GROCO Backing Block f/1-1/4" & 1-1/2" Seacocks
Thanks for signing up for restock notifications!
There was an error signing up for restock notifications. Please try again.
Backing Block for 1-1/4" & 1-1/2" Seacocks
- 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