Oh Fu¢k..!!!! I know many boat builders often used improper seacocks, eg; a ball valve threaded directly to on a thru-hull [...]

Start by Drilling a Hole Many readers have asked me how to install stronger, flanged seacocks without also drilling extra holes [...]

Choose the Location This photo is showing the spot for the new seacock & thru-hull as chosen from inside the vessel. [...]

"RC My Engine is Overheating?" Over the years I have really grown to distrust and dislike external intake strainers of either the scoop type [...]

The Test Bench I had been meaning to test the strength of a ball valve threaded directly onto a thru-hull, as [...]

Anatomy of a Tapered Cone Seacock These are the parts of a Spartan Marine tapered cone or tapered plug seacock. Over [...]

Tip: If you would like a higher resolution or larger photo simply click on the picture and it will get bigger. [...]

These are called Thru-Hulls This item is called a thru-hull or sometimes a mushroom-head or even a skin fitting. They are [...]