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The SNAPPY p5-406 is a galvanized steel straight register boot designed to connect round duct to a floor, wall, or ceiling register opening in residential and light commercial forced-air systems. The fitting transitions from a 6-inch round collar to a 4-inch by 10-inch rectangular register face, directing conditioned air from the duct system into the living space. At 0.80 pounds, the galvanized construction resists corrosion and holds its shape during installation. HVAC installers and sheet metal mechanics use this boot as a standard supply-air termination point where a straight, in-line connection is required between the round branch duct and the register grille.
This boot is suited for new construction and replacement work in residential forced-air heating and cooling systems. The straight configuration is used when the duct run terminates directly below or behind the register opening without requiring an offset. Typical applications include floor register installations in wood-framed construction and wall or ceiling register drops where a direct inline fitting is appropriate. The 4-inch by 10-inch face is a common register size found throughout residential supply layouts.
Designed as an OEM-style replacement or new-installation fitting compatible with standard 6-inch round duct branch lines terminating at a 4-inch by 10-inch register opening in residential forced-air systems.
Installation is typically performed by licensed HVAC technicians or sheet metal mechanics. The system blower should be de-energized and the thermostat set to off before connecting or replacing register boots. Secure the round collar to the branch duct with sheet metal screws and foil-backed tape rated for HVAC ductwork in accordance with local mechanical codes. Do not use the boot as a structural support for the surrounding floor or wall material.
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