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International Comfort Products GPFM60K100F Limit Switch
A normal limit switch has a sensor in the heat exchanger that senses, or governs, when the air is warm enough for the air to begin normal home circulation. Limit switches were created because if the air is not warm enough then you will never get hot air through the ducts.
Subtle cues of a deteriorating limit type switch
- Your International Comfort Products system will not begin the ignition sequence or will not stay running like it should
- The HVAC system is beginning to ramp up but then stops on a regular basis
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