SIEMENS 192-202 Room Thermostat, Pneumatic, Heat/Cool, Fahrenheit Scale, 2-Pipe

The Siemens TH 192 S Thermostat is a single output, single setpoint, proportional sensor controller designed for use in 2-pipe (high air capacity) systems. It comes with a wall mounting plate for easy installation in a variety of rough-in terminal boxes. A sensitive bimetal inside the thermostat responds to temperature changes, allowing precise modulation of control air through a flapper nozzle. The device features a setpoint dial with a Fahrenheit scale for temperature adjustment, and mounting screws are included for convenience.

This thermostat is a crucial component for regulating pneumatic valve and damper actuators in heating and cooling systems such as air conditioners, space heaters, unit ventilators, and air volume controllers. By controlling the flow of air, it helps to maintain energy efficiency (maximizing economy) while ensuring occupant comfort. The cover of the thermostat is designed to allow easy access to the setpoint adjustment dial, making it simple to fine-tune the temperature settings.

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