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International Comfort Products HHP448AKA1 Limit Switch
A normal limit switch has a sensor in the heating area that decides when the air is warm enough to activate the main blower. Limit switches were created because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air.
Simple warnings that your limit type switch really is crapping out?
- The heating and AC system will not begin or continue to run for any significant length if time
- The International Comfort Products system begins to go through the startup sequence but stops quickly from time to time
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