needs a new fibre washer in the nut.
don't over tighten or you'll stretch the plasic thread.
hi-spec plumbing & heating (essex)
September 2008
Not making any promises but if not cured yet send digital jpeg picture showing clearly what this thingy is to robertwhiting76@hotmail.com and I'll try and help.
Bob
September 2008
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix toilets.