+1-844-247-2327 Help Center Check Order Status About Us Policies
Free Shipping & Free Returns*

FREE SHIPPING on Over 126,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

TIP
My Cart 0 Items

GROCO Backing Block f/3/4" & 1" Seacocks BB-1 w/ Free S&H

GROCO Block f/3/4" & 1" Seacocks Backing 72847
GROCO Block f/3/4" & 1" Seacocks Backing 72847
1 of 1 images
GROCO Block f/3/4" & 1" Seacocks Backing 72847

Tap Tap to Zoom

Questions & Answers

New Product

See more new GROCO Pipe Fitting Equipment items
We’ve just added this new product to Armabear. Be the first to get it!
Color:
Black

Code: 666-FTN-CWR5073-BB-1

MPN: BB-1

UPC: 742985169845

List: $71.00Save $3.01
$67.99
AB Rewards$1.36

Product Info for GROCO Backing Block f/3/4" & 1" Seacocks

Backing Block for 3/4" & 1" Seacocksimage

Specifications for GROCO Backing Block f/3/4" & 1" Seacocks:

Manufacturer: GROCO
Color: Black

Features of GROCO Backing Block f/3/4" & 1" Seacocks

  • 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

Package Contents:

  • GROCO Backing Block f/3/4" & 1" Seacocks

GROCO Backing Block f/3/4" & 1" Seacocks Orderable Models

List of Orderable Models

  • GROCO Block f/3/4" & 1" Seacocks Backing, BB-1 , MPN: BB-1 , UPC: 742985169845 , Code: 666-FTN-CWR5073-BB-1
Compare (0)
1 item has been added
Add at least two items to compare
Last updated 2026-09-12 UTC.