GROCO Backing Block f/1-1/4" & 1-1/2" Seacocks

GROCO

$45.73 
SKU: BB-2-C-72848

Backing Block for 1-1/4" & 1-1/2" 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