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Carrier 50XP060300 Furnace Door Switch
The job of the furnace door switch blocks the vent fan and gas ignition from turning on so as to avoid injuries. You should have the switch be swapped out swiftly if you suspect that it is not working.
Subtle cues of a defective safety switch on the furnace door
- The door mechanism looks as if it has been removed
- The HVAC system will not begin even when you close the door
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