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International Comfort Products HHP248GKA1 Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and ignitor from switching on in order to prevent injury and fire. It is imperative that the switch be replaced promptly especially if you think it is defective.
Clues of a worsening furnace door switch
- The door mechanism seems removed
- The system does not run even when you close the door
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