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The IMPERIAL MFG GROUP USA INC GV0723 is a 5-inch, 30-gauge galvanized round tee cap and plug designed to seal off open tee connections in round duct systems. It features a no-crimp design, meaning it fits directly onto the tee collar without requiring sheet metal crimping tools or additional forming. The galvanized steel construction resists corrosion in typical HVAC duct environments. This fitting is sold in packages of 12 units, making it practical for contractors stocking service vans or completing multi-unit installations.
This cap and plug is used in residential and light commercial HVAC ductwork where an open tee branch needs to be capped off or blocked. Common applications include sealing unused branch takeoffs during system modifications, balancing airflow by blocking unneeded runs, or capping tees during rough-in before final duct connections are made. HVAC sheet metal installers and service technicians are the typical installers for this type of fitting.
Designed as an OEM-style fitting for standard 5-inch round galvanized ductwork tee connections in residential and light commercial HVAC installations.
Installation is performed by licensed HVAC technicians or qualified sheet metal installers. Power down the air handling system before accessing or modifying duct connections. The no-crimp collar should be seated firmly and secured with sheet metal screws and foil tape in accordance with local mechanical codes and SMACNA duct construction standards. Do not use this cap on pressurized duct sections exceeding the rated gauge capacity for 30-gauge galvanized steel.
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