Waterway NEO 2100 ETS (Electronic Thermal Sensing) Temperature Sensor. Similar to Balboa's M7™ Technology, the NEO 2100 uses (2) ETS sensors to determine the water temperature.
Temperature Sensor This sensor is used with Some Jacuzzi Premium Hot Tubs and the following Sundance systems: 1992 Suncoast, 1996-98 Suntub, 1997-2005 400, 600, 600-S, 750, 800, 1997 850, and 2005+...
