GROCO

GROCO Backing Block f/3/4" 1" Seacocks [BB-1]

$43.95 ~~$65.00~~

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

Specifications: