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International Comfort Products CXA460AKA1 Furnace Door Switch
A furnace door switch is a switch that stops the vent fan and other risky devices from turning on in order to prevent injury and fire. It is imperative that the switch be switched out as quick as you can if you suspect that it is not working.
Signs of a dying switch on the furnace door
- The whole system does not run whether the door is off or on
- The door switch appears to be breaking apart
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