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Kenmore 661624530 Furnace Door Switch
This switch stops initial fan and ignitor from turning on so as to avoid injuries. It is extremely important that the device is exchanged for a new one as quick as you can if you suspect that it is not working.
Important red flags of an unhealthy switch on the furnace door
- The system does not operate whether the door is off or on
- The safety door switch appears as though it has been beat up
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