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Kenmore 661624630 Limit Switch
The reason limit switches exist is due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts. A normal limit switch has a sensor in the heating area that makes the determination when the heated air is actually warm enough that it can be circulated throughout the house.
Red flags poorly running limit switch
- Your system is beginning to act differently time after time
- Your Kenmore system will not even start or will not stay running for any length of time
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