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International Comfort Products GPCM48K120F Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that determines when the air is warm enough for the air to begin normal home circulation. Limit switches are crucial because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
What are some hints that my chief limit switch really needs to be replaced?
- The HVAC system begins to behave erratically more than once
- The HVAC system will not start nor will it stay running even though the desired temperature has not been attained
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