Southwark Metal RABR8202012 Return Air Box R8 Insulation 20 Inches X 20 Inches X 12 Inches

Product Description

The Southwark Metal RABR8202012 is a return air box built for residential and light commercial HVAC systems. It is designed to collect return air from a conditioned space and route it back to the air handler or furnace. This unit measures 20 inches long by 20 inches wide by 12 inches deep, giving HVAC installers a solid, full-sized plenum box that fits standard framing layouts. The box is manufactured from 26-gauge galvanized steel, which resists corrosion and holds its shape under the negative pressure conditions common in return air plenums. The galvanized coating also extends the service life of the unit in humid or high-moisture environments. Insulation is factory-applied at an R8 rating, which means this box meets or exceeds energy code requirements in most jurisdictions without requiring field-applied insulation wrap. R8 insulation reduces thermal loss through the plenum walls and helps prevent condensation on the exterior of the box in cooling applications. The flanged design allows for clean, secure connections to ductwork on all sides, reducing air leakage at joints and speeding up installation time. This return air box is part of Southwark's RAB product family, a line trusted by sheet metal contractors, HVAC technicians, and mechanical contractors across the country. It ships ready to install and is manufactured in the USA from domestic materials. Southwark Metal has a long history of producing sheet metal HVAC components to exact tolerances, and the RABR8202012 reflects that standard. Whether you are replacing an aging return plenum or roughing in a new system, this unit delivers reliable performance and code-compliant insulation in a single ready-to-install package. Trade professionals will appreciate the consistent build quality and the flanged connections that make field assembly straightforward.

• Factory-insulated to R8, meeting energy code requirements without field-applied wrap
• 26-gauge galvanized steel construction resists corrosion and handles negative return air pressure
• Flanged design ensures tight, low-leakage connections to return ductwork

Product Highlights

The RABR8202012 is a flanged, R8-insulated return air box built from 26-gauge galvanized steel and sized at 20 inches x 20 inches x 12 inches. It is made in the USA and ready to install in residential and light commercial HVAC return air systems.

Product Information

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: RABR8202012

Technical Specifications

• Size: 20 inches x 20 inches x 12 inches
• Length: 20 inches
• Width: 20 inches
• Height: 12 inches
• Weight: 6.1 pounds
• Dimensional Weight: 35 pounds
• Material: Galvanized Steel
• Gauge: 26 GA
• R-Value: R8
• Insulated: Yes
• Flanged: Yes
• Galvanized: Yes
• Country of Origin: USA
• Product Family: RAB