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Carrier 48JZ036060300 Furnace Door Switch
A furnace door switch is a switch that stops initial fan and ignitor from turning on so as to avoid injuries. You must have the device changed immediately if you can, if you suspect that it is not working.
Major clues of a dying safety switch on the furnace door
- The switch appears as though it has been bent badly
- The HVAC system will not start with the door closed
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