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 I 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, 4 in Nominal, Snap Lock Connection, Aluminum Alloy/Steel, Galvanized, 4 in ID, 4-1/2 in OD, 0.012 x 0.018 in Wall Thickness, 48 in Length
Connection Type | : | Snap Lock |
Finish | : | Galvanized |
Length | : | 48 in |
Material | : | Aluminum Alloy/Steel |
Outside Diameter | : | 4-1/2 in |