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Carrier 38BYC060 Limit Switch
The reason limit switches exist is because if the air is not warm enough then the house will never get warm enough. The limit switch is a switch in the heat exchanger that can determine if and when the air is warmed to a point that it can be circulated throughout the house.
General indicators that your limit switch will need to be replaced
- The HVAC system will not begin the ignition sequence nor will it stay running longer than 10 minutes
- Your system begins to run erratically repeatedly
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