638-051

This professional-grade 5-inch round to 6-inch oval metal venting adapter is a critical component for HVAC systems and appliance exhaust installations. Designed to provide a seamless transition between different duct profiles, this transition fitting allows you to connect standard 5-inch circular piping to 6-inch oval ductwork, which is commonly used in narrow wall cavities or constrained spaces where round pipe cannot fit. Crafted from high-quality galvanized steel for maximum durability and heat resistance, this adapter ensures a secure, leak-resistant connection that maintains optimal airflow and exhaust efficiency. Whether you are installing a wall furnace, water heater, or specialized ventilation system, this adapter provides the necessary bridge to meet architectural requirements and safety standards.
Type: Metal Venting Transition
Size: 5" Round to 6" Oval
Dimensions: Standard transition length × 6 inch (Oval end) × 5 inch (Round end)
Application: Ideal for HVAC ductwork, wall furnace venting, water heater exhaust, and residential or commercial ventilation systems requiring a profile change to fit within wall studs.
Specifications: Material: Galvanized steel; Connection types: 5-inch round female/male to 6-inch oval; Corrosion-resistant finish.