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International Comfort Products HXA260AKA1 Limit Switch
Limit switches exist because if the air is not warm enough then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch in the heating area that decides when the heated air is warm enough for the main blower to kick in and circulate the air.
Elements to watch for in a bad critical limit switch
- Your system is beginning to become unpredictable from time to time
- The heating and cooling system will not begin the ignition sequence nor will it stay running longer that five minutes
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