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The IMPERIAL MFG GROUP USA INC GV0705-C is a 30-gauge galvanized steel register boot designed for residential and light commercial HVAC duct systems. It transitions from a 4 inch by 12 inch duct opening to a 6 inch round collar, making it a straight-back boot suited for floor or sidewall register installations. Licensed HVAC technicians and sheet metal installers use this fitting to connect round flex duct or rigid round pipe to a standard 4 inch by 12 inch floor or wall register. The 30-gauge galvanized construction resists corrosion in typical forced-air environments.
This boot is used in forced-air heating and cooling systems where a round duct branch must terminate at a rectangular register face. It is a common fitting in residential new construction, remodels, and retrofit projects where 4 inch by 12 inch registers serve individual supply runs. The straight-back design is appropriate for installations where the duct approaches the boot from directly behind the register face rather than from the side or end.
Designed as an OEM-style replacement and new-installation fitting compatible with standard 4 inch by 12 inch HVAC supply registers in residential and light commercial forced-air duct systems.
Installation is performed by licensed HVAC technicians or qualified sheet metal workers. Power down the air handler and close the system before cutting into existing ductwork. Secure the boot to the subfloor or wall framing using appropriate fasteners, and seal all joints with listed duct sealant or metal tape per local mechanical codes. Do not use standard cloth-backed duct tape as a primary sealant.
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