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    OEM/Oil Equipment Mfg 4 in. FNPT Mushroom Vent Cap O4028 OEM/Oil Equipment Mfg 4 in. FNPT Mushroom Vent Cap O4028

    4 in. FNPT Mushroom Vent Cap

    Part #O4028  |  Item #399757  |  Manufacturer Part #4028

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    • 3/4 in

      Part #O4021 | Item #42667 | Mfr. Part #4021

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    • 1 in

      Part #O4022 | Item #22925 | Mfr. Part #4022

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    • 1-1/2 in

      Part #O4024 | Item #41476 | Mfr. Part #4024

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    • 2 in

      Part #O4025 | Item #24547 | Mfr. Part #4025

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    • 3 in

      Part #O4027 | Item #399756 | Mfr. Part #4027

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    • 4 in

      Part #O4028 | Item #399757 | Mfr. Part #4028

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    Product Details

    • Rust resistant zinc plated
    • Designed with a 30 mesh screen to prevent debris from entering the vent pipe

    Documents

    Specification

    Specifications

    End Connection 1: FNPT

    End Connections: FNPT

    Fitting Size 1: 4 in

    Fitting Sizes: 4 in

    Fitting Type: Cap

    Material: Cast Iron

     
     
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    LEAD LAW WARNING: In accordance with the US Federal or other States laws It is illegal to install products that are not “lead free” certified in potable water systems anticipated for human consumption. Refer to your local plumbing inspector or manufacturer for more details.