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

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

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

OM-GROCO-BACKINGBLOCK3-BB1

$52.26
$71.00 $52.26
Sale
FREE Standard Shipping On every U.S. order — no minimum. Faster delivery options are available at checkout for qualifying orders.

Low stock: 3 left
Free standard shipping · every U.S. order, no minimum
Sourced from authorized U.S. distributors
Genuine product · full manufacturer warranty
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Overview

BronzeConstruction

This GROCO backing block is made for installing 3/4 inch and 1 inch seacocks. The 1/2 inch marine PVC foam block provides a rigid mounting base while allowing enough flex to match minor hull curvature.

  • Fits: 3/4 inch and 1 inch seacocks
  • Thickness: 1/2 inch
  • Material: Environmentally friendly PVC foam formulated for marine applications
  • Moisture resistance: Will not swell or absorb moisture
  • Installation: Threaded brass inserts press into the hull side of the backing block
  • Fitment design: Each size fits multiple seacock sizes using holes that match the seacock flange
  • Hull fit: Rigid for secure installation and flexible enough for minor hull curvature

Specifications

ConstructionBronze
BrandGROCO
Manufacturer part #BB-1
UPC742985169845
Boxed dimensions6 x 5 x 1 in
Shipping weight0.2 lb
Country of originUNITED STATES

Shipping & returns

Free standard shipping

Standard shipping is free on every U.S. order — no minimum. Need it faster? Faster delivery options are available at checkout for qualifying orders. In-stock orders ship quickly with tracking; oversized and freight items may ship separately and can take a little longer. International rates are calculated at checkout.

30-day returns

Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.

Genuine products

We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.

Genuine products

Genuine products, full warranty.

Fast, tracked shipping

On in-stock marine gear.

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Secure checkout

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