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International Comfort Products CHP442AKA1 Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and other risky devices from switching on in order to prevent injury and fire. It is crucial to have this part switched out as soon as possible if it is causing you problems.
Key signs of a dying switch on the furnace door
- The door mechanism looks wrong
- The furnace will not begin whether the door is open or closed
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