Thread: Mid efficiency furnace combustion air
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Old 11-23-2008, 11:20 AM
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Jerry McCarthy Jerry McCarthy is offline
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Re: Mid efficiency furnace combustion air
Gunnar
If you have a copy of ther 2006 UMC or 2007 CMC check Chapter 7: Combustion Air. This diagram may also help as there has been some changes (many) in this chapter.
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