Metal-Fab 4MOR – Type B Gas Vent Oval to Round Adapter, 4″
Metal-Fab round B-Vent has been evaluated and listed by Underwriters Laboratories, Inc., to mate with other specifically identified and UL listed round gas vent.
Features
- Connects 4″ oval Metal-Fab Type B Chimney Pipe to 4″ round Metal-Fab Type B Chimney Pipe
- 4″ Oval pipe measures 7-1/4″ x 2-1/2″
- .018″ galvanized steel outer wall and .012″ aluminum alloy inner wall
- 1/4″ insulating air space
- Doublewall design allows a 1″ clearance to combustibles
- Attaches to other components without tools
HSS1811160






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