GROCO Backing Block f/3/4" 1" Seacocks [BB-1]

Description

Backing Block for 3/4" & 1" Seacocks

Features:

  • Each size fits multiple seacock sizes
  • Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange
  • Rigid 1/2" thickness provides secure installation but is flexible enough to conform to minor hull curvature
  • Will not swell or absorb moisture
  • Made from an environmentally friendly PVC foam specially formulated for marine applications

Specifications:

  • Construction: Bronze
  • Box Dimensions: 1"H x 7"W x 9"L WT: 0.2 lbs
  • UPC: 742985169845
Product form

Backing Block for 3/4" & 1" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull... Read more

SKU: CWR-72847
Barcode: 742985169845

12 in stock

$70.00$46.50

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    • Shipped today? Order within: Nov 10, 2025 15:00:00 -0500

    Description

    Backing Block for 3/4" & 1" Seacocks

    Features:

    • Each size fits multiple seacock sizes
    • Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange
    • Rigid 1/2" thickness provides secure installation but is flexible enough to conform to minor hull curvature
    • Will not swell or absorb moisture
    • Made from an environmentally friendly PVC foam specially formulated for marine applications

    Specifications:

    • Construction: Bronze
    • Box Dimensions: 1"H x 7"W x 9"L WT: 0.2 lbs
    • UPC: 742985169845

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