Abstract: A swimming pool bottom flushing device comprising a tubular supporting arrangement attached to a pipe arranged at the bottom of a swimming pool, and a water ejector nozzle axially fitted into said supporting arrangement in a rotatable, vertically shiftable arrangement. This device is characterized in that the nozzle is formed by an open-ended tubular body provided at least with one opening in its periphery and fitted with a tubular, rotationally positionable plug peripherally provided with openings of different diameters provided to selectively face the openings of the tubular body in order to control the outflow of the water jet being ejected for the flushing of the swimming pool bottom. The top plug is selectively secured by means of a bayonet attachment into a number of positions when fitted to the tubular body of the nozzle.

Abstract: A swimming pool bottom flushing device comprising a tubular arrangement attached to the pipe arranged at the swimming pool bottom, and a water ejector nozzle axially fitted into said supporting arrangement in a freely rotatable, vertically shiftable arrangement. The device is characterized in that the nozzle supporting arrangement comprises a socket attached to the inside of the pipe and does also incorporate a fitted-in ball-bushing housing the nozzle. Said socket has on its inner surface alternate, longitudinal protrusions some of which have a concave profile in the vicinity of one of the socket's openings, whereas the other protrusions have said concave profile in the vicinity of the opposed one of both socket's openings.