638-142

This 5-inch x 18-inch B-Vent adjustable length pipe is a professional-grade solution for venting gas-fired appliances. Designed for use with natural gas or liquid propane furnaces, boilers, and water heaters, this double-wall vent section provides a telescopic adjustment to bridge specific gaps between fixed pipe lengths. By eliminating the need for manual cutting and crimping on-site, it simplifies the installation process and ensures a secure fit for HVAC systems. The durable construction features a corrosion-resistant aluminum inner liner and a sturdy galvanized steel outer shell, engineered for efficient heat retention and the safe exhaust of combustion gases. This adjustable component is ideal for achieving the exact run length required in tight spaces or complex venting configurations.
Type: Metal Venting
Size: 5-inch Diameter
Dimensions: 18 inches × 5 inches × 5 inches
Application: Venting for Category I gas-burning appliances, including residential and commercial furnaces, water heaters, and boilers. Compatible with natural gas and liquid propane systems.
Specifications: Double-wall construction, Type B Gas Vent, telescopic adjustable design, aluminum inner liner, galvanized steel outer casing.