GROCO Backing Block for 3/4-Inch and 1-Inch Seacocks

Backing Block for 3/4" 1" 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 Backing Block part number BB-1 is designed to provide secure and reliable support for 3/4-inch and 1-inch seacocks on marine vessels. Crafted from environmentally friendly PVC foam, this backing block features a rigid 1/2-inch thickness that ensures a stable installation while remaining flexible enough to conform to minor hull curvature. Its construction prevents swelling and moisture absorption, ensuring long-lasting performance in harsh marine environments. This backing block is compatible with multiple seacock sizes, making it a versatile choice for boat maintenance and upgrades. Installation involves pressing the brass inserts into hull-side holes that match the seacock flange, providing a secure and sealed fit that helps prevent leaks and water intrusion. The material's durability and environmental friendliness make it an ideal component for maintaining the integrity of your vessel's plumbing system. Whether you're replacing worn-out backing blocks or setting up new seacock installations, the GROCO BB-1 backing block offers a dependable solution that combines ease of installation with long-term reliability, ensuring your marine plumbing remains secure and functional in all conditions.

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