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

burner continually does a short cycle on and off for about 3 minutes at a time until thermostat is satisfied. I cleaned flame sensor but this did not help!

Asked by Mike on 01/06/2009 1  Answer

ManualsOnline posted an answer 15 years, 9 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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