Carrier ZONEBB3ZHP01 Zone Control Els PW 29614 preventing ghost faults and inaccurate preventing ghost faults and inaccurate high limit tripping that can occur with generic universal thermistors this element utilizes a remote sensor with a 2 meter capillary tube to monitor and regulate medium temperatures in demanding industrial environments Equipment Protection: Includes a factory supplied LAT sensor (Leaving Air Temperature) to monitor discharge air and prevent heat exchanger or evaporator damage This 3 zone control system is designed to interface with most conventional 24V programmable or non programmable thermostats