The flush toilet of the present invention includes a bowl which receives waste; and a discharge trap conduit which is connected to a lower portion of the bowl and extends to a discharge opening connected to an inlet of an external discharge pipe and a part of which stores sealing water. The discharge trap conduit includes: an ascending conduit which ascends rearward from the lower portion of the bowl; and a descending conduit that descends from a downstream end of the ascending conduit to the discharge opening. The descending conduit includes a bottom surface on the rear side of the discharge opening and a guiding portion formed on the bottom surface which guides the wastewater flowing horizontally from the bottom surface toward the discharge opening to be directed to either a left or right side of the center of the discharge opening.

The flush toilet of the present invention includes a bowl which receives waste; and a discharge trap conduit which is connected to a lower portion of the bowl and extends to a discharge opening connected to an inlet of an external discharge pipe and a part of which stores sealing water. The discharge trap conduit includes: an ascending conduit which ascends rearward from the lower portion of the bowl; and a descending conduit that descends from a downstream end of the ascending conduit to the discharge opening. The descending conduit includes a bottom surface on the rear side of the discharge opening and a guiding portion formed on the bottom surface which guides the wastewater flowing horizontally from the bottom surface toward the discharge opening to be directed to either a left or right side of the center of the discharge opening.

Disclosed are various embodiments for facilitating the installation of a toilet over a closet collar for a drain pipe. According to various embodiments, a toilet seal assembly is positioned between the toilet and the closet collar, providing a seal between the toilet and the flange of the closet collar. The toilet seal assembly may include a flexible rubber seal and a compressible foam seal ring. The flexible rubber seal may include an annular wall, an upper ring that extends radially inward from the annular wall, and a lower ring that extends radially outward from the annular wall. The compressible foam seal ring may be disposed on the lower ring of the flexible rubber seal.

Disclosed are various embodiments for facilitating the installation of a toilet over a closet collar for a drain pipe. According to various embodiments, a toilet seal assembly is positioned between the toilet and the closet collar, providing a seal between the toilet and the flange of the closet collar. The toilet seal assembly may include a flexible rubber seal and a compressible foam seal ring. The flexible rubber seal may include an annular wall, an upper ring that extends radially inward from the annular wall, and a lower ring that extends radially outward from the annular wall. The compressible foam seal ring may be disposed on the lower ring of the flexible rubber seal.

A flush toilet includes a bowl part, a drainage water trap part that is connected to a bottom part of the bowl part, and a water drainage socket that is connected to the drainage water trap part and includes an upper side water drainage socket that extends downward from the drainage water trap part, a back side R part that is connected to the upper side water drainage socket and changes a flow channel so that a washing water that flows from an upper side is directed to a front side, and a horizontal pipe that extends forward from the back side R part. The back side R part and the horizontal pipe include a water storage part that stores a part of washing water. The water storage part is arranged on a lower side of a back side lower end part of the drainage water trap part.

A flush toilet includes a bowl part, a drainage water trap part that is connected to a bottom part of the bowl part, and a water drainage socket that is connected to the drainage water trap part and includes an upper side water drainage socket that extends downward from the drainage water trap part, a back side R part that is connected to the upper side water drainage socket and changes a flow channel so that a washing water that flows from an upper side is directed to a front side, and a horizontal pipe that extends forward from the back side R part. The back side R part and the horizontal pipe include a water storage part that stores a part of washing water. The water storage part is arranged on a lower side of a back side lower end part of the drainage water trap part.

A waste collection and disposal unit including a tank, a float-switch sensing system, and a grinder pump. The tank contains a contoured and sloping floor, a front section, a back section, two side sections and a one-piece lid, which is securable onto the other sections of the tank. The floor slopes downwardly from below the float-switch sensing system to below the grinder pump at an angle of at least about 5 degrees and is contoured in a downward curved arc between the front and back sections of the tank.

A waste collection and disposal unit including a tank, a float-switch sensing system, and a grinder pump. The tank contains a contoured and sloping floor, a front section, a back section, two side sections and a one-piece lid, which is securable onto the other sections of the tank. The floor slopes downwardly from below the float-switch sensing system to below the grinder pump at an angle of at least about 5 degrees and is contoured in a downward curved arc between the front and back sections of the tank.

A toilet assembly with a self-cleaning rim system is provided. The toilet assembly includes a toilet tank for storing water used by the toilet assembly. The toilet assembly includes a flush valve disposed within the toilet tank that opens and closes to deliver the stored water in the toilet tank. The toilet assembly includes a toilet bowl comprising a rim having a hollow section and a top surface forming an area suitable for water flow. The toilet assembly includes a rinse channel including a rinse channel inlet for receiving water from the toilet tank, the rinse channel configured to deliver the water for cleaning the top surface of the rim with each activation of the flush valve.

In various embodiments, an apparatus includes a toilet horn receptacle having an upper end and a lower end. A sealing rim is positioned at an upper end of the toilet horn receptacle, and at least a portion of the sealing rim extends inwardly from the upper end of the toilet horn receptacle towards a center axis of the sealing rim. A funnel extends from the lower end of the toilet horn receptacle, and a channel wall circumscribes the toilet horn receptacle. The channel wall and at least the toilet horn receptacle form a continuous annular receptacle. A foam sealing component is disposed in the continuous annular receptacle such that an inner wall of the foam sealing component circumscribes the toilet horn receptacle and such that the channel wall circumscribes at least a portion of an outer wall of the foam sealing component.