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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.
| 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" |
| 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 |
| Inner Diameter | 28" |
| Height/Length | 18" |


The Metal-Fab Type-B Gas Vent when installed according to manufacturer installation instructions, as prescribed by Underwriter Laboratories Standard 441 and 103, is warranted by Metal-Fab Inc. for one (1) year from the date of its original installation against defects in material or workmanship of the product for parts only. Any defective part in the product will be, at Metal-Fab’s option, either repaired or replaced. The purchaser must return such defective part, with all transportation charges prepaid by said purchaser to Customer Service Department, Metal-Fab Inc., 3025 May Avenue, Wichita, Kansas 67213. The repaired or replacement part will, in turn, be shipped by Metal-Fab Inc. to the purchaser, freight collects, with the purchaser to be responsible for all freight charges. The warranty on any repaired or replacement part shall be for a duration of time no longer than the remaining or unexpired term of the original warranty. This warranty does not cover any labor or other service charges.
It is PURCHASER’S RESPONSIBILITY to establish the date of the original installation of the product.
DISCLAIMERS AND EXCLUSIONS
The following shall be applicable to those products of Metal-Fab Inc., described above:
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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