Type 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 to 6 in adapt to major competing braNDS® and when installed establish a UL listed connection.
Metal-Fab® Gas Vent Pipe, M Series, 4 in Nominal, Twist-Lock Connection, 0.012 in, 0.018 in Gauge, Aluminum Alloy/Steel, Galvanized, 530 deg F, 12 in Length
Catalog- 1 in minimum clearance to combustibles
- 1/4 in annular insulating air space
- SureLock locking system creates secure connections without tools
- Hemmed flue and casing eliminate sharp edges