I have the same problem on all 5 toilets in my house. after I flush the toilet and hold the float higher to stop water flowing in (which works on a normal 1 button/handle system) the tank still fills up and flows over the middle pipe, I've twisted every plastic!! bolt adjustment i can find yet it still fills the cistern to the same level and over flows.
any ideas would be much appreciated.
Al, January 2010
