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    Metal-Fab 3 Inch to 4 Inch Draft Hood Increaser - For Use with Type B Round Chimney Pipe

    List Price: $49.99
    Sale Price: $36.21
    You Save: $13.78 (28%)
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    Product Details
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    Manufacturer: Metal-Fab
    Part Number: 3MDC4
    eFireplaceStore Item Number: MFB-3MDC4
    UPC: 622417122573


    • Allows 3" draft hoods to connect to 4" B-Vent pipes
    • .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
    • 5.5" height
    • For use with 3" 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 3" UL Listed round gas vent pipe (see list below)
    • Listed to UL 441
    • Limited one-year warranty
    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

    *Venting Requirements: This unit requires venting pipe with an inner diameter of 3 Inches. Please see the Venting Components section on this page if available for venting pipe that must be used with this unit.

    Connecting a three-inch draft hood to four-inch Metal-Fab Type B Round Chimney Pipe is simple when you've got a 3 Inch to 4 Inch Draft Hood Increaser.
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