Metal-Fab Type B-Vent 6" x 5" x 3" Swivel Tee reducer the harder it will be

the harder it will be to distribute the heat evenly

Firebox/Recessed dimension: 43

UL 103HT Inner Width 12

rise Installation Linear | Zero Clearance Orifice #31 (P-209) Air Shutter Opening 1/8-in Gas Inlet Shut-Off Valve (Pipe) 1/2-in NPT Gas Supply Pressure (Inches Water Column) Maximum 14 Minimum 4

Metal-Fab Type B-Vent 6" x 5" x 3" Swivel Tee reducer the harder it will beType 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