I'm not normally a lucky person with things like this but agree, this is a very good result.Result and free too
No worries. Basically there is one of those huge o rings on either side of the bund and the massive nut squishes them up between the flange formed by the pipe into the inner tank, either side of the bund and the nut.Many thanks for the photos reb78 its clearer in my mind now looks as if I have an earlier tank.