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The SEAL-TITE 4265-060606 is an oval side takeoff fitting used in sheet metal ductwork systems to branch airflow from a main duct run. This fitting connects a 6-inch oval branch to a 6x6-inch duct opening, allowing HVAC installers to tap off a main trunk line at a side position. Side takeoffs are a standard component in forced-air distribution systems, used wherever a branch duct must leave the trunk at a perpendicular or angled exit point. This fitting is sized at 6x6x6 inches and is intended for professional installation in residential and light commercial HVAC duct systems.
Oval side takeoffs like the 4265-060606 are commonly installed in forced-air heating and cooling systems during new construction or duct modification work. They are used in trunk-and-branch duct configurations where individual room or zone supply runs branch off a central rectangular or flat-oval main trunk. Installers use this fitting when routing branch ducts through tight floor joist bays or wall cavities where oval duct profiles are preferred over round. This fitting suits residential and light commercial applications where standard 6-inch branch connections are required.
Designed as an OEM-style replacement or new-installation fitting for standard 6-inch oval branch duct connections in residential and light commercial forced-air HVAC duct systems.
Installation should be performed by a qualified HVAC technician in accordance with local mechanical codes and SMACNA ductwork standards. Power down the air handling unit and confirm the system is not pressurized before cutting into any existing duct trunk. Secure the fitting with sheet metal screws and seal all joints with listed duct sealant or mastic to meet air-tightness requirements. Do not exceed the rated duct velocity or static pressure for the branch size being served.
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