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Carrier 58DLX11010022 Furnace Door Switch
The job of the furnace door switch inhibits initial fan and ignition sequence from switching on so as to avoid injuries. Do not waste time and have it switched out immediately if you can, if you suspect that it is not working.
Major warnings of a faulty furnace door switch
- The safety door switch seems breaking apart
- The HVAC system cannot run whether the door is open or closed
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