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Carrier 50JZ024310 Furnace Door Switch
The furnace door switch stops the vent fan and burner from turning on so as to stop a potential explosion. It is crucial to have this part changed as soon as possible if it is defective in some way or another.
Major indications of an unhealthy safety furnace door switch
- The HVAC system will not run whether the door is open or closed
- The furnace door switch appears to be broken badly
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