638-152

This professional-grade 5" to 6" B-Vent Increaser is a critical component for safe and efficient gas appliance venting. Designed to transition an exhaust system from a 5-inch diameter pipe to a larger 6-inch diameter pipe, this metal adapter ensures proper drafting for Category I natural gas or liquid propane appliances. It is commonly used in HVAC installations to maintain code-compliant airflow for high-capacity exhaust systems. Built with durable, corrosion-resistant materials, this increaser provides a secure fit and long-lasting performance, preventing the leakage of combustion gases into the living space. Whether you are upgrading a furnace or installing a high-recovery water heater, this B-vent transition is essential for a reliable venting configuration.
Type: Metal Venting
Size: 5-inch to 6-inch
Application: Used to transition venting systems from a 5-inch diameter to a 6-inch diameter in gas-fired appliance exhaust setups, including furnaces, boilers, and water heaters.
Specifications: Type B double-wall gas vent component; designed for use with non-condensing gas appliances; corrosion-resistant metal construction.