BB-3 - Groco Backing Block f/2-1/2" Seacocks

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 Backing Block, part number BB-3, is a replacement component designed for marine applications involving 2-inch and 2-1/2-inch seacocks. This backing block provides a stable mounting surface, addressing challenges related to secure seacock installation on hulls. Constructed from a marine-grade PVC foam, it resists swelling and moisture absorption, contributing to long-term reliability in wet environments. Its 1/2-inch thickness offers rigidity for secure attachment while maintaining enough flexibility to adapt to minor hull curvatures. The design incorporates holes for pressing threaded brass inserts, facilitating a robust connection to the seacock flange. This product is suitable for IT and facilities managers overseeing marine equipment maintenance or new installations where a durable and conforming backing block is required for seacocks within the specified size range.