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International Comfort Products NDC7100BHA2 Limit Switch
A normal limit switch has a sensor in the air handler that can determine when the heated air is actually warm enough for the main blower to kick in and circulate the air. Limit switches are built because if the air never warms up the you will lose all the heat as the air flows through the ducts.
Signals of a laboring limit type switch
- The HVAC system starts to run erratically more often than not
- Your International Comfort Products system will not begin the ignition sequence or will not stay running longer than 10 minutes
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