The A.J. Antunes 8502100053 TFH Limit Controller is a dependable and vital component for accurate temperature regulation in HVAC systems. Operating at a voltage of 24V, this limit controller is designed to monitor and manage temperature limits in a variety of heating and cooling applications, assuring safe and efficient system performance. As a limit controller, the TFH type protects HVAC equipment by avoiding overheating or excessive cooling. It continuously checks the system's temperature, and if it exceeds preset limits, the controller activates safety measures that shut down or alter the system as necessary. This helps to prevent damage and maintain peak performance. The A.J. Antunes TFH is suitable for use in both home and commercial heating systems, including furnaces and boilers Limit Controller enhances system reliability and longevity.

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