GROCO Backing Block for 2-Inch and 2-1/2-Inch Seacocks - Model BB-3

Backing Block for 2" 2-1/2" Seacocks

Features:

• 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

The GROCO BB-3 backing block is designed specifically for 2-inch and 2-1/2-inch seacocks, providing a secure and reliable mounting solution for marine applications. Crafted from environmentally friendly PVC foam, this backing block offers durability and resistance to moisture, ensuring long-lasting performance in harsh marine environments. Its rigid 1/2-inch thickness delivers a secure fit, while the flexibility allows it to conform to minor hull curvature, making installation straightforward and effective. The backing block features press- threaded brass inserts that are inserted into the hull side of the block, aligning with the flange holes of the seacock for a tight seal and optimal stability. This design prevents swelling or moisture absorption, maintaining the integrity of your seacock installation over time. The versatile sizing accommodates multiple seacock sizes, simplifying inventory and installation processes, and reducing the need for multiple parts. Whether you are replacing an existing backing or installing a new seacock, the GROCO BB-3 backing block ensures a professional-grade, environmentally friendly solution that is easy to install and built to last.

Features:

• 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-inch 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