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International Comfort Products CAC442AKA1 Limit Switch
The limit switch contains a sensor in the heating area that decides when the air is warmed to a point that it can be circulated throughout the house. 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.
Subtle hints limit switch will soon need to be replaced
- The heating and AC system refuses to start or will not stay running longer than a minute
- The whole system begins to act differently from time to time
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