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International Comfort Products NTV6125KJG1 Limit Switch
Limit switches exist because if the air is not warm enough then you will never get hot air through the ducts. A normal limit switch has a sensor in the air handler that can determine when the air is actually warm enough to activate the main blower.
Cues of a failing limit switch
- The HVAC system will not begin or continue to run as it should
- The whole system begins to stop suddenly on a regular basis
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