Re: A54 holding tank drain seasock

Arno Luijten

Hi Soraya,

I operate them every moth or so. Not much more you can do other then spraying them with Corrosion-X. But the reality is they do get bad as these are pretty standard chromed brass seacocks. Getting proper bronze ones is close to impossible for the thread that is used on the outlet pipe. At least I was not able to source them. I can source bronze ones with tapered thread no problem, but not with a straight thread.
I had to replace the forward seacock as it was leaking via the shaft that operates the ball. It is a challenge to do. I ended up with a badly bruised upper arm for a week or so. Use Loctite 577 to seal the threads positioning the seacock in the proper rotational position. Before screwing it on with the Loctite, first do a dry-fit and count the number of rotations you need to make to fit it as far as it will go. 


Arno Luijten
SV Luna,

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