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The AIR FLOW PRODUCTS 86F5 is a full flow tee fitting designed to maintain maximum airflow through duct or piping branch connections without significant pressure drop. This tee is sized at 5 x 5 x 5 inches across all three ports, making it a balanced configuration suitable for splitting or combining flow in equal-diameter lines. It is a standard component in HVAC duct systems and is typically installed by licensed HVAC technicians or sheet metal contractors during new construction or system retrofit work.
The 86F5 full flow tee is suited for residential and light commercial HVAC applications where equal-sized branch connections are required. Its symmetrical 5-inch port sizing allows it to serve as both a supply and return side fitting depending on system design. Installers working on forced-air duct systems will find this fitting appropriate for trunk-to-branch transitions where airflow balance is a priority.
Designed as an OEM-style replacement or new-installation fitting for HVAC duct systems requiring a 5 x 5 x 5 inch full flow tee configuration.
Installation is typically performed by a licensed HVAC technician or qualified sheet metal installer. Shut down the air handling unit and confirm the system is de-energized before cutting into existing ductwork. Secure all connections with appropriate fasteners and seal joints with listed duct sealant or mastic per applicable mechanical code requirements. Verify airflow balance after installation if integrating into an existing duct system.
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