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Carrier RVC Furnace Door Switch
This switch prevents the draft inducer and gas ignition from activating so as to stop a potential explosion. You should have the switch be changed as soon as you can if it is causing you problems.
Some clues to watch for in a bad safety switch on the furnace door
- The whole system will not run even when you close the door
- The furnace door switch looks as if it has been messed up
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