Metal–Fab 3MIX7 3 Inch to 7 Inch Type B Round Chimney Pipe Increaser
SKU: 204471
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About the Metal-Fab 3MIX7
About the Metal–Fab 3MIX7 3 Inch to 7 Inch Type B Round Chimney Pipe Increaser
Part of Metal-Fab's versatile Type B line, this Metal-Fab 3 Inch to 7 Inch Type B Chimney Pipe Increaser is exactly what you need if you want to increase your round vent diameter from three to seven inches.
Product Details
Mpn #
3MIX7
Weight
1.40 lbs.
Product Features
Allows connection of 3" and 7" pipe
.018" galvanized steel outer wall and aluminum alloy inner wall
Double-wall design allows a 1" clearance to combustibles
For use with Metal-Fab Type B Round Chimney Pipe
Secure locking system requires no tools
Hemmed flue and casing eliminate sharp edges
3" end is compatible with other brands of UL Listed round gas vent pipe (see list below)