JOHNSON CONTROLS W43A-14 Humidistat Vac Spdt Switch 0-70 120/208/240

( Brand: Johnson Controls ), ( Manufacturer Part Number: W43A-14 ), ( Type: Humidity Control ), ( Features: Humidistat, Product Type Humidistat, Dehumidifier Control Compati ), ( Country Of Origin: Mx )

Review JOHNSON CONTROLS Humidistat 0-70% 120/208/240 Vac Spdt Switch

Johnson W43A-14 Humidistat - Precision Control for Comfort and Efficiency

The Johnson W43A-14 Humidistat is a versatile and reliable humidity control solution designed to maintain optimal indoor humidity levels in residential and commercial settings. This humidistat offers a flexible range of 0-70% RH, making it suitable for a wide variety of environments and climate conditions.

This humidistat is equipped with a Single-Pole Double-Throw (SPDT) switch, which allows for the control of two separate devices such as humidifiers or dehumidifiers. The switch is designed to work with three common voltage options: 120V, 208V, and 240V, ensuring compatibility with a broad range of HVAC systems.

The Johnson W43A-14 Humidistat is built with quality in mind. It features a durable construction that can withstand the demands of regular use. The device is easy to install and comes with clear instructions for quick and hassle-free setup.

In addition to its primary function, this humidistat also offers features such as a large, easy-to-read display, adjustable setpoint, and a low power consumption design that helps save energy and reduce costs. It is also designed to be user-friendly, with intuitive controls that allow for quick and easy adjustments to the desired humidity level.

The Johnson W43A-14 Humidistat is an excellent choice for anyone looking for a reliable and efficient humidity control solution. Whether you're looking to create a comfortable living space, protect valuable artwork, or maintain the optimal environment for certain plants, this humidistat is a perfect choice. With its flexible voltage options, easy installation, and user-friendly design, the Johnson W43A-14 Humidistat is a smart investment for any home or business.

1. **Versatility**: This humidistat is available in three voltage options (120V, 208V, 240V), making it suitable for a wide range of heating systems.

2. **Broad Humidity Range**: The humidity range of 0-70% is quite extensive, allowing for precise control of the indoor humidity level.

3. **Switch Type**: The Single-Pole Double-Throw (SPDT) switch design allows for control over two separate devices, such as two heating units or a heating unit and a fan.

4. **Reputable Brand**: Johnson is a well-known brand in the HVAC industry, indicating a potential guarantee of quality and durability.

1. **Manual Calibration**: Some users have reported that the humidistat requires manual calibration for accurate readings.

2. **Complex Installation**: The installation process may be more complex compared to simpler models, especially for those without HVAC experience.

3. **Potential for Inaccuracy**: Like any humidistat, there's a slight possibility of inaccurate readings due to factors like temperature fluctuations and humidity sources other than the HVAC system.

**Conclusion**: The Johnson W43A-14 Humidistat offers a broad humidity range, versatile voltage options, and the ability to control two devices. However, it may require manual calibration and has a somewhat complex installation process.

If you're comfortable with a bit of DIY and want precise control over your indoor humidity, this humidistat could be a good choice. However, if you're looking for a simpler, more user-friendly option, you might want to consider a different model with automated calibration and easier installation. Always ensure to check the specific requirements of your HVAC system before making a purchase.

Details:

In excellent tested and working used condition. Johnson Controls W43A-14 Humidistat, 0-70%, 120/208/240 VAC with SPDT switch.

part #: w43a14 prices

• $125.93-$240.00

specifications hvaapa:

• brand: Johnson Controls
• mpn: W43a-14
• type: Humidity Control
• features: Humidistat, Product Type Humidistat, Dehumidifier Control Compati
• country of origin: Mx

offer hvaapa:

• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 1
• started: December 21, 2025

general hvaapa:

• condition: Used
• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards

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• city: Blanchardville, Wisconsin
• rating: 100.0%
• # reviews: 541

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• other
• credit card: Mastercard

shipping hvaapa:

• service: USPS Ground Advantage
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• carrier: USPS
• class: Standard
• transit: 5-9 Days
• cost: $7.67

returns hvaapa:

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• policy: Returns Accepted
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• time: 30 Days

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