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The SEAL-TITE 217-04 is a 26-gauge galvanized sheet metal tee joint designed for round duct pipe systems in residential and light commercial HVAC installations. This fitting connects three sections of round pipe in a tee configuration, with all three openings sized at 4 inches. The crimp is supplied on the run, allowing for direct connection to standard round pipe without additional modification. Galvanized steel construction provides corrosion resistance suited to the airflow environment typical of forced-air ductwork. Licensed HVAC contractors and sheet metal workers are the primary installers for this type of fitting.
The 217-04 tee joint is used on round pipe duct systems in forced-air heating and cooling applications. The equal 4-inch sizing on all three ports makes it appropriate for branch takeoffs where airflow is split along the run of a duct system. This fitting meets applicable standards including CCR/Title 24, IECC, HARDI, ACCA, AHREXPO, and ADI, making it suitable for installations subject to energy code compliance requirements in regulated jurisdictions.
Designed for use with 4-inch round sheet metal duct pipe systems in forced-air HVAC applications.
Installation should be performed by a licensed HVAC technician or qualified sheet metal worker. Power down the air handling system before beginning ductwork modifications. Secure all connections with appropriate fasteners and seal joints per local mechanical code requirements, referencing IECC and applicable regional standards. Do not over-crimp or distort the fitting during connection, as this can compromise airflow and joint integrity.
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