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Frigidaire FRS093LW10 Limit Switch
Limit switches were created due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a switch in the air handler that senses, or governs, when the heated air is actually warm enough for the air to begin normal home circulation.
Major symptoms critical limit switch is in need of replacing
- The HVAC system will not begin the ignition sequence or run well for any significant length if time
- The system starts to become unpredictable from time to time
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