Siemens 192-204 Pneumatic Room Thermostat Dual Setpoint, Day/Night, DA, 45/85F

Siemens 192-204, Room Temp Thermostat, Pneumatic, Dual Setpoint, DA, Day/Night, Fahrenheit.

Powerstar 192 series Day/Night Pneumatic Room Thermostat, direct acting for day/night applications, 18 psi day and 25 psi night, proportional dual setpoint, two-pipe high air capacity room temperature control with relay. Fahrenheit scale.

The thermostat automatically resets the room temperature setpoint during unoccupied hours by changing the supply air pressure to the thermostat. A manual override feature allows occupants to switch to day mode. The override returns to night mode the following night.