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International Comfort Products N9MP1080F16C1 Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and gas ignition from switching on in order to prevent injury and fire. It is important to get the part switched out as soon as you can if you see that it is broken.
Important red flags to watch for in a failing safety switch on the furnace door
- The whole system will not engage whether the door is off or on
- The door mechanism seems broken
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