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

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


Regular price $81.00 Sale price$80.98 Save $0.02
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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

Manufacturer : GROCO
Manufacturer Part No : BB-2
UPC : 742985170148

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