
How does my furnace work? A step by step intro to the furnace.
Ever wondered how your furnace operates? Here is a detailed list of all the steps your furnace goes through to heat your home.
- Heat Call From the Thermostat
- Control Board Safety Check
- Inducer Motor Turns On
- Surface Igniter Heats
- Gas Valve Opens
- Sensor Sense Flame
- Blower Turns On
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