Metal-Fab 3 Inch to 5 Inch Type B Round Chimney Pipe Increaser
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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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$38.26 $49.99 23% Off
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Contractor / Technical Details

Vent Type

B-Vent

UL Listing

UL441

Pipe Shape

Round

Telescoping

No

Adjustable

No

Number of Walls

2

Material

Aluminum; Galvanized Steel;

Painted

No

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Product Details

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

Features

  • 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.

Contractor / Technical Details

Product Details

Vent Type

B-Vent

UL Listing

UL441

Pipe Shape

Round

Telescoping

No

Adjustable

No

Number of Walls

2

Material

Aluminum; Galvanized Steel;

Painted

No

Adapter Needed

No

Support Included

No

Rigid Compatibility

No

Includes Trim

No

Includes Insulation Shield

No

Is Firestop

No

Includes Adapter

No

Includes Cap

No

Vented

No

Firestop Required

No

Air Intake

No

Dimensions / Measurements

Lower Vent Size

3 inches

Upper Vent Size

5 inches

Min Effective Length

4 inches

Max Effective Length

4 inches

Required Clearance

1 inches

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