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International Comfort Products C9MPD100J20C2 Limit Switch
The limit switch contains a sensor in the heating area that senses, or governs, when the heated air is actually warm enough to activate the main blower. Limit switches are built because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
How do you know if your limit switch most likely is not working right?
- The whole system is beginning to behave erratically from time to time
- The heating and cooling system refuses to start or run like it ought to
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