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Mega Sale Groco Backing Block F/1-1/4" & 1-1/2" Seacocks - Today Only [DpWCwxsA]

$19.99 $63.99 -69%

Comprehensive Seacock Backing SolutionIntroducing the GROCO Backing Block, a versatile solution designed for both 1-1/4" and 1-1/2" seacocks. This innovative backing block is crafted to provide secure and durable installation for your marine applicat

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Mega Sale Groco Backing Block F/1-1/4" & 1-1/2" Seacocks - Today Only [DpWCwxsA]

Comprehensive Seacock Backing Solution

Introducing the GROCO Backing Block, a versatile solution designed for both 1-1/4" and 1-1/2" seacocks. This innovative backing block is crafted to provide secure and durable installation for your marine applications. With its ability to fit multiple seacock sizes, it's an essential tool for any marine enthusiast or professional looking to ensure a proper fit and secure installation every time.

Key Features and Specifications

The GROCO Backing Block boasts a range of impressive features. Its rigid 1/2" thickness ensures a stable and secure fit, yet it remains flexible enough to conform to minor hull curvatures, making it ideal for a variety of installation scenarios. The press threaded brass inserts into the hull side of the backing block easily into the holes that match the seacock flange, offering a quick and efficient installation process. Constructed from an environmentally friendly PVC foam specially formulated for marine applications, this backing block will not swell or absorb moisture, ensuring long-lasting performance and reliability.
  • Multi-size Compatibility: Each size fits multiple seacock sizes, offering flexibility in various installation scenarios.
  • Rigid yet Flexible: The 1/2" thickness provides a secure installation, while the flexibility conforms to minor hull curvatures.

Practical Uses and Target Audience

Whether you're a DIY marine enthusiast or a professional, the GROCO Backing Block is an indispensable tool for ensuring the longevity and reliability of your marine equipment. Its environmentally friendly materials and versatile design make it a perfect fit for any boat owner looking to maintain their vessel's integrity and performance. From recreational boaters to commercial fishing operations, this backing block is an essential part of maintaining the functionality and durability of seacocks, providing peace of mind on the water.

What Our Customers Say

January 29, 2026

Absolutely no complaints!

An excellent purchase. It works real, true wonders.

- Math O..

January 29, 2026

Absolutely no complaints!

I'm genuinely impressed by how well this works.

- Rhiangar X..

January 29, 2026

Absolutely no complaints!

A truly brilliant and highly effective device.

- Eamon J..

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