Quote:
Originally Posted by caltexflanc
Maybe I'm missing something here(nothing new there). To change out a through hull, you need to have it "dry" on the intake side. So you would have to have the water level in the sea chest be below the intake. How do you accomplish this without taking the boat out of the water? Do those with sea chests have one big huge valve for the whole thing? I've never noticed such a thing but can't say I've really looked for it on boats I've toured.
To me the attraction of sea chests is one easy to access location and one hole in the boat.The downside is all the extra hose and hose routing. Plus the "single point of failure" issue though I perceive that to be slight.
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I don't think you are missing anything. In fact, you pretty much nailed it.