638-149

This professional-grade 5-inch by 12-inch B-Vent length is designed for the safe and efficient venting of Category I gas-fired appliances. Constructed with a double-wall design, this metal venting component features a durable galvanized steel outer casing and an aluminum inner liner, providing excellent insulation and corrosion resistance. It is an essential part for residential and light commercial HVAC systems, commonly used to exhaust combustion gases from natural gas or liquid propane (LP) furnaces, boilers, and water heaters. The 12-inch section allows for precise adjustments in vent runs, ensuring a secure and reliable connection in your appliance exhaust system.
Type: Metal Venting / Type B Gas Vent
Size: 5" Diameter x 12" Length
Dimensions: 12 inches × 5 inches × 5 inches
Application: Venting for Category I gas-fired appliances such as residential furnaces, boilers, and water heaters.
Specifications: Double-wall insulated construction, galvanized steel exterior, aluminum inner liner, standard twist-lock connection system.