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The VALUE COLLECTION 15004006 is a 4-inch inside diameter galvanized round adjustable elbow designed for use in sheet metal ductwork systems. Fabricated from 26-gauge galvanized steel, this elbow allows technicians to change airflow direction within a duct run while maintaining a consistent 4-inch end size on both ends. The adjustable design accommodates a range of angles, reducing the need to stock multiple fixed-degree fittings. HVAC installers and sheet metal workers use this fitting in residential and light commercial forced-air systems wherever a directional change is required in round duct layouts.
This elbow is suited for low-pressure round duct applications in forced-air heating, cooling, and ventilation systems. It is a common component in trunk-and-branch duct configurations, attic runs, and crawl space installations where duct routing must navigate framing, beams, or other obstructions. The overall width of 7 inches should be verified against available clearance before installation. Sold individually.
Designed as a standard replacement or new-installation fitting for 4-inch round galvanized ductwork in residential and light commercial forced-air HVAC and ventilation systems.
Installation is typically performed by licensed HVAC technicians or sheet metal workers following local mechanical codes and SMACNA duct construction standards. Shut down the air handling unit and confirm the system is depressurized before cutting into or modifying existing duct runs. Secure the fitting with sheet metal screws and seal all joints with UL-listed foil tape or mastic sealant to maintain system efficiency and prevent air leakage. Avoid over-crimping the collar ends, as this can distort the 4-inch opening and compromise the seal.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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