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International Comfort Products HHP048AKA1 Limit Switch
Limit switches were created due to the fact that if the air inside the furnace is too cool then the house will never get warm enough. A normal limit switch has a sensor in the air handler that can determine if and when the air is warmed to a point for the main blower to kick in and circulate the air.
Symptoms main limit switch is going out
- The heating and cooling system will not begin or run as it should
- The whole system is beginning to act weird occasionally
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