Siemens 192-205 Pneumatic Room Thermostat Dual Setpoint, Day/Night, RA, 45/85F

Siemens 192-205, Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Fahrenheit.

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