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  1. #1
    Join Date
    May 2013
    Posts
    1

    Arrow Cogeneration Exhaust

    Hi all!! I need to know which are the proper products (duct materials, rounded or squared duct) by which a 504 F gas combustion flow can be ducted to the exterior of a building!!! please advice.

  2. #2
    Join Date
    Nov 2004
    Location
    Anchorage Alaska / Seattle WA
    Posts
    203
    Consult your nearest mechanical contractor and tell him you need an exhaust "thimble" - he will want to know the thickness of the wall - the diameter of the exhaust etc. I have installed dozens of exhaust pipes for diesel and gas turbines through walls. If you are in a permitted area you should run the design you will receive from the mechanical contractor past your permitting department for pre-approval... (will probably be the fire marshal) be aware that there are some restrictions in the building code about how high you have to go with exhaust above the roof etc.

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