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Carrier 48GS036060300 Furnace Door Switch
The furnace door switch is a safety switch which prevents the draft inducer and burner from switching on so as to avoid injuries. It is imperative that the switch be traded for new one as soon as possible especially if you suspect it is not working properly.
Important red flags of a weakening safety furnace door switch
- The HVAC system cannot run whether the door is off or on
- The safety door switch looks worn
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