Question about Goodman GMS90703BXA Heater

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Furnace blower never blows.

Pre-heat fan (cycles), glow plug turns red, gas comes on, then.......it all shuts down. Could this be a thermocouple? Lennox unit 5-6 years old

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  • fredsinfla Jan 13, 2009

    No help. There are two round what appear to be switches above the gas feeders. One is rusted

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It sounds more like the flame sensor ( a metal rod that is by the burners with a wire going to it and it has a ceramic base). you can try cleaning the rod and if that doesnt work they are not to expensive.

Posted on Jan 13, 2009

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