Broan-NuTone 791LEDM

Broan-NuTone 791LEDM Ventilation Fan with LED Light

Model: 791LEDM

Brand: Broan-NuTone

Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Broan-NuTone 791LEDM Ventilation Fan with integrated LED light. This high-quality, single-speed fan is designed to effectively reduce humidity and improve air quality in rooms up to 105 sq. ft., such as bathrooms. Its compact housing allows for easy room-side installation, making it suitable for both new constructions and retrofit applications without requiring attic access. The fan incorporates TrueSeal damper technology to minimize air leakage, enhancing home performance and preventing backdrafts.

Broan-NuTone 791LEDM Ventilation Fan with LED Light

Image: The Broan-NuTone 791LEDM ventilation fan, featuring a white grille and an integrated LED light, designed for ceiling installation.

Safety Information

Please read and understand all instructions before beginning installation or operation. Failure to follow these instructions could result in electric shock, fire, or serious injury.

  • Always disconnect power at the service panel before wiring or servicing the unit.
  • All wiring must comply with local electrical codes and ordinances.
  • This unit is UL Listed for use over bathtubs and showers when connected to a Ground Fault Circuit Interrupter (GFCI) protected branch circuit.
  • Do not use this fan in a kitchen. It is designed for bathroom and general ventilation applications.
  • Ensure proper grounding of the unit.
  • Do not install in a ceiling with insulation exceeding R-50.

Product Overview

The Broan-NuTone 791LEDM combines efficient ventilation with integrated LED lighting, offering a comprehensive solution for maintaining air quality and illumination in your space.

Key Features:

  • High-Quality Fan Combo: Quiet, energy-efficient exhaust fan and 12-Watt LED light combo.
  • Efficient Ventilation: Reduces humidity and eliminates fogged mirrors at 110 CFM and 1.5 Sones, suitable for rooms up to 105 sq. ft.
  • TrueSeal Damper Technology: Reduces air leakage by up to 50% compared to competitive models, improving home performance and preventing cold/warm air backdrafts.
  • Integrated LED Light: Provides bright, clear illumination.
  • Room-Side Installation: Designed for easy installation or replacement entirely from the room side, eliminating the need for attic access.
Internal view of Broan-NuTone 791LEDM fan motor and housing

Image: An internal view of the Broan-NuTone 791LEDM fan, showing the blower wheel and motor assembly within its metal housing, with the duct connector visible.

Setup and Installation

The Broan-NuTone 791LEDM is designed for straightforward room-side installation, simplifying the process for both new and existing applications.

Installation Steps (Summary):

  1. Preparation: Ensure power is disconnected. Identify the installation location, typically between ceiling joists.
  2. Cut Opening: Carefully cut the ceiling opening according to the provided template or dimensions.
  3. Mount Housing: Secure the fan housing to the ceiling joists. The design allows for mounting directly to inboard joists.
  4. Duct Connection: Connect the fan to existing ductwork using the Non-Metallic Damper/Duct Connector. Ensure a secure and airtight connection.
  5. Electrical Wiring: Connect the electrical wiring according to the wiring diagram in the full manual. Ensure all connections are secure and comply with local codes.
  6. Install Grille and Light: Attach the fan grille and LED light assembly.

For detailed, step-by-step installation instructions, including wiring diagrams and specific measurements, please refer to the official Installation Manual (PDF) available at: Broan-NuTone 791LEDM Installation Manual.

Broan-NuTone 791LEDM fan installed in a bathroom ceiling

Image: A Broan-NuTone ventilation fan with LED light installed in the ceiling of a modern bathroom, demonstrating its discreet integration.

Dimensional drawing of Broan-NuTone 791LEDM fan and grille

Image: A technical drawing illustrating the dimensions of the Broan-NuTone 791LEDM fan housing and its external grille, providing measurements for installation planning.

Operating Instructions

The Broan-NuTone 791LEDM fan and light operate independently or together, depending on your wiring configuration and switch type.

Basic Operation:

  • Power On/Off: The fan and light are typically controlled by a standard wall toggle switch or a remote control, as indicated in the specifications. Flip the switch to turn the unit on or off.
  • Ventilation: When the fan is on, it will draw air at a rate of 110 Cubic Feet Per Minute (CFM), effectively removing moisture and odors from the room.
  • Lighting: The integrated 12-Watt LED light provides consistent illumination for your space.

For optimal performance, operate the fan during and after activities that generate moisture, such as showering or bathing, to ensure proper humidity control.

Maintenance

Regular maintenance ensures the longevity and efficient operation of your Broan-NuTone ventilation fan.

Cleaning the Grille and Fan Assembly:

  1. Disconnect Power: Always turn off power to the fan at the service panel before cleaning.
  2. Remove Grille: Gently pull down the grille from the ceiling. It is typically held by spring clips.
  3. Clean Grille: Wash the grille with mild soap and water. Rinse thoroughly and dry completely before reinstallation.
  4. Clean Fan Interior: Use a soft cloth or vacuum cleaner with a brush attachment to remove dust and debris from the fan housing, motor, and blower wheel. Do not use abrasive cleaners or solvents.
  5. Reinstall Grille: Once clean and dry, reattach the grille by pushing it firmly back into the ceiling opening until the spring clips secure it.

Perform this cleaning process at least once every six months, or more frequently if the fan is used heavily or in dusty environments.

Troubleshooting

If your Broan-NuTone 791LEDM fan is not operating as expected, refer to the following common issues and solutions:

ProblemPossible CauseSolution
Fan does not operateNo power to the unit; Loose wiring connection; Motor malfunction.Check circuit breaker/fuse; Verify all electrical connections are secure; Contact qualified electrician if motor is suspected.
Fan is noisy or vibratesAccumulation of dust/debris on blower wheel; Loose mounting screws; Damaged motor or blower wheel.Clean blower wheel and housing; Tighten mounting screws; If noise persists, professional inspection may be required.
Poor air movement/humidity controlBlocked ductwork; Dirty grille or blower wheel; Improper fan sizing for room.Check ductwork for obstructions; Clean grille and blower wheel thoroughly; Ensure fan CFM matches room size (up to 105 sq. ft. for this model).
LED light does not workNo power to the light; Loose wiring connection; LED module failure.Check light switch and circuit; Verify wiring connections; Contact customer support for LED module replacement if necessary.

If you are unable to resolve an issue after consulting this table, please contact Broan-NuTone customer support or a qualified electrician.

Specifications

Detailed technical specifications for the Broan-NuTone 791LEDM Ventilation Fan:

AttributeValue
BrandBroan-NuTone
Model Name791LEDM
ColorWhite
Electric Fan DesignExhaust Fan
Power SourceAC
Product Dimensions (D x W x H)5.75"D x 10"W x 9.25"H
Room TypeBathroom
Special FeatureEnergy Efficient
Recommended UsesHome
Noise Level1.5 Sones
Wattage26 watts
Air Flow Capacity110 Cubic Feet Per Minute (CFM)
Voltage120 Volts
Switch TypeToggle
Item Weight8.9 Pounds (8.91 pounds)
Included ComponentsLED Bulb, Non-Metallic Damper/Duct Connector
Indoor/Outdoor UsageIndoor
Specification MetEnergy Star, Certified Frustration-Free
Control MethodRemote
Number of Power Levels1
Installation TypeFlush Mount
UPC026715239559
Size (Room Coverage)105 Sq Ft Rooms
Assembly RequiredNo
Number of Pieces1
Batteries RequiredNo

Warranty and Support

Your Broan-NuTone 791LEDM Ventilation Fan is backed by a manufacturer's warranty and dedicated customer support.

Warranty Information:

This product comes with a 3-Year Limited Warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.

Customer Support:

For technical assistance, troubleshooting beyond this manual, warranty claims, or to inquire about replacement parts, please contact Broan-NuTone customer service. You can find contact information and additional resources on the official Broan-NuTone website or by visiting their store on Amazon: Broan-NuTone Amazon Store.

© 2025 Broan-NuTone. All rights reserved.

This manual is for informational purposes only. Broan-NuTone reserves the right to make changes without prior notice.

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