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International Comfort Products TCH460AKA1 Limit Switch
A normal limit switch contains a sensor in the heating area that can determine if and when the air is warm enough for the blower to be activated. Limit switches are crucial because if the air never warms up then the house will never get warm enough.
Elements of a poorly performing main limit switch
- The system is beginning to runs uneven more often than not
- System will not begin or run even though max temp has not been reached
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