This 192 Powerstar Heating/Cooling Pneumatic Room Thermostat is direct acting heating @ 25 psi, reverse acting cooling @ 18 psi, and provides proportional dual setpoint, single output, two-pipe high air capacity room temperature control. Celsius scale. Wall plate and mounting screws included. ; The 192-228 RM STAT H/C DSTPT 7/30C DA/RA
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