected by rubber grommet, plastic sleeve etc. to protect it from vibration from the motor.

    Robert Young's Montreal Home Inspection Services Inc.
    Call (514) 489-1887 or (514) 441-3732
    Our Motto; Putting information where you need it most, "In your hands.

  8. #8
    Join Date
    Aug 2008
    Location
    Pleasant Hill, Iowa
    Posts
    133

    Default Re: Flex appliance connector?

    The flex connector is used on Lennox Pulse furnaces because of the vibration, hard piping to a Pulse is not allowed. There are to be vibration eliminators in the gas line the supply and return duct, and the intake and exhaust have mufflers to control the noise. The flex connector is allowed around here by local jurisdiction because the door comes off easy and there is a rubber grommet used. This is not an issue around here and the connection will not come loose, a gas dryer vibrates more than a furnace and a flex is used there all the time.

    Dan Hagman
    ProSite Home Inspections
    Des Moines, Iowa

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