Metal-Fab Type B Round Chimney Pipe Length - 7" x 48" - 7M4

When you need to vent a hot water heater, a furnace, a boiler, a gas fired fireplace or other Category 1 appliances you may need a round chimney pipe. Using Metal Fab Type B products ensures compatibility with other Metal Fab Type B products. The outer wall of this chimney pipe is made from .018 inch galvanized steel and the inner wall is made from .012 inch alloy aluminum. It is UL listed 441 and has a one year warranty.

• Effectively vents Category I appliances such as gas-fired fireplaces, furnaces, water heaters, and boilers
• .018" galvanized steel outer wall and .012" aluminum alloy inner wall
• 1/2" insulating air space
• Double-wall design allows a 1" clearance to combustibles
• Positive twist lock system creates secure connections without tools
• Hemmed flue and casing eliminate sharp edges
• Listed to UL 441
• Limited one-year warranty
• Approximate Dimensions: 7" inner diameter x 48" L