BROAN-NuTone 82W Control

The Broan-NuTone 82W mechanical dehumidistat is a contractor-grade humidity control solution designed for precision moisture management in residential and light commercial ventilation systems. Engineered to integrate seamlessly with ducted exhaust fans and HRV/ERV systems, this 120V mechanical control allows for adjustable relative humidity settings ranging from 20% to 80%. Its decorator-style wall plate design ensures a clean, professional installation in standard single-gang junction boxes. Unlike basic integrated sensors, the 82W provides an analog humidity adjustment interface that allows technicians to set a specific threshold to prevent mold growth and condensation on building envelopes. Whether you are installing a high-CFM bathroom fan or a whole-house ventilator, this mechanical humidistat offers a reliable, low-voltage or line-voltage compatible switching mechanism that bypasses the complexities of digital interfaces, ensuring long-term field reliability and simplified troubleshooting for service calls.

• Universal Compatibility: Works with a broad range of Broan-NuTone ventilation fans and competitive brand AC-powered exhaust systems.
• Precision Dial Control: Provides adjustable RH (Relative Humidity) settings between 20% and 80% for site-specific calibration.
• Robust Electrical Rating: Rated for 120V applications, making it a versatile analog humidity sensor for direct-wire installations.
• Simplified Installation: Standard white decorator styling fits modern interiors and uses standard wiring practices for quick deployment.
• Passive Operation: Mechanical design eliminates the need for software updates or complex digital programming in the field.

What is the best RH setting for residential mold prevention?
Most HVAC professionals recommend setting the Broan 82W between 45% and 55% RH to balance occupant comfort with the prevention of surface condensation.

Can the 82W control multiple fans simultaneously?
Yes, provided the total amperage does not exceed the control's specific resistive load rating; however, parallel wiring should be verified against local electrical codes.

Does this unit require a neutral wire?
The NuTone 82W typically functions as a mechanical switch in series with the load; technicians should consult the wiring diagram provided for specific line-voltage or low-voltage configurations.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.