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Question About Armstrong World Industries Furnace ?
should the two vertical pipes leading outside the ...

should the two vertical pipes leading outside the house from the furnace be connected at all? If so, as mine are, isn't that a serious health threat? I think exhaust air is being sucked in with clean air.

Asked by tim on 09/09/2011 0  Answer

ManualsOnline posted an answer 13 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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