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International Comfort Products T9MPV050F12B1 Limit Switch
Limit switches exist because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts. The limit switch is a type of sensor switch in the heating area that makes the determination when the air is warmed to a point for the air to begin normal home circulation.
Major symptoms limit switch needs replacing ASAP
- The whole system begins to runs uneven from time to time
- The heating and AC system will not begin or continue to run longer than 10 minutes
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