192-209 Siemens Thermostat

This 192 Powerstar Heating/Cooling Pneumatic Room Thermostat is reverse acting heating @ 25 psi, direct acting cooling @ 18 psi, and provides proportional dual setpoint, single output, two-pipe high air capacity room temperature control. Fahrenheit scale. Wall plate and mounting screws included. ; The 192-209 RM STAT H/C DSTPT 45/85F RA/DA