192-223 | Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 2-pipe | Siemens

TThis 192 Powerstar single setpoint pneumatic Room Thermostat is reverse acting for heating or cooling applications, 18 to 25 psi air supply provides proportional single output, single setpoint, two-pipe high air capacity, with relay, room temperature control. Celsius scale with 1/2" setpoint knob option. Wall plate and mounting screws are included.