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