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International Comfort Products GPCM30K060F Limit Switch
Limit switches are crucial because if the warmed air is too cool then the house will never get warm enough. The limit switch is a switch in the heat exchanger that makes the determination when the air is warmed to a point for the main blower to kick in and circulate the air.
Symptoms critical limit switch should be replaced
- The system is starting to act weird often
- The HVAC system refuses to start or run well for any length of time
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