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International Comfort Products H8MPN125J20B1 Furnace Door Switch
The job of the furnace door switch blocks the fan and gas ignition being triggered to start so as to avoid injuries. It is extremely important that the device is exchanged for a new one as quick as you can if it is damaged so as to prevent something bad happening.
Major signs your safety switch on the furnace door will not live much longer
- The door switch appears to be broken
- The furnace will not begin with the door closed
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