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The AIR FLOW PRODUCTS 86F12 is a full flow tee fitting designed for duct and air distribution systems. This tee maintains consistent airflow through all three openings, minimizing turbulence and pressure drop at the branch connection. It is sized at 12 x 12 x 12 inches across all three ports, making it a symmetrical fitting suited for trunk and branch duct configurations. HVAC technicians and sheet metal installers use this type of fitting in forced-air systems where balanced airflow distribution is required at a junction point.
The 86F12 full flow tee is intended for residential and light commercial HVAC ductwork installations. Its equal 12-inch port sizing makes it appropriate for main trunk lines where a branch of equal dimension must be tapped off without sacrificing flow efficiency. It is typically installed during new duct construction or duct retrofit work in forced-air heating and cooling systems.
Designed as an OEM-style fitting for standard 12-inch rectangular or round duct systems in residential and light commercial forced-air HVAC applications.
Installation is typically performed by licensed HVAC technicians or qualified sheet metal workers following SMACNA duct construction standards. Power down the air handling unit and verify the system is de-energized before making any duct connections. Secure all joints with appropriate fasteners and seal with mastic or UL-listed foil tape per local mechanical code requirements.
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