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The AIR FLOW PRODUCTS 5261408 is a straight ceiling diffuser boot designed to connect supply ductwork to a ceiling diffuser in residential and light commercial HVAC systems. The boot measures 6 inches by 14 inches by 8 inches and provides a direct, straight-path transition from the duct run to the diffuser face. HVAC technicians and installers use this fitting to terminate supply runs at the ceiling plane, ensuring a clean, properly sized opening for airflow distribution.
This diffuser boot is suited for residential new construction and retrofit applications where a straight ceiling diffuser connection is required. It installs at the end of a supply trunk or branch run and mates with a standard ceiling diffuser to deliver conditioned air into the occupied space. The 6 by 14 by 8 inch configuration accommodates common duct sizing found in residential forced-air systems.
Designed as an OEM-style replacement and new-installation fitting for residential and light commercial forced-air supply duct systems requiring a straight ceiling diffuser boot termination.
Installation is performed by licensed HVAC technicians or qualified sheet metal installers. The air handler or furnace should be powered down before beginning duct work. The boot is secured to the duct run and ceiling framing using standard sheet metal screws and sealed with mastic or UL 181-rated tape per local mechanical code requirements. Verify diffuser face dimensions match the boot opening before fastening.
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