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International Comfort Products PGC036K100A Limit Switch
A normal limit switch has a sensor in the heating area that decides when the air is warm enough for the blower to be activated. Limit switches exist because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
Major clues critical limit switch needs replacing ASAP
- The International Comfort Products system begins to behave differently often
- The heating and cooling system will not begin the ignition sequence nor will it stay running as it should
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