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® Increaser, 8 x 10 in, Aluminum Alloy/Galvanized Steel, 8-1/2 in L
| Dimensions | : | 8-1/2 in L |
| Material | : | Aluminum Alloy/Galvanized Steel |
| Size | : | 8 x 10 in |
- 1 in minimum clearance to combustibles
- Hemmed flue and casing eliminate sharp edges
- Secure locking system requires no tools
- For use with category I natural gas burning or propane fired appliances such as gas boilers, fireplaces, furnaces, unit heaters and radiant tube heaters
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