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

    91.56
    List Price: $109.99
    Sale Price: $91.56
    You Save: $18.43 (17%)
    In Stock.
    * Usually Ships within 2-3 Business Days.
    • 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
    See complete product details >>
    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
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    *Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page if available 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.

    Customer Questions & Answers
    1 Question & 1 Answer
    Al
    from Newnan, GA asked:
    September 9, 2020
    Is the male end compatible with existing 4-inch double wall pipe?
    1 Answer
    Per the manufacturer, this product is 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

    Submitted by: Tyler M. - NFI Master Hearth Professional on September 10, 2020

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