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International Comfort Products GDL100N16A1 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the blower and burner from turning on in order to prevent injury and fire. It is extremely important that the device is replaced as soon as possible if it is damaged so as to prevent something bad happening.
Major indications your safety switch on the furnace door has to be replaced
- The door switch has been messed up
- The whole system will not engage even with the door closed
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