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Carrier 58CTA07010016 Limit Switch
The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. The limit switch has a sensor located in the furnace that can determine if and when the air is warmed to a point to activate the main blower.
Subtle hints critical limit switch has little life left
- Your system begins to run erratically more often than not
- The HVAC system refuses to kick in or run well longer than a minute
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