193-212 Siemens Thermostat

This Powerstar Free Energy Band (TM) Pneumatic Room Thermostat, non-relay, is direct acting for heating and reverse acting for cooling applications. It has a 4 degree (Fahrenheit) deadband between the heating and cooling changeover, dual setpoint, dual output, one-pipe, low air capacity for room temperature control, and 18 to 25 psi air supply. Fahrenheit scale. Wall plate and mounting screws are included.; The Siemens 193-212 P’STAR FEB STAT,H/C,DA/RA