Metal-Fab Type B-Vent 12" Firestop Spacer w19.75 DVL’s double-wall

DVL’s double-wall

& Nickel Plated

Rated for indoor applications only

Large Faceplate for the HEI350 fireplace insert

Download Installation Instructions

Metal-Fab Type B-Vent 12" Firestop Spacer w19.75 DVL’s double-wallType 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