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Carrier 58STA070 Furnace Door Switch
A furnace door switch is a safety feature that stops the vent fan and gas ignition from activating so as to avoid injuries. Do not try to fix it, just have it switched out at once if it is causing you problems.
Major red flags your furnace door switch should need replacing
- The system does not turn on even with the door closed
- The door mechanism appears as though it has been removed
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