An assembly for reusing greywater in a building for flushing toilet and other purpose to save the freshwater. The assembly includes a diverter to route a portion of greywater from drainpipes to a feed line. From the feed line, the greywater is collected in a pump tank. The pump tank has a pump that can lift the greywater from the pump tank to a storage tank positioned at a top level in the building, the pump tank is at the lower level in the building. A supply line transports the greywater stored in the storage tanks to the toilet tanks for flushing the toilet bowl.

The present invention discloses a device for flow control of fluid in pipelines to various utility fluid outlets like water taps and the like by blocking fluid flow from pipeline to said utility fluid outlet when the flow exceeds a predetermined flow rate. In other word, the present invention discloses an automatic fluid flow controlling device for restricting and/or stopping flow of the fluid medium miming through the guiding means or the tubing system when fluid flow exceed a certain flow rate as well as stopping flow of the running fluid flow when fluid level in the vessel wherein the running fluid is being delivered reaches a certain height.

The present invention discloses a device for flow control of fluid in pipelines to various utility fluid outlets like water taps and the like by blocking fluid flow from pipeline to said utility fluid outlet when the flow exceeds a predetermined flow rate. In other word, the present invention discloses an automatic fluid flow controlling device for restricting and/or stopping flow of the fluid medium miming through the guiding means or the tubing system when fluid flow exceed a certain flow rate as well as stopping flow of the running fluid flow when fluid level in the vessel wherein the running fluid is being delivered reaches a certain height.

The present invention relates to a water control system for the cold and hot water plumbing installations, for consumption or heating and gray water in a home, premises or building which increases water and/or energy efficiency of the installation by means of a method of operation which reduces the water consumption or energy used in its consumption and treatment: detecting and controlling water leaks, avoiding consumption of cold water which is produced while waiting for hot water to come out, reducing the energy required for consuming hot water, reducing consumption of water when it is used for the toilet together with a soap, foam or similar, measuring and controlling the proliferation of Legionella bacteria and other microorganisms, cleaning pipes and in general monitoring the control variables of a plumbing installation and its visualization and interaction by a user or a smart and autonomous IT system.

The present invention relates to a water control system for the cold and hot water plumbing installations, for consumption or heating and gray water in a home, premises or building which increases water and/or energy efficiency of the installation by means of a method of operation which reduces the water consumption or energy used in its consumption and treatment: detecting and controlling water leaks, avoiding consumption of cold water which is produced while waiting for hot water to come out, reducing the energy required for consuming hot water, reducing consumption of water when it is used for the toilet together with a soap, foam or similar, measuring and controlling the proliferation of Legionella bacteria and other microorganisms, cleaning pipes and in general monitoring the control variables of a plumbing installation and its visualization and interaction by a user or a smart and autonomous IT system.

New forms of self-cleansing surfaces are provided. In some embodiments, a self-cleansing surface is provided, which is configured to be handled by a human user, as a user interface. The self-cleansing surface may comprise one or more surface device(s), with surface-covering pores configured to release a cleanser upon physical contact or actuation of the user interface, and configured to clean the self-cleansing surface. In some embodiments, the release is mediated by a physical trigger. In some embodiments, the surface device includes a control system that monitors surface handling with a sensor, and mediates the release with an actuator. The invention may be provided on or in any form of user interface that may be physically touched by a user. For example, in some embodiments, the invention may be provided on door handles or controls, appliance handles or controls, and any other user interfaces bearing a risk of carrying microbes.

A water usage alert device has a housing. An opening is formed through the housing. A water monitoring module is positioned within the housing. The water monitoring module monitors a temperature of water running through a pipe positioned through the opening formed in the housing, an amount of water flowing through the pip; and provides alerts as to a length of time the water has been running through the pipe.

A water usage alert device has a housing. An opening is formed through the housing. A water monitoring module is positioned within the housing. The water monitoring module monitors a temperature of water running through a pipe positioned through the opening formed in the housing, an amount of water flowing through the pip; and provides alerts as to a length of time the water has been running through the pipe.

In one aspect, a water conservation apparatus is provided that includes a diverter having an inlet for being connected to a water supply, a primary outlet, and a secondary outlet. The apparatus includes an elongate water storage tank and a supply conduit configured to connect the secondary outlet of the diverter to the water storage tank. The elongate water storage tank has a height and a width perpendicular to the height that is less than the height so that the water from the secondary outlet of the diverter forms a column within the tank. The apparatus further includes a tap having an outlet and a valve, the valve having a closed position that inhibits water flow from the water tank to the outlet and an open position that permits water to be driven out of the outlet by the column of water in the tank.

A ultrapure water supply system 10 includes a pure water tank 16 provided vertically below a use point 30, a return pipe 32 through which ultrapure water is returned from the use point 30 to the pure water tank 16, a first pressure regulating valve 40 that is provided at a first position H1 of the return pipe 32 and adjusts a first pressure upstream of the first position H1 and a second pressure regulating valve 42 that is provided at a second position H2 downstream of the first position H1 and vertically below the first position H1 of the return pipe 32 and adjusts a second pressure downstream of the first position H1 and upstream of the second position H2.