638-119

This 4-inch B-Vent adjustable length pipe is a high-quality solution for gas-fired appliance exhaust systems. Designed to facilitate safe venting for Category I natural gas or liquid propane equipment, such as residential water heaters, furnaces, and boilers, this component ensures efficient transport of combustion byproducts. The adjustable feature allows for a custom fit in tight or non-standard spaces, eliminating the need for cutting and reducing installation time. Built with a double-wall design, it maintains a cool outer surface while optimizing internal draft. This durable metal venting pipe is a critical part of a code-compliant HVAC installation, providing long-lasting performance and safety.
Type: Metal Venting
Size: 4-inch Diameter
Dimensions: 18 inches × 4 inches × 4 inches
Application: Used for venting Category I gas-fired appliances, including residential water heaters, boilers, and furnaces requiring Type B venting.
Specifications: Type B Gas Vent; double-wall construction; adjustable length functionality; corrosion-resistant metal housing.