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International Comfort Products TCH048AKA1 Limit Switch
A normal limit switch contains a sensor in the heat exchanger that decides when the air is warm enough to activate the main blower. The main reason limit switches are made is due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough.
What are the clues to watch out for to know my chief limit switch is about to go out?
- The system is beginning to erratically repeatedly
- System refuses to start or run for any significant length if time
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