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Bryant 120 Furnace Door Switch
A furnace door switch is a safety feature that prevents the blower and ignition sequence from starting so as to avoid injuries. Do not try to fix it, just have it traded for new one ASAP if you suspect that it is not working.
How do you know if your safety switch on the furnace door is about to go out?
- The door switch looks like it is bent
- The HVAC system will not even begin to start even with the door closed
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