Abstract: An arrangement for installing and mounting a washbasin includes a mounting box that can be fastened to a wall or to a mounting frame. The mounting box includes connections for water supply and water drain as well as a fastening means for fastening the washbasin to the mounting box. The arrangement further includes holding and guide elements configured to receive substantially vertical forces and guide during mounting of the washbasin to the mounting box. Other aspects are described and claimed.

Abstract: A drainage device is provided that includes an inlet opening connectable to a sanitary appliance, a drainage opening connectable to a sewage pipe, and a closure section arranged between the inlet opening and the drainage opening. Passage of gas between the inlet opening and the drainage opening can be prevented by filling the closure section with a liquid. The drainage device further includes an actuating means and a vent opening. In a rest position, the actuating means closes the vent opening. In an activation position, the actuating means releases the vent opening. In the activation position, a gas passage between the drainage opening and the vent opening is allowed. Other aspects are described and claimed.

Abstract: The invention relates to an arrangement for the installation and wall mounting of a washbasin (23) or the like, wherein a flush-mounted box (1) for connections of the washbasin (23) and a fastening device for the fastening of the washbasin (23) on the wall are provided, wherein the flush-mounted box (1) comprises a load-bearing rear wall (2) provided with a mounting rail (4), which can be fixedly anchored to the wall (24), wherein the rear wall bears the fastening device (5) for the washbasin (23), wherein the flush-mounted box (1) comprises the connections for the water inlet (6, 7) and the drain (30) and wherein the front side of the flush-mounted box (1) is entirely covered by the rear wall (31) of the washbasin (23) once it has been mounted on the wall.

Abstract: The invention relates to an arrangement for the installation and wall mounting of a washbasin (23) or the like, wherein a flush-mounted box (1) for connections of the washbasin (23) and a fastening device for the fastening of the washbasin (23) on the wall are provided, wherein the flush-mounted box (1) comprises a load-bearing rear wall (2) provided with a mounting rail (4), which can be fixedly anchored to the wall (24), wherein the rear wall bears the fastening device (5) for the washbasin (23), wherein the flush-mounted box (1) comprises the connections for the water inlet (6, 7) and the drain (30) and wherein the front side of the flush-mounted box (1) is entirely covered by the rear wall (31) of the washbasin (23) once it has been mounted on the wall.