Siemens 193-217, Room Thermostat, Free Energy Band (TM), Pneumatic, Dual Setpoint, RA Heat/DA Cool, Deg F, 2-pipe.
This Powerstar Free Energy Band (TM) Pneumatic Room Thermostat with relay is revese acting for heating and direct acting for cooling applications. It has a four degree (Fahrenheit) deadband between the heating and cooling changeover, dual setpoint, dual output, two-pipe, high air capacity room temperature control, and 18 to 25 psi air supply. Fahrenheit. Wall plate and mounting screws are included.
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