Question about Dayton Gas Furnace Heater
I have the same issue with a G21Q4-5-100-1 model lennox. House drops 8 - 10 degrees. I have 3 thermostats and all react the same way. I was told by service tech that the Ignition Coontrol Module is bad and acting intermittanely. ???
Posted on Feb 16, 2010
Check the thermostat, by one placing a regular thermostat in the vicinity of it and compare the readings.
It is likely that the thermostat is the weak chain in the link.
It is either that it is defective, or it is being heated by some other heating source. ,
usually an appliance placed too close.
Posted on Jan 31, 2010
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Posted on Jan 02, 2017
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