The type B designation is assigned to gas venting systems that meet the safety requirements of Underwriters Laboratories, Inc. The AmeriVent all-metal, double-wall gas vent is listed as type B by UL and is approved for residential and commercial applications such as Category 1 water heaters, boilers, furnaces, space heaters, or wall heaters. UL-approved type B gas vent products form a continuous passageway from an approved gas appliance to the termination of the vent above the roof of the structure.
AmeriVent® Gas Vent Connector, ADFC Model, 4 in Size, Male x Female Connection, 0.012 in Aluminum Inner and 0.018 in G90 Galvanized Steel Outer, 5 ft L
Length | : | 5 ft |