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Metal-Fab 3 Inch to 5 Inch Type B Round Chimney Pipe Increaser

Metal-Fab 3 Inch to 5 Inch Type B Round Chimney Pipe Increaser

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$48.10 $59.99 20% Off
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Product Details

Manufacturer: Metal-Fab
Metal-Fab Part Numbers: 3MIX5
Item Number: MFB-3MIX5
UPC: 622417100687


  • Allows connection of 3" and 5" pipe
  • .018" galvanized steel outer wall and .012" aluminum alloy inner wall
  • Double-wall design allows a 1" clearance to combustibles
  • 1/4" insulating air space
  • For use with Metal-Fab Type B Round Chimney Pipe
  • SureLock locking system creates secure connections without tools
  • Hemmed flue and casing eliminate sharp edges
  • Compatible with other brands of UL Listed round gas vent pipe (see list below)
  • Listed to UL 441
  • Limited one-year warranty
  • Small End: 3" Dia.
  • Large End: 5" Dia.
  • Height: 6.5"
  • Compatible with the following brands of Type B gas vent pipe
  • General Products Co. - Airjet
  • American Metal Products Co. - Amerivent
  • Hart & Cooley - Metlvent
  • Household Manufacturing Inc. - Metalbestos and Airmate
  • Mitchell Metal Products Inc. - Mitchvent
  • Selkirk Metalbestos - Metalbestos
  • Simpson Dura-Vent Inc. - DuraVent
  • ECCO Heating Products - ECCO Manufacturing
Part of Metal-Fab's versatile Type B line, this Metal-Fab 3 Inch to 5 Inch Type B Chimney Pipe Increaser is exactly what you need if you want to increase your round vent diameter from three to five inches.

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