Imperial Mfg Group Usa Inc GV0786 Taper Reducer 7x5 28GA

Product Description

The IMPERIAL MFG GROUP USA INC GV0786 is a galvanized steel taper reducer and increaser for round duct systems in residential and light commercial HVAC installations. Sized at 7 inches by 5 inches, it transitions airflow between two different duct diameters without the need for a crimped end, making field connections straightforward and consistent. Fabricated from 28-gauge galvanized steel, this fitting delivers durable corrosion resistance suited to supply and return duct runs. HVAC sheet metal installers and mechanical contractors reach for this type of fitting when a smooth, concentric diameter change is required in a duct trunk or branch line.

This taper reducer and increaser is used in forced-air heating and cooling systems where duct diameter changes are needed along a trunk run or at a branch takeoff transition. The no-crimp end design allows the installer to size and secure the connection using standard drive cleats, slip joints, or sheet metal screws without pre-crimping one end on-site. Sold in a package quantity of 12 units, this fitting is well suited for contractors stocking materials for multi-unit residential projects or repeat service work where this transition size is commonly encountered.

Key Features

• 7 inches by 5 inches concentric taper transition for smooth airflow diameter change
• 28-gauge galvanized steel construction for corrosion resistance in duct applications
• No-crimp end design simplifies field installation and joint assembly
• Compatible with standard sheet metal drive cleats, slip connections, and fasteners
• Packaged in quantities of 12 for contractor-volume purchasing

Compatibility

Designed as an OEM-style replacement and new-construction fitting for round galvanized duct systems requiring a 7-inch to 5-inch diameter transition in residential and light commercial forced-air HVAC applications.

Installation Notes

Installation is performed by licensed HVAC technicians or sheet metal mechanics. Power down the air handling equipment before working on any connected ductwork. Secure the fitting using sheet metal screws, drive cleats, or slip-joint connectors appropriate for 28-gauge material, and seal all joints with UL 181-listed duct tape or mastic sealant per local mechanical code requirements. Do not overtighten fasteners, as thin-gauge galvanized material can deform at the connection point.