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International Comfort Products H8DNL100F14A1 Limit Switch
The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. The limit switch has a sensor located in the furnace that decides when the air is actually warm enough for the main blower to kick in and circulate the air.
General indicators that your limit switch has little life left
- The International Comfort Products system is starting to go through the startup sequence but stops quickly repeatedly
- System will not start or run well as it should
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