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Mitsubishi PCA-A24KA Furnace Door Switch
The furnace door switch inhibits the fan and ignition sequence from starting in order to prevent injury and fire. It is crucial to have this part replaced as soon as possible especially if you think it is defective.
Indications of an unhealthy safety door switch
- The whole system does not begin to work even when you close the door
- The safety door switch looks as if it has been broken completely
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