A self-cleaning sink has an undermounted bowl connected to a countertop. The perimeter of an internal bowl portion extends about a perimeter of a sink access permitting access through the countertop into the bowl and a base of the countertop spaces the internal bowl portion from the sink access perimeter. The base has at least one port in communication with a cross passage which selectively directs water into the bowl in a self-cleaning.

A self-cleaning sink has an undermounted bowl connected to a countertop. The perimeter of an internal bowl portion extends about a perimeter of a sink access permitting access through the countertop into the bowl and a base of the countertop spaces the internal bowl portion from the sink access perimeter. The base has at least one port in communication with a cross passage which selectively directs water into the bowl in a self-cleaning.

A wash stand assembly that comprises a wash stand having a wash basin and a drain opening through which water to be drained out of the wash basin can be conducted away, the drain opening leading into an inner chamber. The wash stand (2) has a rear wall (6) with which the wash stand (1) comes into contact with a connection structure on the building side when in the installed position. The inner chamber (5) is open in the region of a rear wall (6) of the wash stand (2). An insert element (7) has a drain connection piece (8) for connection to a wastewater pipe on the building side, wherein the insert element (7) is connected to the wash stand (2) such that the inner chamber (5) is sealed watertight and the water can be fed from the drain opening (4) to the drain connection piece (8).

Systems and methods for providing a sink basin having a coupled drain assembly for interchangeably coupling a drain and a garbage disposal are described. In an aspect, a sink basin drain assembly includes, but is not limited to, a drain body defining an interior; a collar extending outwardly from the drain body and terminating at an exterior edge and tapering from the exterior edge to an aperture fluidically coupled with the interior, the exterior edge configured to couple with an inwardly extending interior lip on a bottom portion of a flanged drain housing, the collar including a collar seal configured to abut an upper surface of the; and a drain shield including a base and sidewalls extending upwardly from the base, the sidewalls configured to interface with the bottom portion of the flanged drain housing to push the lip against the collar seal.

Systems and methods for providing a sink basin having a coupled drain assembly for interchangeably coupling a drain and a garbage disposal are described. In an aspect, a sink basin drain assembly includes, but is not limited to, a drain body defining an interior; a collar extending outwardly from the drain body and terminating at an exterior edge and tapering from the exterior edge to an aperture fluidically coupled with the interior, the exterior edge configured to couple with an inwardly extending interior lip on a bottom portion of a flanged drain housing, the collar including a collar seal configured to abut an upper surface of the; and a drain shield including a base and sidewalls extending upwardly from the base, the sidewalls configured to interface with the bottom portion of the flanged drain housing to push the lip against the collar seal.

A sink includes a base that has a drain. A front wall extends upward from the base. A rear wall extends upward from the base. A first side wall and a second side wall extend upward from the base. The first side wall includes a first height from the base being greater than a second height of the second side wall from the base by approximately 1 cm (0.39 inches).

A sink includes a base that has a drain. A front wall extends upward from the base. A rear wall extends upward from the base. A first side wall and a second side wall extend upward from the base. The first side wall includes a first height from the base being greater than a second height of the second side wall from the base by approximately 1 cm (0.39 inches).

A sink system includes a basin, an apron, and a lighting system. The basin includes a bottom wall, a drain, a front wall, and a basin rim. The drain is disposed within the bottom wall. The front wall is contiguous with the bottom wall. The basin rim is contiguous with the front wall and separated from the bottom wall by the front wall. The apron is coupled to the basin rim. The apron includes an apron panel wall that has an interior surface and an exterior surface opposite the interior surface. The interior surface is in confronting relation with the front wall. The lighting system includes an apron lighting element and a controller. The apron lighting element is coupled to the apron. The apron lighting element is configured to provide illumination to an apron illumination target disposed on the exterior surface.

A sink system includes a basin, an apron, and a lighting system. The basin includes a bottom wall, a drain, a front wall, and a basin rim. The drain is disposed within the bottom wall. The front wall is contiguous with the bottom wall. The basin rim is contiguous with the front wall and separated from the bottom wall by the front wall. The apron is coupled to the basin rim. The apron includes an apron panel wall that has an interior surface and an exterior surface opposite the interior surface. The interior surface is in confronting relation with the front wall. The lighting system includes an apron lighting element and a controller. The apron lighting element is coupled to the apron. The apron lighting element is configured to provide illumination to an apron illumination target disposed on the exterior surface.

The present disclosure provides a system for recovering and reusing graywater generated from at least one graywater source in a building. The system includes a controller configured to control recovery and reuse of the graywater; a graywater recovery device communicably coupled to the controller and configured to recover the graywater from the graywater source of the building; and a graywater distributor communicably coupled to the controller, connected to the graywater recovery device, and configured to distribute the recovered graywater to at least one target position in the building for reuse, wherein the controller controls the graywater recovery device to deliver the graywater to the graywater distributor according to a control signal sent by a user, and the controller controls the graywater distributor to deliver the graywater to a target position designated by the user for reuse according to a control signal sent by the user.