Siemens 192-203, Room Temp Thermostat, Pneumatic, RA, Heat/Cool, Fahrenheit, 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. Fahrenheit scale. Wall plate and mounting screws are included.
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