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International Comfort Products GPCM36L100F Limit Switch
The limit switch is a type of sensor switch in the air handler that senses, or governs, if and when the air is actually warm enough so that it may be pushed through the ducts and out the vents. This is important because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Major signs main limit switch is going to die
- The HVAC system is unable to start or run well for any length of time
- The system begins to stop suddenly repeatedly
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