Exhaust Fan Backdraft Damper

They are a necessary component for installation in 6 star rated energy saving homes.

Exhaust fan backdraft damper. It does not rust or require any maintenance. A complete line of damper products for fire and smoke control in life safety systems and for airflow control in commercial hvac and industrial systems. Backdraft shutters backdraft shutters or butterfly dampers are commonly used with inline exhaust fan systems. Ac infinity 4 backdraft damper one way airflow ducting insert with spring loaded folding blades for 4 ducting in range hoods and bathrooms fans 4 8 out of 5 stars 8 16 99 16.

Each exhaust shutter features durable galvanized steel aluminum or fiberglass frame construction with moisture and corrosion resistant stainless steel fasteners. Backdraft dampers also called gravity dampers allow airflow in one direction and prevent reverse airflow for use in exhaust or intake hvac systems. They help keep heat or cool in the building and birds and insects out. 2 pack 4 backdraft damper duct backflow preventer inline fan vent vent deflector professional back draft damper inline spring loaded exhaust pipe check fan valve with 2pcs clamps 18 99 18.

Exhaust shutters exhaust louvers motorized shutter louvers and weather hoods are a typical accessory used when installing an exhaust fan or supply air fan in the wall. Backdraft dampers can either be operated by gravity where pressure or velocity opens and closes the damper or motorized to open and close when required. The cape backdraft damper prevents cold air and moisture from entering the home through dryer vents exhaust fan ducts and range hood ducts. We sell backdraft shutters in both plastic and metal with a variety of sizes available depending on the size of fan and ducting you are using.

Premium back draft damper is installed into ductwork to prevent unwanted outdoor drafts from entering into your bathroom fan kitchen fan clothes dryer etc. Ultimate one way air flow valve allows air to flow out but not back in. Backdraft dampers ventilation shutters and louvers are either manually or mechanically opened and closed. The specially formulated fabric sleeve allows maximum air flow only in the desired direction.