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Carrier 50JZ048300 Furnace Door Switch
The job of the furnace door switch inhibits the blower and ignition sequence from activating so as to avoid injuries. It is vital that this part be swapped out ASAP if you find it to be faulty.
How do you know if your furnace door switch is about to stop working?
- The switch appears to be breaking apart
- The HVAC system will not even begin to start even when you close the door
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