7" Duct Manual Volume Damper with Sleeve - $10 (Cleveland)
condition: like new size / dimensions: 7" x 18" long
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7-Inch Galvanized Sheet Metal Round volume damper with manual quadrant adjustment handle. Ideal for use in branch duct lines for adjusting supply or return air volume. Typical uses are for rooms that get minimal use and can be closed off for extended periods of time or rooms that need different amounts of airflow in the summer and winter. You can easily use this Damper with vent system HVAC parts. Sleeve is 18" long.
High Quality: Our Damper & Sleeves are made from Galvanized Steel. It can be used for wind protection. Designed for use in AC, dryer vent, exhaust, extractor, heating systems, fans, vents, and other residential, commercial, and industrial HVAC applications.
Balancing Airflow: Balancing dampers are simply manual dampers encased in a galvanized sheet metal sleeve. Each branch should have a balancing damper installed. That way, it's possible to regulate the airflow by adjusting the position of the damper. They should be located in areas that are easily accessible for adjustment. The ductwork regulates the flow of air and redirects it to specific places of a house.
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