Metal-Fab Type B-Vent 16" Guy Ring controls 25" 9" x 18" 7"

25" 9" x 18" 7" x 17

Two Sizes of Outer Frames Match the Variety of Installation Requirements

Secondary Air System: Creates a second combustion zone to enhance fuel efficiency and cleaner burning​

018" thick G90 Steel for sizes 3" to 14" diameter Inner Diameter 8" Height/Length 12" Technical Drawings & Dimensions

Metal-Fab Type B-Vent 16" Guy Ring controls 25" 9" x 18" 7"Type B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist lock connection and locking tab, eliminating the need for sheet metal screws. Metal Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal Fab Type B Gas Vent products 3" 6" adapt to major competing brands and when installed