Question about Goodman GMS90703BXA Heater
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
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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Posted on Jan 02, 2017
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