192-223 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. Celsius scale with 1/2″ setpoint knob option. Wall plate and mounting screws are included. ; The 192-223 RM STAT SSP 7/30C 2 PIPE RA