A washing machine comprising a rotating drum wherein the laundry to be washed is placed, which has a rear wall, a tub wherein the drum moves, a motor which provides the rotation of the drum, a shaft which delivers the movement received from the motor to the drum and which is borne to the tub and one or more than one receptacle situated on the drum, in which fluid is transferred to meet the unbalanced load when unbalanced load occurs, a stationary cylindrical protrusion situated on the tub, a cylindrical housing situated on the rear wall, surrounding the protrusion concentrically such that a distance remains therebetween, rotating together with the drum, at least one supply line situated on the tub, having an inlet connected to the mains and an outlet situated on the surface of the protrusion facing the housing and at least one distribution line situated on the rear wall, rotating together with the drum, one end of which is connected to the receptacle, the other end opening to the surface of the housing facing the protrusion, an insert comprising: - a hollow cylindrical body, - more than one ring-shaped sealing element arranged one behind the other, almost parallel to each other on the inner surface or the outer surface of the body, - more than one compartment remaining between the sealing elements, into each one of which one distribution line inlet and one supply line outlet open, - at least one opening situated on the body and in each compartment, providing the connection between the supply line and distribution line, - which is fixed onto the protrusion or into the housing such as to remain between the protrusion and the housing, wherein the insert - is mounted into the housing such that the opening and the distribution line inlet overlap and the sealing elements are mounted onto the inner surface of the body, the free ends of which bear over the protrusion, or the insert is mounted onto the protrusion such that the opening and the supply line outlet overlap and the sealing elements are mounted onto the outer surface of the body, the free ends of which bear against the inner surface of the housing, - is produced from metal or plastic material, - comprises more than one ring-shaped holder and a recess and a detent means situated on the holders, wherein the body is produced by more than one holder locking to each other by snap fit such that the detent means seat into the recesses. - a hollow cylindrical body, - more than one ring-shaped sealing element arranged one behind the other, almost parallel to each other on the inner surface or the outer surface of the body, - more than one compartment remaining between the sealing elements, into each one of which one distribution line inlet and one supply line outlet open, - at least one opening situated on the body and in each compartment, providing the connection between the supply line and distribution line, - which is fixed onto the protrusion or into the housing such as to remain between the protrusion and the housing, - is mounted into the housing such that the opening and the distribution line inlet overlap and the sealing elements are mounted onto the inner surface of the body, the free ends of which bear over the protrusion, or the insert is mounted onto the protrusion such that the opening and the supply line outlet overlap and the sealing elements are mounted onto the outer surface of the body, the free ends of which bear against the inner surface of the housing, - is produced from metal or plastic material, - comprises more than one ring-shaped holder and a recess and a detent means situated on the holders,