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® Pipe Hanger, 4 in E, Galvanized Steel, 4-1/2 in ID
Dimensions | : | 4-1/2 in ID |
Material | : | Galvanized Steel |
Size | : | 4 in E |