How To Remove And Test The Glow Bar Igniter In Your Gas Furnace
The igniter in a gas furnace provides the heat source that starts the combustion process needed to warm your indoor air. A glow bar igniter has an M-shape filament that lights up red or glows when hot. If your furnace has recently stopped heating and you don’t see the igniter glowing when it should, you should test the igniter to see if the part has failed. You can test a glow bar igniter using a multi-meter to check for continuity or a continuous electrical supply to the part.…
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