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Frigidaire FRP77ETT3R0 Furnace Door Switch
The job of the furnace door switch stops initial fan and other risky devices from activating so as to stop a potential explosion. It is quite important to have it swapped out promptly especially if you suspect it is not working properly.
Major signs of an ailing furnace door switch
- The system does not begin to work whether the door is open or closed
- The door switch appears as though it has been breaking apart
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