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JOHNSON CONTROLS Humidistat: Surface Mount - Humidifier & Dehumidifier Controls
JOHNSON CONTROLSHumidifier & Dehumidifier Controls

JOHNSON CONTROLS Humidistat: Surface Mount

The JOHNSON CONTROLS Humidistat (MPN W42AA-1C) is a surface-mount humidifier and dehumidifier control. It operates on an input voltage of 120/240V AC and does not include an outdoor temperature sensor.

SKU 3G-OTH-67470

Brand
JOHNSON CONTROLS
Item
Humidistat: Surface Mount
Category
Humidifier & Dehumidifier Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
W42AA-1C
Type
Dehumidifier Control Compatible / Humidifier Control Compatible
Product Type
Humidistat
Input Voltage
120/240V AC
Mounting Location
Surface Mount
Outdoor Temperature Sensor
No
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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS Humidistat (MPN W42AA-1C) is a surface-mount humidifier and dehumidifier control. It operates on an input voltage of 120/240V AC and does not include an outdoor temperature sensor.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS humidifier & dehumidifier controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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