Johnson Controls A19AAA-49 Utility Thermostat 320720-756 This 2-position actuator is designed
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Description
Johnson Controls A19AAA 49 Utility Thermostat 320720 756 This 2 position actuator is designed This 2 position actuator is designed for N C 2 way valves and 3 way Normally Closed (piping dependent) configurations the adjustable sensitivity—ranging from 1 4 to 4 psi per 1% RH—allows for the fine tuning required for stable pneumatic calibration