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Carrier 50GL024300 Furnace Door Switch
A furnace door switch is a safety feature that blocks the vent fan and burner from starting in order to prevent injury and fire. Do not waste time and have it switched out promptly if you see that it is broken.
General warnings of an ineffective safety switch on the furnace door
- The safety door switch looks like it is broken badly
- The HVAC system does not function even when you close the door
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