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Carrier 50GL030310 Furnace Door Switch
The furnace door switch prevents the vent fan and gas ignition being triggered to start so as to avoid injuries. You should really have it swapped out as quick as you can if it is damaged so as to prevent something bad happening.
Cues of a deteriorating safety furnace door switch
- The whole system does not run whether the door is open or closed
- The switch appears to be removed
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