ActronAir NSW-10 NEO Sense Zone Sensor is the wall-mounted zone sensor for NEO Touch ducted systems, continuously feeding individual room temperature back to the master controller so each zone holds its set point. A missing or failed zone sensor leaves that zone without local feedback, causing uneven comfort and hot or cold spots. Fit the 100% Genuine ActronAir NSW-10 to restore accurate per-zone control. Low voltage inputs only — connecting 240VAC will damage the sensor, and installation must only be performed by a qualified technician.