Metal-Fab Type B-Vent 4" Firestop Spacer vinyl-siding-vent-kit UL 441 Clearances 1" Minimum

UL 441 Clearances 1" Minimum clearance to combustibles for 3" - 24" Size 3" Technical Drawings & Dimensions

Wire Extension Kit

Ceramic Heat: Reduce your central furnace temperature and cut your heating costs with the thermostat controlled safe

Inside the High-Efficient Direct-Vent Wall Furnace

Includes two 42 inch sections

Metal-Fab Type B-Vent 4" Firestop Spacer vinyl-siding-vent-kit UL 441 Clearances 1" MinimumType 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