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The SOUTHWARK METAL 1141R2810 is a hot dip galvanized steel trunk duct angle fitting designed for shortway, vertical, square throat transitions in sheet metal ductwork. Sized at 28 inches by 10 inches on both the inlet and outlet, this 45-degree angle fitting is used to redirect airflow within a trunk duct system while maintaining the full cross-sectional area through the turn. HVAC sheet metal mechanics and duct fabricators install this fitting during new construction and retrofit work where space constraints require a shortway turn rather than a longway configuration. It is manufactured to meet ACCA and SMACNA standards for duct construction and airflow performance.
This fitting is suited for residential and light commercial forced-air HVAC systems where rectangular sheet metal trunk duct runs require a 45-degree directional change. The shortway configuration is selected when the available ceiling or wall cavity depth is limited along the duct width dimension. The 28 x 10 inch frame size positions this fitting in common residential main trunk applications, typically serving supply or return air distribution from air handlers, furnaces, or rooftop units. Installation is performed by licensed sheet metal contractors or HVAC mechanics during duct rough-in or system modification.
Designed as an OEM-style sheet metal fitting for rectangular trunk duct systems requiring a 45-degree shortway angle transition at a 28 x 10 inch duct size.
Installation is performed by licensed sheet metal mechanics or HVAC contractors. Shut down the air handler or furnace and de-energize the system before modifying any duct section. Fittings should be sealed at all joints with mastic sealant or UL 181-rated tape per applicable SMACNA and local mechanical code requirements. Handle cut galvanized edges with appropriate gloves to avoid injury.
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