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International Comfort Products NTC7125BKA2 Limit Switch
A normal limit switch is a switch in the heating area that senses, or governs, when the air is actually warm enough for the blower to be activated. One big reason why limit switches are designed that way is because if the air never warms up then the house will never get warm enough.
Major symptoms of a dying critical limit switch
- The system is beginning to runs spotty repeatedly
- System refuses to kick in or run longer than 30 seconds
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