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The IMPERIAL MFG GROUP USA INC GV1822 is a 26-gauge galvanized steel straight tee fitting designed for use in sheet metal ductwork systems. This three-way tee measures 3 inches x 3 inches x 3 inches and provides a straight branch connection in low-pressure air distribution applications. The galvanized finish resists corrosion and extends service life in both conditioned and unconditioned spaces. HVAC technicians and sheet metal mechanics install this fitting during new ductwork fabrication or when modifying existing duct runs to add a branch line.
This straight tee is suited for residential and light commercial HVAC duct systems where a branch takeoff at equal diameter is required. It is typically installed in supply or return air trunk lines to split airflow to an additional duct run. The fitting ships in a package quantity of 12 units, making it practical for contractors handling multiple rough-in installations or stocking a service van.
Designed as an OEM-style replacement and new-installation fitting for 3-inch round galvanized sheet metal ductwork systems.
Installation is performed by licensed HVAC technicians or qualified sheet metal mechanics. Shut down the air handling unit and confirm the system is de-energized before cutting into or modifying an existing duct run. Secure the fitting using sheet metal screws and seal all joints with UL 181-rated foil tape or mastic sealant per local mechanical code requirements. Handle sheet metal edges with care to avoid cuts during fitting and fastening.
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