| 摘要 |
A double flush valve assembly of the type designed to be fitted to existing, prior art flush tanks which is found in residential or commercial toilet facilities wherein a first and second flush valve elements are located at different depths within the interior of the tank and each operated separately by independent spaced apart handle elements such that the first valve element is activated to produce a normal flush using the conventional amount of water when heavy waste material is required to be disposed. Similarly, the second valve element is activated through activation of a separate handle when lighter waste material is needed to be disposed such as when a child utilizes the toilet facilities. A plurality of vents are interconnected to the housing means of the valve assembly to provide a "fast flush" thereby utilizing less water through the elimination or decrease of negative pressure within the housing and outlet of the flush tank.
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