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Carrier 24ABA324A0030010 Limit Switch
The limit switch contains a sensor located in the furnace that can determine when the heated air is warmed to a point that it can be circulated throughout the house. This is important because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air.
Major signs limit switch has little life left
- Your Carrier system will not initiate or run well longer than 30 seconds
- The system starts to runs uneven from time to time
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