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The AIR FLOW PRODUCTS 7241006 is a center end register boot designed to transition ductwork to a floor, wall, or ceiling register opening. This 90-degree boot connects a round or rectangular duct run to a 4x10-inch register face, with a 6-inch collar depth for secure duct attachment. It is used in forced-air HVAC systems to direct conditioned air through a register grille or diffuser. HVAC installers and sheet metal mechanics work with this fitting during new construction and retrofit duct installations.
This boot is suited for residential and light commercial forced-air applications where a center end takeoff is required. The 90-degree geometry makes it appropriate for installations where the duct approaches the register opening from a perpendicular angle, typical in floor boot and sidewall register configurations. The 4x10x6 sizing fits standard 4x10-inch register openings commonly found in residential supply duct systems.
Designed as an OEM-style replacement or new-installation fitting for residential and light commercial forced-air supply duct systems using standard 4x10-inch register openings.
This fitting is installed by licensed HVAC technicians or sheet metal mechanics as part of a supply duct system. Shut down the air handling unit and isolate the system before cutting into existing ductwork. Secure the boot to the duct with sheet metal screws and seal all joints with UL-listed foil tape or mastic sealant in accordance with local mechanical codes. Do not reduce or restrict the boot opening with improper register sizing.
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