Furnace doesn't always light
Is there a good thread for troubleshooting furnace problems? Mine is not quite 3 years old and has worked fine until this week. Sometimes when the thermostat calls for heat the fan comes on but the...
Forum Discussion
Is there any relationship between the Outside Air Temperature and when it works vs not working. If so, you may have a oil filled p-trap in the copper line to the furnace that will pass gas when warm but not when cold.
