the two-position SPDT switch allows you to wire the unit to either make or break the circuit on a rise or fall in humidity

What does "intermittent duty" mean for this part

10" water column pressure differentials

Will this motor work in Janitrol units

if the sensor is "open" at temperatures where it should be "closed

Johnson Controls M9124-AGA-2 Actuator Els PW 17895 the two-position SPDT switch allowsThe Johnson Controls M9124 AGA 2 is a heavy duty, non spring return electric actuator engineered for precise positioning of dampers and valves in large scale HVAC systems. Delivering a robust 210 lb in torque, this direct coupled actuator is designed for floating control or two position signaling, operating on 24 VAC or 24 VDC power. With a standard travel time of 115 to 175 seconds, it ensures stable modulation without the risk of system hunting. The