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International Comfort Products HAC042GKA4 Limit Switch
A limit switch was crafted because if the air never warms up 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 can determine when the heated air is warm enough for the main blower to kick in and circulate the air.
Major symptoms poorly running critical limit switch
- System will not begin the ignition sequence or continue to run for any length of time
- The HVAC system starts to run inconsistently repeatedly
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