Mm Manufacturing 203RF-10X6X6 90 Degree Register Boot

Product Description

The MM MANUFACTURING 203RF-10X6X6 is a 90-degree angle register boot with flange, designed to transition from round duct to a rectangular floor, wall, or ceiling register opening. This sheet metal boot makes a right-angle turn, directing conditioned air from the supply duct into the living space. It is a standard component in residential and light commercial forced-air HVAC duct systems. The part ships at 1.55 pounds and fits a 10 x 6 x 6 inch configuration, making it a practical choice for branch-line duct terminations where a 90-degree offset is required.

This register boot is used in residential forced-air heating and cooling installations where supply branch ducts terminate at a floor, sidewall, or ceiling register. It is suited for new construction rough-in work and duct replacement projects. The flanged design allows the boot to seat flush against the subfloor or wall surface, providing a clean register-to-boot connection. The 203RF series is available in 8 common sizes for use with 5-inch, 6-inch, 7-inch, 8-inch, and 9-inch round duct.

Key Features

• 90-degree angle configuration routes supply air from horizontal or vertical duct runs to a register face
• Integrated flange seats flush against finished surfaces for a clean register fit
• Available in 8 common sizes to accommodate 5-inch through 9-inch round duct connections
• Lightweight construction at 1.55 pounds for easy single-person handling during installation
• 10 x 6 x 6 inch register opening size suits standard residential supply register dimensions

Compatibility

Designed for use with 5-inch, 6-inch, 7-inch, 8-inch, and 9-inch round supply duct in residential and light commercial forced-air HVAC systems. Compatible with standard 10 x 6 floor, sidewall, and ceiling registers.

Installation Notes

Installation is typically performed by a licensed HVAC technician or sheet metal contractor. Shut down the air handler and confirm the system is de-energized before cutting into existing ductwork. Seal all connections with UL-listed foil tape or mastic duct sealant per local mechanical code requirements. Secure the boot to framing or subfloor as required before setting the register.