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.

1. Heat Call From the Thermostat
2. Control Board Safety Check
3. Inducer Motor Turns On
4. Surface Igniter Heats
5. Gas Valve Opens
6. Sensor Sense Flame
7. Blower Turns On

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