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International Comfort Products FBF075F16A3 Limit Switch
A normal limit switch has a sensor in the air handler that senses, or governs, when the air is warm enough for the air to begin normal home circulation. Limit switches are crucial because if the air never warms up the you will lose all the heat as the air flows through the ducts.
Simple signals limit switch has very little life left
- Your system is starting to erratically from time to time
- The HVAC system will not initiate or will not stay running longer than 30 seconds
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