Duct Air Dampers

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If you want to prevent debris or small animals from entering into your ductwork from the outside. This damper plays a significant role in the efficiency of your range hood, making it an essential component of a venting system.

Broan® 7" Stainless Steel Damper for Round Discharge Range Hood

Broan is North America's largest producer of residential ventilation products such as Range Hoods, Bath Fans, Ventilation Fans, Make-Up Air Dampers and Indoor Air Quality products. Since their beginning in 1932, Broan has pioneered many of the product innovations now established as standards of the industry. Today, Broan carries on the commitment to provide the finest products in the industry.

*Images may not reflect actual size. Color in images may differ in person; see retailer for the actual finish.

Specially designed airflow regulators limit high CFM range hoods to a maximum of less than 300 CFM, complying with most local codes for hood installations without the need for make-up air.

Broan® 6" CFM Reducer Kit

As a result, these kits give access to a broader offering of styles and designs within the standard Broan line of range hoods without the need for costly add-on systems in the home.

Access to a broader offering of styles and designs

EAN:

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

Maximize the air and sound performance of your Broan ventilation fan or range hood using one of our wide variety of ducting accessories. Damper is made of 24 gauge galvanized steel construction for durability and long life.

Broan® 8" Round Inline Damper

8" round horizontal or vertical in-line damper operates in conjunction with the use of your ventilation fan or range hood

Damper is made of 24 gauge galvanized steel construction for durability and long life

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® 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.

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® 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.

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® 6" 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.

Slave dampers 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

Slave dampers are designed to work with all BROAN® Automatic make-up air dampers including Direct Wire models MD6T, MD8T and MD10T, LinkLogic controlled models SMD6 and SMD8 and Universal models MD6TU, MD8TU and MD10TU

Broan® 8" Round Duct

8" round duct comes in 2-foot long sections for convenient installation

Duct is made of 28 gauge galvanized metal for durability and long life

Broan® 7" Round Duct

7" round duct comes in 2-foot long sections for convenient installation

Broan® 7" Round Damper

7" Round Damper with Foam for Range Hoods

Includes sound dampening foam for quiet operation

Extruded steel with electronically-bonded epoxy finish

As one of the first appliance manufacturers to partner with world-class creative talent, Zephyr has always been at the forefront of design in the kitchen. Whether developing our own products or discovering and bringing to market the best of other categori

Zephyr 8" Round Universal Make Up Air Damper Kit

For use with any Zephyr hood operating over 300 CFM up to 1000 CFM

Meets International Residential Code M1503.4

Automatically opens when range hood is operating

Automatically closes when range hood is off

Adjustment screw to adjust damper opening

As one of the first appliance manufacturers to partner with world-class creative talent, Zephyr has always been at the forefront of design in the kitchen. Whether developing our own products or discovering and bringing to market the best of other categories, we apply our purpose-driven approach, impeccable taste, and adventurous spirit to deliver inspiring experiences that create emotional impact.

Duct Air Dampers

Zephyr 8" Round Universal Make Up Air Damper Kit

$229.00

Broan® 6" Automatic Make-Up Air Damper

$180.49

Broan® 6" CFM Reducer Kit

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

$241.55

Broan® 7" Round Damper

$19.00

Broan® 7" Round Duct

$24.36

Broan® 7" Stainless Steel Damper for Round Discharge Range Hood

Broan® 8" Aluminum Round Duct

$91.49

Broan® 8" Automatic Make-Up Air Damper

$189.20

Broan® 8" Automatic Make-Up Air Damper

Broan® 8" Round Duct

$26.57

Broan® 8" Round Inline Damper

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