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Spring Sale Groco Backing Block F/1-1/4" & 1-1/2" Seacocks No Hidden Fees [cHn4MJit]

$21.99 $70.99 -69%

Comprehensive Backing Block for Seacocks Are you looking for a versatile and durable backing block for your marine seacocks? Look no further. The GROCO Backing Block is designed to provide a secure and reliable installation for both 1-1/4" and 1-1/2"

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Spring Sale Groco Backing Block F/1-1/4" & 1-1/2" Seacocks No Hidden Fees [cHn4MJit]

Comprehensive Backing Block for Seacocks

Are you looking for a versatile and durable backing block for your marine seacocks? Look no further. The GROCO Backing Block is designed to provide a secure and reliable installation for both 1-1/4" and 1-1/2" seacock sizes, making it an essential accessory for any marine enthusiast.

Key Features and Specifications:

  • Each size of the backing block is compatible with multiple seacock sizes, ensuring flexibility and convenience.
  • Installation is straightforward, as you can press threaded brass inserts into the hull side of the backing block and align them with the seacock flange holes.

Benefits and Uses:

  • The backing block is rigid with a 1/2" thickness, providing a secure fit while still being flexible enough to conform to minor hull curvature, ensuring a snug fit in various applications.
  • Unlike traditional materials, this backing block will not swell or absorb moisture, maintaining its integrity and performance over time.
  • Manufactured from an environmentally friendly PVC foam specifically formulated for marine applications, this backing block is not only durable but also sustainable, making it an eco-conscious choice for marine installations.

What Our Customers Say

February 7, 2026

Absolutely no complaints!

It's a very responsive and quick device. No lag at all.

- Brooklynn R..

February 7, 2026

Absolutely no complaints!

The performance is outstanding, and it's easy to operate.

- Tiana M..

February 7, 2026

Absolutely no complaints!

This product is a great example of quality and performance.

- Krew J..

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