GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Cartography 40/10 degree Beam Angles

40/10 degree Beam Angles

Risists rusting pitting & corroding

Red 18 AWG Tinned Copper Wire - 250'

It does not deliver high pressure

GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Cartography 40/10 degree Beam AnglesBacking 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 Specifications: