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The CODY COMPANY 645R66106 is an insulated slant top register boot designed for use in forced-air HVAC duct systems. Register boots serve as the transition fitting between the branch duct and the floor, wall, or ceiling register. The insulated construction limits condensation and heat loss at the boot, helping maintain system efficiency at the point of delivery. This fitting is installed by HVAC technicians and sheet metal contractors during new construction or duct retrofit work.
The 645R66106 is suited for residential and light commercial forced-air applications where a slant-top configuration is required. A slant top profile is commonly used where duct clearance is limited or where the register must be angled to meet the floor plane from a low-profile cavity. This boot connects the supply duct run to the room register and is a standard component in trunk-and-branch and radial duct layouts.
Designed as an OEM-style replacement or new-installation fitting for residential and light commercial forced-air supply duct systems requiring a slant top register boot.
Installation is performed by licensed HVAC technicians or qualified sheet metal contractors. The air handling system should be powered down and the system fan disabled before fitting installation or duct modification. Secure the boot to the duct with appropriate sheet metal screws and seal all joints with listed duct sealant or metal-backed tape per local mechanical code requirements. Insulation integrity at all seams should be verified before closing the cavity.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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