Furnace not heating more than 70F then fan stays on (no heat) and temperature starts dropping down under 70F. This morning the temperature dropped to 63F the furnace was working but no heat coming out just the fan (which by the way was off). Is this a problem with the thermostat or the furnace ? any solution ? (thermostat type 1F86-54) Thanks.

Asked by Louis on 12/19/2009 1  Answer

ManualsOnline posted an answer 14 years, 9 months ago

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