Product Description
. . . . . Johnson Controls humidity control with SPDT relay and 10-90% relative humidity, adjustable from 2-10% when used in conjunction with W99, HE-6300, or HE-6310 transmitters to stage humidification equipment.
Johnson Controls W351AB-2 Humidity Controller, Control Range 10% to 90%, Humidity Differential 2% to 10%, Input Voltage 120/240V AC, Contact Form SPDT. Johnson Controls. Johnson Controls. W351AB-2.