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International Comfort Products NDN5100BFB1 Limit Switch
A normal limit switch contains a sensor in the heating area that decides if and when the air is actually warm enough that it can be circulated throughout the house. Limit switches were created because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Symptoms of a bad limit switch
- System will not initiate or run well like it is supposed to
- The system is beginning to act weird often
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