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International Comfort Products GPFM60K140E Limit Switch
A normal limit switch contains a sensor in the heat exchanger that makes the determination if and when the air is warmed to a point for the air to begin normal home circulation. Limit switches are built because if the warmed air is too cool then you will never get hot air through the ducts.
Some clues limit type switch is failing
- The International Comfort Products system is starting to become inconsistent more often than not
- The heating and cooling system will not begin or will not stay running for any significant length if time
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