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Question About Goodman Mfg Furnace gu
My upcoming new Goodman furnace GMS8040-3 will be ...

My upcoming new Goodman furnace GMS8040-3 will be an 80% efficiency rating. Can you tell me what the OLD Goodman furnace's rating was? It was a Model "GU, GUI, GUE, GUX, or GUH" per my Repair Parts manual from 1992. Thank you in advance.

Asked by Alyse on 08/31/2014 0  Answer

ManualsOnline posted an answer 9 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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