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International Comfort Products GPFM36H100F Limit Switch
The limit switch is a type of sensor switch in the heating area that senses, or governs, when the heated air is actually warm enough to activate the main blower. This is important because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Important signs limit switch has to be replaced
- Your system is starting to erratically on more than one occasion
- The heating and cooling system will not even start or continue to run longer than 10 minutes
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