Universal flush valve system

An universal flush valve system comprising:

• an universal system connector accommodating seating thereon of either a flapper style flush valve assembly or a canister style flush valve assembly, as required by a particular embodiment of a toilet tank of either a one or two piece toilet within which the flush valve system is utilized;
• a toilet tank specific connector extension which is capable of being permanently mechanically engaged to a bottom portion of said universal system connector and used to suitably engage the universal system connector to a corresponding water flow opening in the particular embodiment of toilet tank by extending through the opening and receiving a suitable cooperating connection element thereover;
• a sealing device for sealing the flush valve assembly against the universal system connector;
• and
• a locking mechanism for locking the flush valve assembly onto a top portion of the universal system connector, seating over the sealing device to produce a water tight engagement therebetween.