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International Comfort Products GPFM48L080F Limit Switch
A limit switch was crafted due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough. The limit switch is a type of sensor switch in the heat exchanger that can determine when the air is warmed to a point to activate the main blower.
Major warnings of a laboring critical limit switch
- The system is starting to shut down unexpectedly more often than not
- The HVAC system refuses to start or run longer than a minute
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