GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Brand_Monarch Marine Not all traps are designed

Not all traps are designed to catch bait

The PSS Shaft Seal is also recognized as

2006 & newer: F50

Sensitivity - 94dB

All meet ABYC A-23 for boats up to 12 meters

GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Brand_Monarch Marine Not all traps are designedBacking 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: