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Mitsubishi PCA-A30KA Furnace Door Switch
The furnace door switch is a safety switch which stops the blower and other risky devices from switching on so as to avoid injuries. It is extremely important that the device is traded for new one quickly if it is not working in order to prevent injuries.
Major symptoms of a weak safety switch on the furnace door
- The switch seems to be broken badly
- The HVAC system will not even begin to start whether the door is open or closed
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