Metal-Fab B-Flex Double-Wall Flexible Type B Vent Pipe Length - 4 Inch Diameter x 3 Foot
Home Chimney Pipe Vent Connectors
Metal-Fab B-Flex Double-Wall Flexible Type B Vent Pipe Length - 4 Inch Diameter x 3 Foot

Metal-Fab B-Flex Double-Wall Flexible Type B Vent Pipe Length - 4 Inch Diameter x 3 Foot

$119.49 $149.99 20% 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

Galvanized Steel; Aluminum;

Painted

No

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Product Details

Manufacturer: Metal-Fab
Metal-Fab Part Numbers: MDWF0403
Item Number: MFB-MDWF0403
UPC: 622417434836

Features

  • Effectively vents Category I appliances such as gas-fired fireplaces, furnaces, water heaters, and boilers
  • Can be used as an appliance connector or as a segment of B-Vent pipe
  • Air-insulated double-wall construction
  • Eliminates the need for measuring and cutting rigid pipe when connecting to a common flue
  • Secure twist-lock ends connect without tools
  • Arrives fully-assembled and ready to use
  • UL Listed to MH 17528 and MH 25730
  • Compatible with other brands of 4" UL Listed round gas vent pipe (see list below)
  • Approximate Dimensions: 4" Dia. x 3' L
  • Compatible with the following brands of Type B gas vent pipe
  • Simpson Dura-Vent
  • American Metal - Amerivent
  • Hart and Cooley - Metlvent
  • General Products Co. - Airjet
  • Mitchell Metal Products Inc. - Mitchvent
  • Selkirk Metalbestos
B-Flex isn't just another B-Vent connector. This Metal-Fab B-Flex Double-Wall Flexible Type B Vent Pipe Length can be used as an appliance connector and as a regular segment of B-Vent pipe. It's perfect for standard installations as well as those in confined areas like a crawl space.

And, because it features the same twist-lock ends and lightweight construction as Metal-Fab's rigid Type B chimney pipe, B-Flex is remarkably simple to use. This Metal-Fab B-Flex Double-Wall Flexible Type B Vent Pipe Length is even compatible with a variety of other brands of chimney pipe, making it nearly effortless to connect it to an existing vent system.

Every installation presents its own set of unique challenges. This Metal-Fab B-Flex Double-Wall Flexible Type B Vent Pipe Length offers the flexibility you need to deal with them as quickly, easily, and cost-effectively as possible.

Contractor / Technical Details

Product Details

Vent Type

B-Vent

UL Listing

UL441

Pipe Shape

Round

Telescoping

No

Adjustable

No

Number of Walls

2

Material

Galvanized Steel; Aluminum;

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

Inside Diameter

4 inches

Min Effective Length

36 inches

Max Effective Length

36 inches

Required Clearance

1 inches

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Customer Reviews

Metal-Fab B-Flex Double-Wall Flexible Type B Vent Pipe Length - 4 Inch Diameter x 3 Foot
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Robert D.

Double-Wall Flexible Vent Pipe Success!

This double-wall vent pipe has been a great solution for our venting needs. It's easy to install, and the flexible design makes it easy to maneuver around obstacles.
5.0
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
1 Reviews
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