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® Vent Pipe, M Series, 4 in Nominal, Twist-Lock Connection, 0.012 in, 0.018 in Gauge, Aluminum Alloy/Steel, Galvanized, 530 deg F, 60 in Length
| Connection Type | : | Twist-Lock |
| Finish | : | Galvanized |
| Gauge | : | 0.012 in, 0.018 in |
| Length | : | 60 in |
| Material | : | Aluminum Alloy/Steel |
| Nominal Size | : | 4 in |
| Series | : | M Series |
| Temperature Rating | : | 530 deg F |
- 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
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