Siemens 540-680FB ROOM TEMP SENSOR, SENSING W/ OVERRIDE, SETPT, FAHRENHEIT DISPLAY, WHITESiemens 540 680FB Room Temp Sensor, Sensing w Override, Setpt, Fahrenheit Display, WhiteThis Series 1000 Room temperature Sensor provides accurate, reliable sensing of room temperature for a Terminal Equipment Controller (TEC). Features include flush mounted override button, a high accuracy setpoint slide and a Fahrenheit temperature display. The sensor measures 3 11 32 high x 2 1 2" wide x 1 1 2" deep and has a temperature monitoring range from 55 to