Mm Manufacturing 601-12X12X12 Register Box Snap-rail Flange

Product Description

The MM Manufacturing 601-12X12X12 is a 601 series register box with a snap-rail flange, designed for use in residential and light commercial forced-air HVAC distribution systems. The snap-rail flange allows a standard ceiling or wall register to seat and lock securely without additional fasteners, speeding up the finishing stage of duct installation. At 2.45 pounds, the box is lightweight enough for single-technician installation. It ships at an outer package dimension of 14.25 inches long by 14.25 inches wide by 10.5 inches tall. This product is installed by HVAC technicians and sheet metal contractors during new construction or duct retrofit work.

The 601-12X12X12 is suited for ceiling, sidewall, or floor register applications where a 12 x 12 inch face opening is required. The 601 series is available in nine sizes to accommodate round duct connections ranging from 4 inches through 9 inches in diameter, giving installers flexibility across a range of trunk-and-branch or radial duct layouts. It is a common choice in residential new construction and renovation projects where a clean, flush register finish is specified.

Key Features

• Snap-rail flange design seats standard registers securely without additional fasteners
• 12 x 12 inch face opening accommodates standard register grille sizes
• Compatible with round duct from 4 inches through 9 inches in diameter
• Available in nine sizes within the 601 series for versatile system design
• Lightweight at 2.45 pounds for easy single-technician handling

Compatibility

Designed for connection to round duct from 4 inches through 9 inches in diameter. Part of the MM Manufacturing 601 series, which is available in nine sizes for use in residential and light commercial forced-air duct systems.

Installation Notes

Installation is typically performed by a licensed HVAC technician or sheet metal contractor. Power down the air handling system before cutting into existing ductwork or securing the register box to avoid debris entering the airstream. Secure the box to framing or backing per local mechanical code requirements before connecting the round duct collar. Verify register face dimensions match the snap-rail flange opening before finishing the installation.

Technical Specifications

• Face Opening: 12 x 12 inches
• Package Length: 14.25 inches
• Package Width: 14.25 inches
• Package Height: 10.5 inches
• Weight: 2.45 pounds
• Round Duct Connection Range: 4 inches through 9 inches diameter
• Series: 601

Standard Information

• Brand: MM Manufacturing
• Manufacturer Part Number: 601-12X12X12