638-143

This 5-inch by 24-inch B-Vent length is a high-quality double-wall pipe designed for the safe and efficient venting of gas-fired appliances. Engineered for durability and thermal performance, this Type B gas vent features an aluminum inner liner that heats up quickly to establish a strong draft, while the galvanized steel outer shell provides excellent corrosion resistance and structural integrity. It is an essential component for HVAC installations, specifically designed to transport combustion gases from furnaces, water heaters, and boilers to the outdoors. The double-wall construction maintains a cool outer surface, allowing for reduced clearances to combustible materials in residential and commercial settings. Whether you are performing a routine replacement or a new system installation, this 24-inch section offers a reliable, leak-resistant connection for your exhaust system.
Type: Metal Venting / B-Vent Pipe
Size: 5-inch Diameter x 24-inch Length
Dimensions: 24 inches × 5 inches (Diameter) × 5 inches (Diameter)
Application: Used for venting Category I natural gas or liquid propane-fired heating appliances, such as residential furnaces, water heaters, and boilers.
Specifications: Type B Gas Vent; Double-wall construction; Aluminum inner liner; Galvanized steel outer casing; Twist-lock connection system; Rated for neutral or negative pressure venting.