Metal-Fab Type B-Vent 5" x 48" Chimney Length Pipe h28.25 The 2939-XL features two flame

The 2939-XL features two flame sets

lb 86 lbs Minimum Clearances to Combustibles From Top 12" Each Side 4" Bottom of Unit to Floor Covering 1 1/2" Warranty

This simple On/OFF switch can be used to control your W Series heater

For Sierra Flame Langley Series gas fireplaces with safety pilots

Metal-Fab Type B-Vent 5" x 48" Chimney Length Pipe h28.25 The 2939-XL features two flameType 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