Siemens 192-204 PNEUMATIC CONTROL

This 192 Powerstar Day/Night Pneumatic Room Thermostat is direct acting for day/night applications, 18 psi day and 25 psi night, and provides 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. For a complete list of Siemens TH19X Powerstar Room Thermostat mounting hardware, covers and accessories, See Section A of Siemens Master HVAC Products Catalog, part number 144-001."

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