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Mitsubishi MSZ-GA22VA Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that decides when the air is warm enough for the blower to be activated. Limit switches were created because if the air is not warm enough then the house will never get warm enough.
Major warnings critical limit switch should need replacing
- System will not even start or continue to run as it should
- The HVAC system begins to ramp up but then stops on a regular basis
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