Southwark Metal SWK_12X20-12 Mobile Home Duct Kit 12x20

Product Description

The SOUTHWARK METAL SWK_12X20-12 is a sheet metal duct accessory kit designed for mobile home HVAC applications. It provides a complete return-to-supply air path using a 12-inch by 20-inch return air opening that transitions to a 12-inch round supply. The kit is fabricated from hot dip galvanized steel for durability in the confined, high-humidity conditions typical of manufactured housing. Components include a return air box, butterfly damper, floor grille, and filter. Licensed HVAC technicians and mobile home service contractors install this kit as part of a complete duct system in single-wide manufactured homes.

This kit is intended for single-wide mobile and manufactured home duct systems where a combined return and supply air assembly is required. The 12-inch by 20-inch return air box interfaces with the floor structure, while the butterfly damper provides airflow control and the included floor grille finishes the installation. The filter slot keeps the air path clean without requiring a separate filter housing. This configuration is common in retrofit and replacement duct work on older manufactured housing units where space and access are limited.

Key Features

• Complete accessory kit includes return air box, butterfly damper, floor grille, and filter
• Hot dip galvanized steel construction for corrosion resistance in mobile home environments
• 12-inch by 20-inch return opening transitions to 12-inch round supply duct
• Designed for single-wide mobile and manufactured home duct systems
• Meets ACCA and SMACNA applicable standards
• Round single-wide configuration suits standard manufactured housing floor duct layouts

Compatibility

Designed as an OEM-style replacement or new-installation kit for single-wide mobile and manufactured home sheet metal duct systems requiring a 12-inch by 20-inch return to 12-inch round supply configuration.

Installation Notes

Installation should be performed by a licensed HVAC technician familiar with manufactured housing duct systems. Shut down and lock out the HVAC system before beginning any duct work. Verify floor framing dimensions and clearances prior to cutting any floor penetrations. Follow ACCA and SMACNA guidelines for duct sealing and support in mobile home applications.

Technical Specifications

• Material: Hot Dip Galvanized Steel
• Return Opening Size: 12 inches x 20 inches
• Supply Duct Size: 12 inches round
• Configuration: Round, Single Wide
• Applicable Standards: ACCA, SMACNA
• Used On: Sheet Metal Duct

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: SWK_12X20-12