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International Comfort Products HHP230GKA1 Furnace Door Switch
The furnace door switch prevents the fan and burner from starting in order to prevent injury and fire. It is extremely important that the device is exchanged for a new one swiftly especially if you suspect it is not working properly.
Indications of a bad switch on the furnace door
- The door switch looks eroded
- The system cannot run whether the door is open or closed
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