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International Comfort Products C8MPL075B12B1 Limit Switch
Limit switches exist because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts. A normal limit switch is a type of sensor switch located in the furnace that senses, or governs, when the heated air is warm enough that it can be circulated throughout the house.
Easy warnings main limit switch is on its last leg
- The system starts to become unpredictable more than once
- The heating and cooling system refuses to start nor will it stay running like it is supposed to
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