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Samsung AQB24J2WC Limit Switch
The limit switch contains a sensor in the air handler that makes the determination when the air is warm enough for the main blower to kick in and circulate the air. One big reason why limit switches are designed that way is because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Clues main limit switch is not going to last much longer
- The whole system is beginning to initiate and then stops on more than one occasion
- System will not start or will not stay running longer than 30 seconds
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