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International Comfort Products H9MPD080J16C2 Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and burner from turning on so as to stop a potential explosion. It is extremely important that the device is substituted for a new part at once if it is damaged so as to prevent something bad happening.
Important signs your furnace door switch is dead
- The furnace will not fire up whether the door is off or on
- The furnace door switch looks stuck
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