Southwark Metal WS14_3-1/4X10 Duct Elbow 90 Degree 3-1/4x10

Product Description

The SOUTHWARK METAL WS14_3-1/4X10 is a 90-degree flat sheet metal duct elbow designed for wall stack and space-constrained duct routing in residential and light commercial HVAC distribution systems. Fabricated from hot dip galvanized steel, this elbow measures 3-1/4 inches by 10 inches on both the inlet and outlet ends, making it a true same-size transition fitting. The flat, Broadway, longway configuration suits narrow wall cavity installations where standard round or deep elbows will not fit. Licensed HVAC technicians and sheet metal installers use this fitting when routing low-profile supply duct through interior walls and floor systems.

This elbow is a standard component in residential forced-air distribution systems, particularly in wall stack applications where duct depth is limited to 3-1/4 inches. It is suited for new construction and retrofit installations where supply air must make a 90-degree directional change within a framed wall cavity. The Broadway and longway orientation directs airflow along the long dimension of the rectangular duct cross-section, helping maintain velocity pressure through the turn. ACCA and SMACNA standards govern its application in duct system design.

Key Features

• 90-degree elbow angle for right-angle duct direction changes
• Hot dip galvanized steel construction for corrosion resistance in occupied building cavities
• Flat, Broadway, longway profile fits 3-1/4 inch wall stack duct runs
• Consistent 3-1/4 inch by 10 inch opening on both ends — no reducing transition required
• Meets ACCA and SMACNA applicable standards for duct fabrication and installation

Compatibility

Designed as an OEM-style sheet metal fitting for 3-1/4 inch by 10 inch rectangular wall stack duct systems in residential forced-air HVAC installations built to ACCA and SMACNA standards.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified sheet metal worker in accordance with local mechanical codes and SMACNA duct construction guidelines. Power down the air handler and close the supply air damper before working on the duct system. Secure all joints with sheet metal screws and seal with UL 181-listed mastic or approved foil tape to meet code air-leakage requirements. Do not use this fitting in applications requiring a reducing elbow — size inlet and outlet duct to match the 3-1/4 inch by 10 inch opening on both sides.

Technical Specifications

• Angle: 90 degrees
• Size A: 3-1/4 inches x 10 inches
• Size B: 3-1/4 inches x 10 inches
• Type: Flat, Broadway, Longway, Wall Stack
• Material: Hot Dip Galvanized Steel
• Applicable Standards: ACCA, SMACNA

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: WS14_3-1/4X10