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Groco BB-Series Backing Block
Seacock Sold Separately

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Groco BB-Series Backing Block

  • Select Seacock Size
  • 1/2" Thick for a Secure Installation, Will Not Swell or Absorb Moisture
  • Item #: 
    502614
    Brand: 
    Groco
    Model #: 

    Multiple Models Available

    List Price: 
    From $53.00 To $97.00
    Our Price:
    From $36.99 To $64.99
    502614 Groco Groco BB-Series Backing Block Multiple Models Available

    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
    Groco BB-Series Backing Block
    36.99 64.99
     
    Please enter quantity below.
     
     
    Shipping is delayed due to the high volume

    Seacock Model
    Seacock Size
    Model #
    Info
    Packaged Weight
    Availability
     
    Price
    Qty
     
    750 and 1000
    3/4 Inch and 1 Inch
    BB-1
    null
      0.05 Lbs.
      *In Stock!*
    List Price: $53.00
    Our Price: $36.99
     
    1250 and 1500
    1-1/4 Inch and 1-1/2 Inch
    BB-2
    null
      0.50 Lbs.
      *In Stock!*
    List Price: $64.00
    Our Price: $44.99
     
    2000 and 2500
    2 Inch and 2-1/2 Inch
    BB-3
    null
      0.05 Lbs.
      *In Stock!*
    List Price: $97.00
    Our Price: $64.99
     
    3000
    3 Inch
    BB-4
    null
      1.00 Lbs.
    List Price: $88.00
    Our Price: $64.99
     
    Click the "More Info" button above for specific information about that product.
     
     

    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
     
     

    Groco TH-Series Bronze Mushroom Head Thru-Hull Fitting
    Item #: 502918
  • Select Thread Size
  • Material: Bronze, Retaining Nut is Not Included, Rated Above / Below Waterline
  • Marine UL listed
  •   null
    List Price: From $18.50 To $556.00
    Our Price: From $12.99 To $369.99
    Model #:
    Multiple Sizes Available
    Groco FBV Series Full-Flow Flanged Ball Type Seacock
    Item #: 503591
  • Select Bottom and Top Threads
  • Material: Bronze
  • Field Reversible Handle
  •   null
    List Price: From $69.00 To $623.00
    Our Price: From $48.99 To $429.99
    Model #:
    Multiple Sizes Available
    Groco BV Series Full Flow Ball-Type Seacock
    Item #: 503592
  • Select Bottom and Top Threads
  • Material: Bronze
  • Tri-Flange Base, Mounting Holes Match most Common Brands
  •   null
    List Price: From $226.00 To $4,240.00
    Our Price: From $159.99 To $2,999.99
    Model #:
    Multiple Sizes Available
     
     
     

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