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    Dura-Vent Type B Gas Vent Diameter Increaser - 3-Inch to 4-Inch Length

    28.44
    List Price: $29.99
    Sale Price: $28.44
    You Save: $1.55 (5%)
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    Product Details
    Manufacturer: DuraVent
    Part Number: 3GVX4
    eFireplaceStore Item Number: CPF-3GVX4
    UPC: 662492526903

    Features

    • Increases vent diameter
    • For use with Dura-Vent Type B Gas Vent pipes
    • 4" tall
    • 25-year warranty


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

    Sometimes installations require You to increase the diameter of a gas appliance's vent. You should always keep some Gas Vent Diameter Increasers when using Dura-Vent Type B piping. Applications - DuraVent Dura-Vent's Type B Gas Vent system is for use with natural gas or liquid propane category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gasfired furnaces, boilers, water heaters, and wall or space heating applications. Materials and Construction- Round Type B Gas Vent 3" - 8" and oval 4" - 6": Aluminum .012" inner wall, galvanized .018" outer wall. Round Type B Gas Vent 10" - 16": Aluminum .016" inner wall, galvanized .021" outer wall. Round Type B Gas Vent 18" - 30": aluminum .020" inner wall, galvanized .021" outer wall. 3"-16" diameters feature twist-lock fittings, screws required for 18" and larger diameters. Clearances - 1" clearance to combustibles in single and multi-family dwellings. Listings - UL Listed to UL 441 and UL 1777 (MH6357). ULC Listed to ULC S605 (CMH1276 & CMH1407).
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