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Flapper flush valve










Image Number 3 for United States Patent #3935598.

A toilet tank flapper valve providing user selection of either a full or partial dispensing of the liquid contents of the tank. A novel ball-check valve particularly located in the flapper valve either obstructs water from entering or permits it to enter the buoyancy chamber of the flapper valve. When water is permitted to enter, a partial dispensing action results.








 
 
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