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International Comfort Products CHP436AKA1 Furnace Door Switch
The job of the furnace door switch prevents the vent fan and gas ignition from turning on in order to prevent injury and fire. You should really have it changed as quick as you can especially if you suspect it is not working properly.
What are the clues to watch out for to know my safety furnace door switch is on its last leg?
- The whole system will not run whether the door is off or on
- The door switch looks damaged
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