Tub Boxes
    TB-NP-0200 & TB-TW-0200

    Tub Box
    Extension Kit
    HFPTB-EXT

    *T-Rating when penetrant is non-metallic

    Tub Box
    • Provides for a watertight slab penetration
    • UL Listed firestop device
    • Built-in water, fire, smoke and gas protection
    • Strong and simple installation – no need for fire caulking or mineral wool
    • Device accepts PVC, ABS and brass drain pipes using the appropriate seal plug provided
    • Allows for expansion, contraction and movement
    Model Numbers

    Holdrite Hydroflame Custom Built Tub Box

    Model Number Penetrating Pipe Type(s)Pipe O.D.Nominal Pipe Size
    TB-NP-0200 Sch.40 Bath Drains 1.9”1½”
    TB-TW-0200 Thin Wall & Brass Bath Drains 1.5”1½”
    Tub Box Extension Kits

    • Extension kit for Hydroflame Tub Boxes adds 5-1/4″ to the length
    • Standard tub box assembled height is 10-3/4″
    • Kit can be cut shorter, or sleeve extensions #HFPE2 can be added to make the tub box taller
    • Used with all Hydroflame Tub Boxes
    Model NumberPenetrating Pipe Type
    HFPTB-EXTPlastic and Metal
    Resources

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