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International Comfort Products HAC060GKA4 Limit Switch
Limit switches were created because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch has a sensor in the heat exchanger that can determine when the air is actually warm enough for the main blower to kick in and circulate the air.
How do you know when your limit switch most likely is on its last leg?
- The system is beginning to run inconsistently on a regular basis
- Your International Comfort Products system will not start or run for any significant length if time
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