a flushing device has two water outlets , wherein one outlet is connected to an arch of a trap of the toilet bowl . this outlet is connected to means with which a portion of the flushing water present in a flushing tank can be pressurized and released to this outlet . the water is briefly set into motion with the pressurized flushing water , and more effective emptying of the trap is achieved . the flushing device according to the present invention represents a lower load for the water pipes and operates with less noise than flushing valve - type devices .