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The AIR FLOW PRODUCTS 7341207 is a 90-degree register boot designed to transition ductwork from a horizontal or vertical run to a floor, wall, or ceiling register opening. This fitting connects the supply duct to the register face, directing conditioned air into the living or working space. The 90-degree angle allows the duct to turn and terminate flush with the finished surface. It is sized at 4 inches by 12 inches by 7 inches, making it suited for standard residential and light commercial supply air applications. HVAC installers and sheet metal mechanics typically specify this boot during new construction rough-in or when replacing a damaged fitting on an existing system.
This register boot is used in forced-air heating and cooling systems where a right-angle transition is needed between the supply trunk or branch duct and the room register. It fits a standard 4 x 12 x 7 inch opening and is appropriate for residential construction as well as light commercial projects where standard duct sizing applies. Installers select this fitting when duct runs approach the register location from an angle that requires a 90-degree turn rather than a straight-drop or side-wall boot.
Designed as an OEM-style replacement or new-installation fitting for standard forced-air supply duct systems requiring a 90-degree register boot in a 4 x 12 x 7 inch configuration.
Installation is typically performed by a licensed HVAC technician or sheet metal mechanic. Shut down the air handling system before cutting into existing ductwork or removing an existing boot. Secure the boot to the duct with sheet metal screws and seal all joints with UL-listed duct tape or mastic sealant in accordance with local mechanical codes. Ensure the register face opening aligns with the finished floor, wall, or ceiling surface before fastening.
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