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Question About Lennox International Inc. Furnace G40UH(X)
should the fan on this unit be left on all the tim...

should the fan on this unit be left on all the time or should it be set to "auto" so the fan only comes on when heating or cooling is needed?

Asked by ryan on 06/22/2011 1  Answer

ManualsOnline posted an answer 13 years, 4 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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