The Imperial GV0702 universal straight boot provides an efficient in-line transition point between round supply piping and rectangular floor or wall grilles. Fabricated from high-quality 30-gauge galvanized steel, this durable sheet metal boot provides optimal resistance against rust and corrosion, ensuring long-term structural integrity inside residential duct networks.
This duct fitting features a 6-inch round throat opening on one side that transitions smoothly into a 3-1/4 inch by 10 inch rectangular register collar. HVAC contractors regularly choose this straight stack boot configuration when running individual branch ducts directly through floor joists or wall framing cavities to supply conditioned airflow into room interiors.
Before completing your heating layout installation, ensure that your register box dimensions match the 3-1/4 by 10 footprint and that your duct sizing accepts 6-inch round pipe. Sealing the joints with approved foil tape or duct mastic creates a tightly bound connection that minimizes air leakage, helping maintain optimal static pressure throughout the layout.









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