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Carrier 48GP042090300 Furnace Door Switch
The job of the furnace door switch blocks the vent fan and other risky devices from turning on so as to avoid injuries. It is quite important to have it switched out as soon as possible if it is causing you problems.
What to see if the switch on the furnace door is about to stop working?
- The whole system will not run even when you close the door
- The furnace door switch looks as if it has been bent badly
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