Duct Air Dampers

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Select the Broan-NuTone® 641 Wall Cap to provide reliable wall ventilation. Features an aluminum finish and is designed for use with 6" Round Duct. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct

Broan-NuTone® Aluminum Wall Cap

Cushioned, spring-loaded, anti-backflow sash reduces metallic rattling caused by wind

Equipped with an avian screen that prevents birds and small animals from entering the ducts

Select the Broan-NuTone® 641 Wall Cap to provide reliable wall ventilation. Features an aluminum finish and is designed for use with 6" Round Duct. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct.

Providing make-up air for exhaust devices is easy, controlling it is not – until now. BROAN® Directwire Make-Up Air Dampers, when interlocked with slave dampers, open in unison to provide synchronized operation for kitchen, bath and whole house ventilatio

Broan® 8" Automatic Make-Up Air Damper

The MD8T is wired to the transformer, using low voltage wiring, which signals the damper to open and close while the range hood is in operation. The intelligent design options ensure optimum performance in a variety of installations and applications.

Interlocked make-up air dampers provide make-up air when called for to keep the home comfortable by allowing the range hood to operate at optimum levels

Directwire design works with select BROAN® range hoods to balance indoor air pressure by providing interlocked make-up air; damper opens automatically when fans are activated

Slave dampers (MD6S or MD8S) are interlocked to the main automatic or universal make-up air damper and open in unison for synchronized operation. They close, along with the main damper, as soon as the range hood is powered off. Slave dampers can be “ganged” together to provide a cost effective means to provide for higher volumes of make-up air

Interlocked make-up air damper systems meet IRC Code requirements for make-up air with range hoods over 400 CFM

Interlocked make-up air systems avoid wasted energy associated with barometric solutions and do not let unwanted air into the home during heating or cooling activities so air pressure is equalized for a well-balanced environment

Fresh air wall caps are required for use with Make-Up Air Dampers

Providing make-up air for exhaust devices is easy, controlling it is not – until now. BROAN® Directwire Make-Up Air Dampers, when interlocked with slave dampers, open in unison to provide synchronized operation for kitchen, bath and whole house ventilation products.

Electrical requirements

Galvanized steel construction

Includes

Broan is America’s leading brand of residential ventilation products including kitchen exhaust range hoods, bathroom ventilation fans, fresh air systems, whole-house fans and attic ventilators.

Broan® 8" Aluminum Round Duct

Maximize the air and sound performance of your Broan ventilation fan or range hood using one of our wide variety of ducting accessories.

For Range Hoods and Bath Ventilation Fans

Overall size showing on the surface is 12-1/2" wide x 13" high with a 6" hood and a 3-3/8" long attachment collar for 8" round ductwork (NOT for use with dryer venting)

Wall cap is made of 22 gauge CRCQ steel construction with a .025 natural aluminum finish for durability and long life

Designed to provide the best technology to equalize pressure between indoors and outdoors, while providing effective ventilation for a cleaner, healthier home. Eliminate gases, smoke or particulates generated from naturally vented combustion devices like 

Broan® 10" Universal Automatic Make-Up Air Damper with Pressure Sensor Kit

Only BROAN offers such a complete and simple solution for automatic and controlled fresh air into the home every time you turn on the range hood! This is an interlocked, synchronized system that installs easily and requires only low voltage wiring to the sensor. Perfect for new construction or retrofit into an existing home.

BROAN® interlocked make-up air dampers provide outside air when required to keep the air in the home fresher by allowing the range hood to operate at optimum levels

Universal design works with any BROAN® range hood to balance indoor air pressure by providing interlocked make-up air without requiring a direct wire connection between the range hood and the damper. Instead a sensor is attached to the exhaust duct to detect if the range hood is operating

Slave dampers (MD6S, MD8S or MD10S) are interlocked to the main automatic or universal make-up air damper and open in unison for synchronized operation. They close, along with the main damper, as soon as the range hood is powered off. Slave dampers can be “ganged” together to provide a cost effective means to provide for higher volumes of make-up air

Designed to provide the best technology to equalize pressure between indoors and outdoors, while providing effective ventilation for a cleaner, healthier home. Eliminate gases, smoke or particulates generated from naturally vented combustion devices like a fireplace or water heater.

Broan® 6" Automatic Make-Up Air Damper

The MD6T is wired to the transformer, using low voltage wiring, which signals the damper to open and close while the range hood is in operation. The intelligent design options ensure optimum performance in a variety of installations and applications.

Broan® 6" Universal Automatic Make-Up Air Damper with Pressure Sensor Kit

This 10" Range Hood Air Kit, works with hoods that have ventilation greater than 400 CFM. This kit improves indoor air quality and range hood performance by replacing the air removed from a room during ventilation. This is an accessory item that can be us

Whirlpool® Range Hood Air Kit

For use with 3-1/4" x 10" rectangular venting applications

This 10" Range Hood Air Kit, works with hoods that have ventilation greater than 400 CFM. This kit improves indoor air quality and range hood performance by replacing the air removed from a room during ventilation. This is an accessory item that can be used across several brands; check to see if your model number is compatible. Installing this accessory will require basic hand tools, some disassembly of the range hood and novice repair experience.

Shipping Weight:

At Whirlpool, we advance technology to the point of Simplicity. Creating innovation that's forward thinking for what we choose to put in it – and what we don't. Great design that fits seamlessly into life. And is truly a pleasure to live with.

Whirlpool® Range Hood Make Up Air Kit

Designed to provide the technology to equalize pressure between indoors and outdoors, while providing effective ventilation for a cleaner, healthier home. Eliminate gases, smoke or particulates generated from naturally vented combustion devices like a fir

Best® 8" Universal Make-Up Air Damper

Only BEST® offers such a complete and simple solution for automatic and controlled fresh air into the home every time you turn on the range hood! This is an interlocked, synchronized system that installs easily and requires only low voltage wiring to the sensor. Perfect for new construction or retrofit into an existing home.

Interlocked make-up air dampers provide outside air when required to keep the air in the home fresher by allowing the range hood to operate at optimum levels

Universal design works with any BEST® range hood to balance indoor air pressure by providing interlocked make-up air without requiring a direct wire connection between the range hood and the damper. Instead a sensor is attached to the exhaust duct to detect if the range hood is operating

Designed to provide the technology to equalize pressure between indoors and outdoors, while providing effective ventilation for a cleaner, healthier home. Eliminate gases, smoke or particulates generated from naturally vented combustion devices like a fireplace or water heater. 

Duct Air Dampers

Best® 8" Universal Make-Up Air Damper

$429.00

Broan-NuTone® Aluminum Wall Cap

$72.00

Broan® 6" Automatic Make-Up Air Damper

$249.00

Broan® 6" Universal Automatic Make-Up Air Damper with Pressure Sensor Kit

$389.00

Broan® 8" Aluminum Round Duct

$149.00

Broan® 8" Automatic Make-Up Air Damper

$299.00

Broan® 10" Universal Automatic Make-Up Air Damper with Pressure Sensor Kit

$569.00

Whirlpool® Range Hood Air Kit

$318.99

Whirlpool® Range Hood Make Up Air Kit

$528.99

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