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Carrier FX4CNF060000 Limit Switch
A limit switch was crafted because if the air is not warm enough then you will never get hot air through the ducts. The limit switch is a switch in the heat exchanger that can determine when the air is actually warm enough that it can be circulated throughout the house.
Easy warnings limit switch is on its last leg
- Your Carrier system will not start or will not stay running longer than 10 minutes
- Your system is starting to erratically more often than not
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