Furnace
I can't get my furnace to turn on. If I have the selector set on heat and the fan on the on position I can hear the relay click when I move the temperature up and down, if the fan is set on auto I h...
Forum Discussion
If you've done all that has been suggested then it's time to get out the volt meter and start tracing some wires and voltages from the thermostat to the furnace.
