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The SEAL-TITE 1373R-021206 is a right end boot fitting designed for duct distribution systems in residential and light commercial HVAC applications. This boot transitions from a round duct connection to a rectangular register opening, directing conditioned air through a floor, wall, or ceiling termination. The right-hand configuration orients the duct collar to the right side of the boot face, and the included 2 inch extension provides additional depth to accommodate thicker floor or wall assemblies. HVAC installers and sheet metal technicians select this fitting when the duct run approaches the register box from the right. The nominal face size is 2 inches by 12 inches, suiting standard slim-profile register openings.
This right end boot is suited for new construction and retrofit duct installations in residential forced-air heating and cooling systems. It is used where a round supply duct must terminate at a rectangular register grille in a floor, sidewall, or ceiling application. The 2 inch extension makes it practical in situations where extra depth is needed between the subfloor or wall cavity and the register face, reducing the need for field-fabricated extensions on the job site.
Designed as an OEM-style sheet metal fitting for standard residential forced-air duct systems using 2 inch by 12 inch rectangular register openings with a right-hand end boot configuration.
Installation is performed by licensed HVAC technicians or qualified sheet metal workers. Shut down the air handler and confirm the system is de-energized before connecting or sealing any duct fittings. Secure the boot to the duct collar using sheet metal screws and seal all joints with listed duct mastic or UL 181-rated tape per local mechanical code requirements. Verify the register face aligns flush with the finished floor or wall surface before fastening the grille.
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