A gas furnace contains many important components: the gas line, gas burners, control board, blower fan, combustion chamber, heat exchanger, inducer fan, flue, electronic ignition system, flame sensor, etc. They all work together to provide a home with warmth, convenience, and safety.
Today we’re going to look at one of the key components that allows a furnace to synchronize its parts and deliver even and energy-efficient heating to the house. It’s also a part that helps the furnace to run safely with little risk of it overheating. This part is called the furnace limit switch.