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International Comfort Products CHP248AKA1 Limit Switch
A normal limit switch contains a sensor located in the furnace that makes the determination when the heated air is actually warm enough for the blower to be activated. Limit switches were created because if the air is not warm enough then you will never get hot air through the ducts.
Major signs limit type switch is on its last leg
- System will not begin or run well as it should
- The system begins to shut down unexpectedly on more than one occasion
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