While you wait for answers, we may have found some information which could help you.
Click here for Replace Broken Toilet Seat
running cistern?
removing lid of a twyford dual flush cistern?
twyfords close coupled toilet 40 years old?
i dont have a ballcock in the cistern, how do i fix the overflow? ?
How can I fit a new siphon unit in my twyford dual flush toilet?
Broken Twyford Dual Flush Button?