A conduit for communicating a flow of breathing gas from a pressure generating device to the airway of a patient. The conduit includes a first end which is structured to be coupled to the pressure generating device for receiving the flow of breathing gas and an opposite second end which is structured to be coupled to a patient interface device. The conduit further includes an active control element positioned at or near the second end； a first heating wire connected between the active control element and a first connection terminal positioned at or about the first end； and a second heating wire connected between the active control element and a second connection terminal positioned at or about the first end. Each of the first and second connection terminals are structured to be connected to a tube power supply.
