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Carrier 38YKC036 Limit Switch
The limit switch has a sensor in the air handler that can determine when the air is actually warm enough so that it may be pushed through the ducts and out the vents. The main reason limit switches are made is because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts.
Key indicators that my main limit switch needs replacing?
- The Carrier system begins to erratically from time to time
- The heating and AC system refuses to start or continue to run even though the desired temperature has not been attained
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