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The SOUTHWARK METAL 13_14X8 is a 45-degree sheet metal trunk duct angle designed for rectangular duct transitions and directional changes in forced-air HVAC systems. Fabricated from hot dip galvanized steel, this flat Broadway-style fitting features a radius throat profile that reduces turbulence and pressure drop at the turn. The inlet and outlet both measure 14 inches by 8 inches, making it a straight-size angle with no reduction. It is installed by sheet metal workers and HVAC technicians during new construction ductwork fabrication or system modification work.
This trunk duct angle is suited for residential and light commercial forced-air distribution systems where a 45-degree directional change is required in a rectangular trunk line. The flat Broadway configuration with a radius throat is a standard fabrication type used in low-velocity supply or return trunk applications. Its galvanized steel construction is appropriate for both supply and return air applications in conditioned spaces. ACCA and SMACNA standards apply to this fitting type, supporting use on jobs requiring documented compliance.
Designed as an OEM-style sheet metal fitting for rectangular trunk duct systems requiring a 45-degree flat Broadway radius throat angle in a 14-inch by 8-inch duct size.
Installation is performed by licensed sheet metal workers or HVAC technicians as part of ductwork fabrication or modification. Power down the air handling system before connecting or sealing any duct fittings. Seal all joints with duct mastic or UL 181-listed tape per SMACNA installation standards. Observe local mechanical code requirements for duct support spacing and sealing class.
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