Groco Backing Blocks – Flanged Seacocks
£50.63 – £206.52
Backing blocks ease installation of flanged seacocks ensuring a professional robust fit and removing unnecessary work.
Backing blocks improve installation of flanged seacocks, reducing potential for leaks and lowering fit time.
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- 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
- Made in the USA
- Backing block
- Installation instructions