2218-133
Pneumatic Thermostat
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Direct Acting At 16 psig, Reverse Acting At 25 psig, 55 F To 85 F Setpoint Range, Summer Or Winter, Two-Pipe.

Features

Designed For Proportional Control Of Pneumatic Valves And Damper Actuators In Environmental Control Systems Where A Dual Pressure Air Main Is Utilized For Seasonal Changeover Of Heating And Cooling Functions
Has A Serrated Thumb Wheel For Setpoint Adjustment