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Carrier 48GX030060300 Furnace Door Switch
The furnace door switch is a safety switch which blocks the draft inducer and other risky devices being triggered to start so as to stop a potential explosion. It is quite important to have it traded for new one as soon as you can especially if you think it is defective.
Major signs the safety door switch should need replacing
- The door switch is beat up
- The furnace will not start even when you close the door
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