i have a toiket "pozzi ginori"30 yrs old.it has a unique flush system.the water tank is tall and slim.water comes in from the top left into the tank where there is a plastic conical projection (tthru which the water enters .at the other end of this protuberance,is a plunger activated by an arm and float;when the water is at the proper level,thhe arm pushes against the conical protuberance and stops the flow of water.my problem is that the piece that goes thru the waal oof the tank(plastic threaded tube tthat ends in the protuberance is broken,I am looking for the whole flushing apparatus.any one got a clue as to what i;m talking about and has an answer as to where i could get such parts?