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Question About Armstrong World Industries Furnace Model GUK075D14-1a.
I have a Armstrong Ultra sx-90 Model GUK075D14-1a....

I have a Armstrong Ultra sx-90 Model GUK075D14-1a. and it won't come on...it seems dead. There is power going to the unit but it just won't come on. I would like a manual for parts. Thank you

Asked by Leslie on 11/01/2011 1  Answer

ManualsOnline posted an answer 12 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

Allen Russell posted an answer 10 years, 2 months ago

0 Mine was doing same thing, I changed the air filter, all ok now :-)
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