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International Comfort Products PAF024K000A Limit Switch
A normal limit switch has a sensor in the heating area that can determine if and when the air is warmed to a point that it can be circulated throughout the house. Limit switches are built 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.
Some warnings limit type switch is failing
- The heating and cooling system refuses to start nor will it stay running for any significant length if time
- Your system is starting to act differently time after time
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