Johnson Controls W43A-14 SPDT Line Voltage Humidistat 0-70% RH Range

The Johnson Controls W43A-14 is a wall-mounted line voltage humidistat designed for precision humidity control in commercial and residential HVAC applications. This SPDT contact humidistat provides control of humidifying or dehumidifying equipment, offering reliable operation in building automation systems and climate control environments.

Key Features:

• Humidity range from 0-70% RH with a fixed differential of 4%
• Rated 6 amp capacity at 120V and 3 amp capacity at 240V
• SPDT (Single Pole Double Throw) switch action for versatile control applications
• Field-adjustable high and low stops that can be set for locked setting
• Universal knob adjustment for easy setpoint changes
• NEMA 1 rated enclosure for indoor installation
• Flush-mounting bracket that fits a standard outlet box is supplied
• Includes faceplate for horizontal mounting that can be installed over vertical plate and field converted to concealed adjustment

The W43A series humidistat is designed for use in Building Automation Systems (BAS), HVAC systems, and general climate control applications where precise humidity monitoring and control are essential. The robust construction and adjustable range stops make this controller ideal for applications requiring restricted adjustment ranges or locked settings to prevent unauthorized changes.