Siemens 192-200 Pneumatic Room Thermostat 1-Pipe, Single Setpoint, DA, 45/85F

Siemens 192-200, Room Temp Thermostat, Pneumatic, Single Setpoint, DA, Heat/Cool, Fahrenheit.

Powerstar 192 series single setpoint pneumatic Room Thermostat, direct acting for heating or cooling applications, 18 to 25 psi air supply, proportional single output, single setpoint, one-pipe low air capacity non-relay room temperature control. Fahrenheit scale. Wall plate and mounting screws are included.