[Tony Saitta]

Can the Engine seacock in a Tiara 3800 open be serviced while the boat is in the water?

[MC1600]

Guess it depends on that you mean by “serviced.” What needs to be done?

[Tony Saitta]

Opening and closing very difficult, damaged brass/bronze handle trying to close seacock

[MC1600]

You could definitely replace the handle as that’s attached on the outside. Before doing anything dramatic, I’d shoot everything with some PB Blaster and let it soak in that. You could even remove the hose (with the valve closed), suck the water out, and shoot some down there.

If that doesn’t work, I think your only next step would be to deal with this during your next haulout. You certainly cannot open the valve with no hose while it’s in the water.

[Tony Saitta]

Thanks MC 1600

[Joeboch348]

I was wondering if I could replace mine as well while in the water.

[Donaldjames]

I was wondering if I could replace mine as well while in the water.

Only if you hate your boat and want to sink.

[Sans Peur]

My boat is coming out tomorrow. Other than paint, the main reason is the port engine seacock is stuck open and I don't want to start beating on it in the water. Imagine breaking that off. A 4" hole in the bottom of the boat would not be stoppable. The least I would do is put it in the straps of the lift and then start working o it. If it is an easy fix you are usually only charged for the travel lift time and not blocking.