I have a NOMA Programmable thermostat attached to my furnace.
The set point is usually around 21 degrees, and the room temperature is reading around 17 degrees. The furnace is not coming on.
However, If I go down to the basement, and flip the power switch off and on, the furnace starts, and runs for about 10 minutes.
Is the problem in the thermostat or the furnace? Where should I start troubleshooting?
It's a gas Furnace with AC unit. Manufactured in 1998, no idea when it was installed.
It when it's running, it pumps out a fair amount of heat, so I doubt it's gas line pressure.