Although today’s standard electric furnace uses a hot surface ignition, older models often use an intermittent pilot to ignite heat. The pilot uses a high voltage spark of electricity to ignite heat when the thermostat indicates that it’s getting too cold.Click to see full answer. Beside this, how do you light an electric furnace? How to Relight an Automatic Pilot Light Set the thermostat on your furnace to its lowest setting. Remove the access panel covering the gas control knob. Turn the gas control knob to the OFF position. Turn the gas control knob or knobs to the ON position. Turn the electrical power to the furnace back on. Also Know, can you manually light an electric furnace? Gas furnaces now come with an igniter that works electronically to light the gas and heat the home. If your furnace is equipped with an electronic igniter, you cannot light the furnace manually. However, you may be able to get the furnace working by turning off the igniter and resetting it. In this manner, do all furnaces have a pilot light? For many years, furnaces used a small and continuously burning flame known as a pilot light to ignite the burners during every heating cycle. Although pilot lights are still present in homes with older systems, most newly installed furnaces use an electronic ignition instead.How does an electric furnace work?Electric furnaces act much like a hair dryer. They pull air into the system and through a heat exchanger. Once in the heat exchanger, electric heating elements will warm up the air. This warm air is then pushed by the blower into the ductwork in your home, which distributes the air into the rooms of your home.

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