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The AIR FLOW PRODUCTS 5241006 is a straight ceiling diffuser boot designed to connect ductwork to a ceiling diffuser in residential and light commercial HVAC systems. This boot provides a clean, direct transition from the supply duct to the ceiling diffuser opening, maintaining consistent airflow direction without offset. Sized at 4 x 10 x 6 inches, it fits standard rectangular duct configurations and is installed by HVAC technicians during new construction or duct modification projects. The straight-run design minimizes turbulence at the diffuser face, supporting balanced air distribution across the conditioned space.
This diffuser boot is suited for ceiling-mounted supply air applications in residential forced-air systems and light commercial spaces where a straight drop from the branch duct to the ceiling plane is required. It is commonly installed in new construction framing bays, above suspended ceilings, or during duct replacement work where a standard 4 x 10 x 6 inch boot footprint is specified.
Designed as an OEM-style replacement or new-installation boot for standard ceiling diffuser assemblies requiring a straight 4 x 10 x 6 inch rectangular boot connection.
Installation is performed by a licensed HVAC technician. Power down the air handling unit and close the damper on the supply trunk before fitting or fastening the boot. Seal all joints with UL-listed foil tape or mastic sealant per local mechanical code requirements to prevent air leakage. Ensure the diffuser face plate is secured flush to the ceiling surface after the boot is set.
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