Dishwasher comprising spraying arms and a circulating pump

Dishwashing machine (2) with spray arms and a circulation pump (1) having an impeller, one inlet connection (3) and at least one discharge nozzle in the pump casing, with a water distributor ( 15) provided on the pressure side of the pump to generate a flow from an inlet to one of several eligible outputs, associated with the spray arms, having the water distributor (15) of a locking element (19) with the least one window opening (21) positionable by an actuator (20) in at least one outlet position, characterized in that the water distributor (15) is integrated into the circulation pump (1) in such a way the input water distributor (15) is formed by the inlet (3) of the circulation pump (1) and the output of the water distributor (15) for several discharge ports (4, 5, 6) of the circulation pump (1) and in that the geometry and arrangement of the locking element (19) in the circulation pump is such that by rotating the locking element in its circumferential direction the desired starting position is achieved.