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The Hart Cooley 3800-07-01 is a 7 inches steel butterfly damper designed for residential and light commercial HVAC applications. This damper is part of the 3800 Series product line and is built to regulate airflow through ductwork and supply air systems. It features a Golden Sand finish that blends with common ceiling and wall aesthetics, making it a practical choice for visible installations. The damper comes with a removable handle, allowing technicians to adjust airflow direction and volume quickly without additional tools. Butterfly dampers like this model are commonly used in forced air systems where airflow control is needed at the register or boot level. The steel construction provides durability and resistance to the stresses of daily HVAC operation. This unit is compatible with the 5400 Series Collar Ring and the 6400 Series Tabbed Collars, making it a reliable fit within the Hart Cooley ecosystem of HVAC components. HVAC installers and service technicians use butterfly dampers to balance airflow across multiple zones or rooms, reducing hot and cold spots. The 7 inches diameter matches common round duct sizes used in residential supply runs. Whether you are installing a new system or replacing a worn damper in an existing setup, the 3800-07-01 delivers straightforward installation and dependable airflow adjustment. The Golden Sand color finish gives it a clean, finished appearance suitable for exposed register applications. Trade professionals working with round duct systems will find this damper easy to specify and install, with compatibility across multiple Hart Cooley collar products for added flexibility on the job site.
The Hart Cooley 3800-07-01 provides reliable airflow regulation in residential and light commercial HVAC duct systems. Its 7 inches steel design and removable handle make installation and adjustment straightforward for HVAC technicians.
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