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The SOUTHWARK METAL 13_16X10 is a 45-degree flat Broadway rectangular trunk duct angle fabricated from hot dip galvanized steel. This fitting is used to redirect airflow within rectangular sheet metal trunk duct systems, providing a clean 45-degree transition in residential and light commercial HVAC ductwork. Sized at 16 inches by 10 inches on both the A and B ends, it delivers a consistent cross-section through the turn. Sheet metal workers and HVAC installers use this fitting when laying out supply or return trunk runs that require an angled direction change without reducing duct dimensions.
This trunk duct angle is suited for rectangular duct systems in residential and light commercial forced-air heating and cooling installations. The flat Broadway profile is a standard configuration in low-clearance plenum and basement trunk installations where straight-wall construction is required. It conforms to ACCA and SMACNA applicable standards, making it appropriate for installations that must meet SMACNA duct construction guidelines or ACCA Manual D layout requirements. HVAC sheet metal contractors working on new construction or retrofit duct systems will find this fitting compatible with standard rectangular trunk duct fabrication practices.
Designed as an OEM-style replacement or new-construction fitting for standard rectangular sheet metal trunk duct systems using flat Broadway duct construction.
Installation is performed by licensed HVAC technicians or qualified sheet metal workers. Shut down the air handling unit and confirm the system is de-energized before working on any connected ductwork. Secure all joints with sheet metal screws and seal with UL 181-rated mastic or foil tape in accordance with SMACNA duct construction standards and local mechanical codes. Avoid over-crimping the fitting edges, as this can distort the galvanized surface and compromise the fit at connecting duct sections.
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