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Goodman GPC1424H41AB Furnace Door Switch
The furnace door switch prevents the fan and ignition sequence being triggered to start so as to avoid injuries. You should really have it substituted for a new part as quick as you can if it is causing you problems.
Red flags of an ailing furnace door switch
- The switch appears to be damaged
- The HVAC system does not operate even when you close the door
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