Metal-Fab Type B-Vent 6" x 12" Adjustable Length Pipe w7.75 #3 controls the flame colors

#3 controls the flame colors #4 turns the heater on or off

Used in combination with the flashing to ensure water-tight installation

but warm look to your outdoor room

With its powerful heating element

Metal-Fab Type B-Vent 6" x 12" Adjustable Length Pipe w7.75 #3 controls the flame colorsType 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