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Kenmore 661623920 Limit Switch
The limit switch has a sensor in the heating area that senses, or governs, if and when the air is warm enough for the blower to be activated. One big reason why limit switches are designed that way is because if the air never warms up then the house will never get warm enough.
Indications of a defective limit switch
- The whole system starts to become unpredictable more often than not
- The HVAC system will not even start or continue to run as it should
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