Siemens 192-223, Room Thermostat, Pneumatic, Single Setpoint, RA Heat/Cool, Celsius, 2-pipe.
Powerstar 192 series single setpoint pneumatic Room Thermostat, reverse acting for heating or cooling applications, 18 to 25 psi air supply, 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.
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