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Carrier 50ZP-042 Furnace Door Switch
A furnace door switch is a switch that prevents initial fan and other risky devices from activating in order to prevent injury and fire. It is imperative that the switch be changed quickly if you find it to be faulty.
Major clues the safety door switch will not live much longer
- The HVAC system will not run even when you close the door
- The door switch looks like it is broken
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