Bifurcation means the splitting of a main body into two parts. Bifurcation or bifurcated may refer to: 1  Bifurcation (law) , the division of issues in a trial. 2  Bifurcation theory, the study of bifurcation in dynamical systems.3  River bifurcation, the forking of a river into its distributaries.4  Bifurcation lake, a lake that flows into two different drainage basins.ifurcation or bifurcated may refer to: 1  Bifurcation (law) , the division of issues in a trial. 2  Bifurcation theory, the study of bifurcation in dynamical systems. 3  River bifurcation, the forking of a river into its distributaries.
Durable plastic construction. Design matched to champion 4 toilet. Ergonomic design makes for easier flushing. Easy installation; Left hand trip lever. For use with the American Standard Champion 4 (4266 toilet tank) Polished chrome finish.
2. Remove the cover from the toilet tank. 3. Slide the new flush valve over the vertical overflow tube inside the toilet. 4. Remove the existing flush lever from the toilet tank. 5. Disassemble the pushbutton actuator and fasten it to the toilet tank. 6. Reconnect the dual-flush mechanism to the back of the actuator.. Close water shut-off valve behind the toilet, then flush the toilet. 10. Remove the old fill valve by loosening the nut located on the underside of the toilet tank. 11. Install a new fill valve. 12. Open the shut-off valve and fill the toilet tank with water. Flush the toilet and check the water level.