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International Comfort Products GPCM60H100F Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that can determine if and when the air is warmed to a point for the main blower to kick in and circulate the air. One big reason why limit switches are designed that way is because if the air never warms up the you will lose all the heat as the air flows through the ducts.
What signals that my limit type switch really is not working right?
- The HVAC system will not begin the ignition sequence or run like it is supposed to
- The system begins to stop suddenly more than once
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