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.
American Standard has been producing toilets for many decades, and over the course of that time has made a few changes to their part number scheme. Most early lids will have the same part number as the tank, such as 4049, which would be listed on both the back wall of the inside of the tank and the underside of the lid.anufacturer: AMERICAN STANDARD Lid P/N: 2149 Lid Size: Tank P/N: Tank Size: ..