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Question About Lennox International Inc. Furnace G43UF-24B-045-08
Installation Manual...

I'm looking specifically for the direct vent piping limitations (max length, diameter) that the combustion fan can overcome. I'm finishing my basement and I need to relocate the flue vent and combustion air vent. Lennox only has owners/operators manuals on their website.

Asked by Mathew Rowe on 02/01/2009 0  Answer

ManualsOnline posted an answer 15 years, 10 months 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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