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The SEAL-TITE 217-06 is a 6-inch T-joint fitting designed for crimp-on run connections in flexible duct systems. Constructed to 24-gauge specification, this fitting creates a secure branch takeoff at an inline duct run, allowing installers to split airflow from a single trunk line to a branch run without cutting into the main duct body. HVAC technicians use this style of fitting during new installation and retrofit work where flexible ductwork is the primary distribution method. The crimp-on design ensures a positive mechanical connection that reduces air leakage at the joint.
This T-joint is suited for residential and light commercial HVAC duct distribution systems where flexible duct connects to branch runs off a main supply trunk. The 6-inch diameter matches standard flexible duct sizing commonly found in residential forced-air systems. Installers use this fitting when routing supply air to individual room outlets, making it a frequently stocked component for duct fabrication and duct repair work in the field.
Designed as an OEM-style replacement and new-installation fitting for 6-inch flexible duct systems in residential and light commercial forced-air HVAC applications.
Installation should be performed by a licensed HVAC technician in accordance with local mechanical codes and ACCA Manual D duct design guidelines. Shut down the air handler and confirm the system is de-energized before making any duct connections. Secure all crimp joints with approved duct tape or mastic sealant to meet energy code requirements for duct leakage. Do not over-crimp the collar, as deformation of the fitting can restrict airflow and compromise the seal.
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