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Mitsubishi MUY-GE12NA Furnace Door Switch
A furnace door switch is a switch that prevents the fan and ignitor from turning on so as to stop a potential explosion. It is extremely important that the device is exchanged for a new one ASAP if it is causing you problems.
Do you know if your safety furnace door switch needs replacing?
- The furnace will not engage with the door closed
- The door switch looks as if it has been broken badly
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