Round Galvanized Steel HVAC Manual Volume Control Damper – Adjustable Airflow Duct Vent

Heavy-duty round galvanized steel HVAC damper designed for manual airflow regulation in heating, ventilation, and air conditioning ductwork.

Features a circular metal housing with an internal rotating damper blade and external manual adjustment lever. The metal control mechanism is marked OPEN and SHUT, allowing the blade to be positioned to regulate airflow.

Features:

* Round HVAC duct airflow control damper

* Galvanized sheet metal construction

* Adjustable internal circular damper blade

* Manual metal lever with OPEN/SHUT markings

* Wing nut locking adjustment mechanism

* Reinforced cylindrical housing

* Suitable for compatible ventilation and ductwork systems

* Sheet Metal Workers Union sticker inside

* Diameter: Approximately 8–9 inches; verify measurement before purchase

* Brand/Manufacturer: Not confirmed

Condition: Pre-Owned

Shows visible signs of previous use and storage, including scratches, scuffs, discoloration, oxidation, surface rust spots, and general wear throughout the galvanized metal.

The internal damper blade, shaft, and exterior adjustment hardware are present. Operation has not been verified.

Please examine all photographs carefully for the exact condition, measurements, and components included.

Includes: One round galvanized steel HVAC damper assembly as pictured.

Great for HVAC repairs, replacement duct components, ventilation projects, workshop applications, or compatible air distribution systems.

Brand	Unbranded
Type	Manual Damper
Shape	Round
Item Diameter	8 in
Material	Steel

8” Round HVAC Duct Damper Galvanized Steel Manual Air Flow Control Ventilation

Specifications

Returns Accepted