Furnace exhaust question

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Old 03-24-20, 12:48 PM
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Furnace exhaust question

I am looking to install a fireplace insert but my chimney is not able to support. So I would like to remove my chimney and run piping for the furnace and for the new insert. My question is how large does a glue pipe need to be to exhaust a furnace? I do not plan on running both units into the same flue so I want to know if I have enough room to run two pipes up in the same cavity. Or is there an option where I can run the furnace out the side of the house ? Thanks for the help
 
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Old 03-24-20, 01:46 PM
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Welcome to the forums.

You'd need to know what each appliance requires for a vent line. If it's an 80% furnace it will probably require a B vent. Many fireplaces require concentric pipe to bring in fresh air while exhausting fumes.
 
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