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Groco BB-Series Backing Block BB-4
Seacock Sold Separately

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Groco BB-Series Backing Block BB-4

  • Applications: 3" and 4" Seacocks
  • Diameter: 9.5", Threaded Inserts: 1/2"-13
  • 1/2" Thick for a Secure Installation, Will Not Swell or Absorb Moisture
  • Item #: 
    502614BBKBB4
    Brand: 
    Groco
    Model #: 

    BB-4

    Packaged Weight: 
    1.00 Lbs.
    List Price: 
    $100.00
    Our Price:
    $69.99
    502614BBKBB4 Groco Groco BB-Series Backing Block BB-4 BB-4

    Features:

    • Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull
    • Each size fits multiple seacock sizes
    • Press threaded inserts into the hull side of the backing block into the holes that match the seacock flange
    • 1/2" thickness is rigid enough for a secure installation but flexible enough to conform to minor hull curvature
    • Will not swell or absorb moisture
    • Applications: 3" and 4" Seacocks
    • Diameter: 9.5"
    • Threaded Inserts: 1/2"-13
    Groco BB-Series Backing Block BB-4
    69.99
    Status:  null Special Order
    This item is a special order and may not be cancelled or returned.

    Features:

    • Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull
    • Each size fits multiple seacock sizes
    • Press threaded inserts into the hull side of the backing block into the holes that match the seacock flange
    • 1/2" thickness is rigid enough for a secure installation but flexible enough to conform to minor hull curvature
    • Will not swell or absorb moisture
    • Applications: 3" and 4" Seacocks
    • Diameter: 9.5"
    • Threaded Inserts: 1/2"-13

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