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

Ask a Fireplace Specialist:

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

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

Product Details

Free Venting Design & Quote:

Manufacturer: Metal-Fab
Part Number: MDWF0403
eFireplaceStore 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

*Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page for venting pipe that must be used with this unit.

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.