192-221 | Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 1-pipe | Siemens

This 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, one-pipe low air capacity non-relay room temperature control. Celsius scale. Wall plate and mounting screws are included.