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Carrier 48GP036090310 Limit Switch
Limit switches were created due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. A normal limit switch is a switch in the air handler that makes the determination when the air is actually warm enough for the air to begin normal home circulation.
Major indications main limit switch has little life left
- The heating and AC system refuses to start or run longer than 10 minutes
- The Carrier system is starting to runs uneven frequently
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