Metal-Fab Type B-Vent 4" 2/12 to 5/12 Pitch Standard Flashing w19.63 21 & 26 valves and

21 & 26 valves and all APK 15 and 17 valves

Allows the conversion of wood-burning fireplaces to propane gas

Millivolt Control Valve comes with On/Off Switch and Manual Variable Flame Height Control

Produced from high-temperature insulating material comprised of hydrated silicate minerals

Metal-Fab Type B-Vent 4" 2/12 to 5/12 Pitch Standard Flashing w19.63 21 & 26 valves andType 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