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The SOUTHWARK METAL BHF12PL19X19X48 is a sheet metal plenum with cap measuring 19 inches by 19.5 inches by 48 inches. It serves as a central air distribution chamber in forced-air HVAC systems, connecting the air handler or furnace to the duct network. The cap provides a sealed end to contain and direct airflow through the supply side of the system. This component is installed by licensed HVAC technicians during new construction or system replacement projects where a custom or standard-sized plenum is required.
This plenum with cap is suited for residential and light commercial forced-air heating and cooling applications. It fits between the air handling unit and the main trunk line or branch duct takeoffs. The 48-inch length accommodates standard vertical or horizontal equipment configurations, and the 19 x 19.5-inch cross section is sized to match common air handler cabinets and supply duct openings in residential HVAC installations.
Designed as an OEM-style replacement or new-installation plenum for residential and light commercial forced-air HVAC systems requiring a 19 x 19.5 x 48 inch supply plenum with cap.
Installation should be performed by a qualified HVAC technician in accordance with local mechanical codes and SMACNA duct construction standards. Shut down and de-energize the air handling unit before connecting or sealing the plenum. Seal all joints with approved duct sealant or metal tape to minimize air leakage. Verify that the plenum dimensions match the equipment cabinet opening and duct connections before securing in place.
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