192-200 Siemens Thermostat

This 192 Powerstar single setpoint pneumatic Room Thermostat is direct 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. Fahrenheit scale. Wall plate and mounting screws are included. ; The 192-200 RM STAT SSP 45/85F 1 PIPE DA