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Carrier 50TFF007 Furnace Door Switch
A furnace door switch is a switch that stops initial fan and burner from switching on so as to stop a potential explosion. You must have the device substituted for a new part ASAP if you find it to be faulty.
Easy warnings of a dying furnace door switch
- The furnace does not begin to work even when you close the door
- The door mechanism seems to be worn down
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