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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, 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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