Metal-Fab Type B-Vent 4" High-Performance Vent Cap flip-grill ULC – S636 Construction 4"

ULC – S636 Construction 4" 316L Stainless Steel Diameters 4" Length 420"/35ft Clearance from single-wall connectors to combustible material shall be in accordance with NPFA 211 as shown in the table below

from a quiet ember to a raging blaze

Post purge function (180 sec) to evacuate residual flue gases after fireplace shuts down

Designed for use with FDV350 or FDV451 stoves

black color for versatile placement

Metal-Fab Type B-Vent 4" High-Performance Vent Cap flip-grill ULC – S636 Construction 4"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