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International Comfort Products NTC7125BKA3 Limit Switch
The limit switch is a switch in the heat exchanger that senses, or governs, if and when the air is warm enough for the blower to be activated. Limit switches were created because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air.
Key indicators that my chief limit switch is almost going bad?
- System refuses to kick in or continue to run longer that five minutes
- The system starts to shut down unexpectedly repeatedly
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