192-203 Siemens Thermostat

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, two-pipe high air capacity, with relay, room temperature control. Fahrenheit scale. Wall plate and mounting screws are included. ; The 192-203 RM STAT SSP 45/85F 2 PIPE RA