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Carrier 38TXA048 Furnace Door Switch
The furnace door switch inhibits the vent fan and other risky devices from switching on so as to stop a potential explosion. It is extremely important that the device is replaced as soon as possible especially if you think it is defective.
Key signs of a poorly working safety furnace door switch
- The whole system will not start even with the door closed
- The door switch appears as though it has been bent
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