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Question About Lennox International Inc. Furnace G20
furnace help...

My furnace will sometimes light. When it does, it will run through it's cycle without problems. If it doesn't light, it will just blow cold air into the house. When it doesn't light, there is no clicking from the electric igniter and also no light on the LED board.

Asked by Scott on 11/13/2010 1  Answer

ManualsOnline posted an answer 13 years, 11 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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