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International Comfort Products T8MPL050B12A1 Limit Switch
A normal limit switch is a type of sensor switch in the heat exchanger that senses, or governs, if and when the air is warmed to a point for the main blower to kick in and circulate the air. Limit switches are crucial due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
Clues limit switch will die soon
- The heating and cooling system will not even start or continue to run for any significant length if time
- The whole system begins to act differently on more than one occasion
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