....and what else, dazzlenation?...well, the CHP plumber has just finished....the flush is no longer stuck...and he was to clear away the limescale at the base of etc etc....as the mechanism was sitting unevenly....as well as doing a bit of work to the upper part of it and hey presto....i'm not worried about the flush or the 'dripping' anymore....and yes, it used to drip, now and then....wonderful job....go figure.