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Haier HC30D2VAR Furnace Door Switch
The furnace door switch is a safety switch which stops the fan and ignition sequence from activating so as to stop a potential explosion. It is imperative that the switch be switched out as soon as you can if it is defective in some way or another.
Simple signals the switch on your furnace door will need to be replaced
- The furnace does not operate whether the door is open or closed
- The door mechanism is worn
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