Groco - Back Block 3/4 -1 Seacocks - BB-1
Groco
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Groco
Groco - Back Block 3/4 -1 Seacocks - BB-1
Groco BB Backing Block For Flanged Seacock
Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull.
Size : 4.29" Dia.
Fits : 3/4" & 1" Seacocks
Bolt : 5/16" - 18"
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Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull.
- Each size fits multiple seacock sizes
- Press threaded inserts into the hull side of the backing block into the holes that match the seacock flange
- 1/2" thickness is rigid enough for a secure installation but flexible enough to conform to minor hull curvature
- Will not swell or absorb moisture
Size : 4.29" Dia.
Fits : 3/4" & 1" Seacocks
Bolt : 5/16" - 18"
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