Siemens 193-235 ROOM TSTAT, FREE ENERGY BAND, PNEUMATIC, DSP, DA, HEAT/COOL, DEG C, 2-PIPESiemens 193 235 Room Tstat, Free Energy Band, Pneumatic, DSP, DA, Heat Cool, Deg C, 2 pipe This Powerstar Pneumatic Room Thermostat Chassis and Wall Plate is a 2 pipe, high air output, Dual Set Point, Dual Output, Heat Direct Acting, Cool Direct Acting, 15 psi cool and 30 psi heat for Heat Cool applications with Celsius scale. Additional Information Mounting2 pipe DisplayDual Setpoint Operating rangeFree Energy Band Measuring rangeCelsius