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″-6″ adapt to major competing brands and when installed establish a UL Listed connection.
What’s Included
- 24″ to 26″ Increaser
Features
- Elimination of sharp edges by hemming the flue and casing
- Assembly and disassembly, without tools, using a positive twist lock
Specifications
| Application | For use with category I natural gas-burning or propane-fired appliances such as gas boilers, fireplaces, furnaces, unit heaters and radiant tube heaters. |
| Clearances | 1″ Minimum clearance to combustibles for 3″ – 24″, 2″ Minimum clearance to combustibles for 26″ – 30″ |
| Flue Material | Aluminum Alloy .018″ thick for sizes 10″ to 30″ diameter. |
| Casing Material | Galvanized Steel .018″ thick G90 Steel for sizes 3″ to 14″ diameter |
| Diameter | 24″ to 26″ |
| Height | 8.5″ |
| Listings/Standards | NFPA 54, NFPA 211, UL 441 |
| Color | Silver |
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