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Question About Lennox International Inc. Furnace G40UH(X)
filter...

I can't figure out if there is supposed to be a filter in the unit itself or just a filter in my house. It is an upflow unit. Please Help Me

Asked by Megan on 03/14/2011 1  Answer

ManualsOnline posted an answer 13 years, 7 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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