Abstract: An effuser flusher includes an effuser box. The effuser includes: a box body having a box body opening disposed at a front end of the box body; and a box cover pivotally mounted on the box body and configured to control opening and closing of the box body opening. The effuser flusher also includes an effuser mounted in a box body cavity of the box body; a nozzle disposed at a front end of the effuser and configured to extend forward and retract backward through the box body opening; a first water supply pipe connected with a rear end of the effuser and configured to supply washing water; and a second water supply pipe communicated with the box body cavity and/or the effuse and configured to supply cleaning water.

Abstract: An analytical toilet is disclosed having at least one health and wellness sensor and a base supporting a bowl. A removable access panel is removably attached to the base. A space is provided between the base and the toilet, which is adapted to contain the at least one health and wellness sensor.

Abstract: The present disclosure relates to methods for obtaining health and wellness information about individuals and systems for implementing the method. In one embodiment, a method for obtaining health and wellness information about an individual comprising providing an analytical toilet comprising a bowl adapted to receive excreta from the individual and a sensor for measuring at least one characteristic of the individual or the excreta; a controller receiving data from the sensor and using that data to determine what additional information is needed to evaluate that data; the controller sending a prompt to the individual to solicit the additional information from the individual; the processor receiving the information from the device; and processing the data from the sensor and from the device to determine the health and wellness information is disclosed.

Abstract: A water spraying device comprises a housing comprising a mechanism mounting cavity, an effuser mounting cavity located at a front portion of the mechanism mounting cavity, and a water pipe accommodating cavity located at an upper portion of the mechanism mounting cavity and communicated with the effuser mounting cavity. The device also comprises an effuser comprising a nozzle and slidably arranged in the effuser mounting cavity; a water supply hose accommodated in the water pipe accommodating cavity and configured to supply water and move in the water pipe accommodating cavity; a driving mechanism mounted in the mechanism mounting cavity and configured to drive the effuser to move; and a transmission mechanism connecting the driving mechanism to the effuser. The housing comprises a housing water inlet and the effuser comprises an effuser water inlet. The water supply hose is connected between the housing water inlet and the effuser water inlet.

Abstract: A reservoir dispenser for a bidet apparatus includes a housing unit having a first chamber and a second chamber, wherein the first chamber is capable of holding a liquid wash solution separate from the second chamber. A side check valve between a hollow barrel and the first chamber; and a bottom check valve between the first chamber and the second chamber allows for controlled release of the liquid wash solution from the first chamber to the second chamber.

Abstract: Radiant furniture made of a concrete mix includes one or more heating elements or hot water supplied hydronic tubing that provide comfortable radiant heat. Tabletops can be heated to a temperature that is comfortable for people seated at the table. Benches and seats can be heated to provide comfortable heated seating. Combinations can also be used together, such as a heated tabletop with heated seats. A controller senses the temperature of the furniture and the ambient temperature, then applies power to one or more heating elements in the furniture according to programmed temperature thresholds to provide comfortable radiant heat from the furniture. The controller includes a calibration mode that allows calibrating the controller to a particular heated surface. The controller further comprises a knob that determines an operating mode for the controller and allows adjusting a temperature threshold for the heated surface up or down.

Abstract: A self-sanitizing chair is shown and described. The chair may comprise a seating surface, legs, arm rest, head rest, and a sanitizing system. The latter may include a UV light source and a sanitizing fluid dispensing system. UV light and sanitizing fluid are applied to surfaces of the chair contacted by a human user. Indicating lights indicate when sanitizing is being performed, when sanitizing fluid is drying, and when the chair is ready for the next user. A control circuit operates the indicating lights and includes an occupant sensor. Sanitizing is inhibited in the presence of an occupant and commenced when the occupant has left the chair.

Abstract: A reservoir dispenser for a bidet washing apparatus includes a reservoir dispenser body having one or more reservoir dispenser chambers. One or more reservoir dispenser inlets are fluidically connectable to the one or more of the one or more reservoir dispenser chambers. In addition, one or more reservoir dispenser outlets are fluidically connectable to the one or more of the one or more reservoir dispenser chambers.

Abstract: A reservoir dispenser for a bidet apparatus includes a housing unit having a first chamber and a second chamber, wherein the first chamber can hold liquid wash solution separate from the second chamber. The first chamber can include a lid with an opening therein; an activator located within the opening of the lids; and a stem and end piece located within the first chamber. The second chamber can include a water inlet and a water outlet for flow of water through the apparatus. Located between the first and second chamber is a check valve, which allows for the controlled transfer of liquid wash solution from the first chamber to the second chamber.

Abstract: Systems, methods, and devices relating to urinal, in some examples having a movable portion able to pivot from a generally closed to a generally open position. The urinal may have a drain line engaged with a proximal end of the funnel for conveying urine and rinse water into a sewer line or a toilet bowl and a rinse line coupled with a water supply for rinsing urine therein. The urinal may be movable with the assistance of one or more sensors that may automatically signal other electrical or mechanical components to move one or more portions of the urinal, and may be include elements that seal portions of the urinal when not in use or during cleaning to reduce gas or liquid escaping from the urinal system.

Abstract: A sanitary washing device includes a nozzle, a valve unit, a controller, and a casing. The nozzle is configured to discharge water toward an ano-genital region of a human body. The valve unit is provided on a pipe line between a water supply source and the nozzle. The valve unit includes an electromagnetic valve. The controller is configured to control operation of the nozzle and the valve unit. The casing stores the nozzle, the valve unit, and the controller. The valve unit is disposed further frontward than the controller.

Abstract: Disclosed is a nursing machine that includes a wearable working head and a urine detection circuit. The urine detection circuit includes at least two first urine sensors and at least two second urine sensors that are arranged on the working head. In response to more than one first urine sensor each outputting a liquid detected signal or in response to more than one second urine sensor each outputting the liquid detected signal, the urine detection circuit is configured to output a urine signal. In response to only one first urine sensor or only one second urine sensor outputting the liquid detected signal or in response to only one first urine sensor and only one second urine sensor each outputting the liquid detected signal, the urine detection circuit doesn't output the urine signal.

Abstract: A sanitary washing device includes a nozzle, a casing, an illuminator, and a controller. The nozzle discharges water toward a private part of a user in a state of the nozzle is advanced into a toilet. The casing includes a nozzle storage part configured to store an entirety of the nozzle in a state of the nozzle is retracted. The illuminator irradiates sterilizing light into the nozzle storage part. The sterilizing light has a sterilizing action. The controller controls the illuminator. The controller includes a first irradiation mode of causing sterilizing light irradiated from the illuminator to be irradiated toward an outer circumferential surface of the nozzle. The controller includes a second irradiation mode of causing sterilizing light irradiated from the same illuminator as the first irradiation mode to be irradiated toward an inner wall of the nozzle storage part.

Abstract: A smart toilet with a bidet, and a midair input display. The input display is bacterial free, due to the display being made of air molecules excited by lasers, that produce lights in midair. The produced lights are holograms. A user contacts the holograms, with their finger. The holograms have a touch feel. Contact with one of the holograms with the finger, is detected by a camera, and is associated to an activation of the hologram, and an activation of a bidet operation associated to the hologram. Each hologram shows a different operation of the bidet, by either the hologram or a sign associated to the hologram. Some of the operations of the bidet, wash the user's elimination areas, with water directed from the bidet. Some of the bidet operations include, bidet back wash, front wash, change of bidet water temperature, and change of water pressure.

Abstract: A drying device includes: a housing having a ventilation device provided therein; a drying nozzle provided in the housing, and having a ventilation groove from which an air flow generated by the ventilation device is discharged; and a driving motor for moving the drying nozzle forward and backward by rotating the drying nozzle.

Abstract: The electronic bidet toilet attachment is a device that can be installed on a regular toilet and has all the functions of a regular bidet, including water spraying, soap dispensing, blow drying, and a soft brush. Further enhancements include a motion activated light and spray enabling water sound induced urination. A perfume and cologne mister is also included. The device attaches to the toilet seat of a regular toilet, and a hook mounts a small cleaning fluid tank within the water tank of the toilet. That is the electronic bidet device's source of water and is coaxial with the fluid soap line. The electronic bidet-type toilet attachment has a side control panel for the user to conveniently operate the device. There are buttons to actuate all the aforementioned features, as well as a dial to control intensity and a button to flush the toilet.

Abstract: A handheld personal perineal cleansing system is provided that includes a water-ingress fitting for connecting to a waterpipe, one or more shut-off valves, a flexible feeder supply line attached to a distal end of the water-ingress fitting, an elongated spray arm attached to the distal end of the feeder supply line, at least one handle fixedly connected to the elongated spray arm, an accumulation basin, and a spray head disposed within the accumulation basin and having a nozzle assembly.

Abstract: An electromagnetic distributor and a toilet including such a distributor, which includes a housing and a water channel disposed within the housing. The water channel comprising an inlet, which is disposed at a first end of the housing, and an outlet, which extends toward a second end of the housing. A water discharge assembly is disposed at the second end of the housing. A water discharge chamber is disposed within the water discharge assembly, with an outlet of the water channel in fluid communication with the water discharge chamber, and at least two water outlets disposed on a face of the water discharge assembly furthest away from the housing. A solenoid valve assembly is disposed inside the housing. The solenoid valve assembly includes at least two electromagnetic switches, each associated with one of the at least two water outlets. Each electromagnetic switch independently controls opening/closing of the associated water outlet.

Abstract: A toilet includes a basin, a rim, and a heated water cleaning system. The basin includes a bowl. The rim includes a rim aperture in fluid communication with the bowl. The heated water cleaning system includes a heated water delivery channel and a heated water generator. The heated water delivery channel is positioned proximate the rim aperture. The heated water generator is in fluid communication with the heated water delivery channel. The heated water generator is configured to receive water, produce heated water, and provide the heated water to the heated water delivery channel. The heated water generator includes a heated water generator tank and a heater. The heated water generator tank is configured to contain at least one of water or heated water. The heater is positioned within the heated water generator tank.

Abstract: Aspects of the present invention provide a method for using an apparatus to deliver medicine and to wash, clean, and dry a region of a human body. The apparatus include a toilet seat assembly and a medicine delivery assembly. In addition, the apparatus may include a drying nozzle assembly and/or a spraying nozzle assembly. The medicine delivery assembly may include one or more medicine storage cartridges and/or one or more medicine base units, each medicine base unit includes at least a cartridge unit and at least a cartridges slot, wherein the cartridge slot is adapted to match with a medicine storage cartridge. The medicine delivery assembly may include a medicine delivery nozzle, which can be coupled to a spraying nozzle assembly, or may be operated by itself with a medicine delivery nozzle. Finally, the medicine delivery assembly can be controlled by one or more control units.

Abstract: An electronic bidet system that uses one or more internal cameras to capture images or video of a user as he or she sits on the bidet. The images or video are analyzed using machine learning computer vision technology to identify, and locate, the types, sizes, shapes, and positions of the lower body orifices, and conditions (e.g. hemorrhoids), in the user's genital and rectal areas as well as update the computational model of the user's genital and rectal areas and the computational model for cleaning the user's rectal and genital areas. Based on these analyzed images or video, the system automatically and repeatedly adjusts the bidet settings for the specific conditions (e.g. hemorrhoids) and types of orifices, locations of orifices, sizes of orifices, shapes of orifices, gender, body type, and weight of the user. Furthermore, machine learning software is used to control the cleaning and drying cycles.

Abstract: System and method for controlling an irrigation system using feedback from flow meters installed in an irrigation system are described. The systems and method allows for automatic detection of the number of flow meters and their relation to controls valves attached to an irrigation system and for precise and reliable fluid flow measurements. Typical water flows for the system are learned and then compared to current water flows to detect water leaks (i.e., high water flow), malfunctioning control valves and/or low water flow and subsequently trigger electronic alerts to the user when system malfunctions are detected.

Abstract: According to one embodiment, a sanitary washing device includes a main part, a toilet lid, and a radio wave sensor. The main part includes a toilet lid opening/closing part including a metal. The toilet lid is pivotally supported by the toilet lid opening/closing part to be rotatable with respect to the main part. The radio wave sensor is provided in an interior of the main part and uses a radio wave to detect a user in front of the main part. The radio wave sensor is positioned further frontward than the toilet lid opening/closing part. At least a part of the radio wave sensor overlaps at least a part of the toilet lid opening/closing part in a horizontal direction.

Abstract: A bidet comprises a water supply valve opened and closed to allow water to flow and including a backflow preventing means preventing water from flowing backward to a water inlet side; a heating portion heating water supplied through the water supply valve; and a backflow preventing member disposed on a rear end of the water supply valve and allowing water to be supplied or preventing water from flowing backward to the water inlet side due to water pressure, wherein the backflow preventing means and the backflow preventing member prevent water from flowing backward to the water inlet side in concert.

Abstract: A nozzle assembly, according to one embodiment of the present invention, comprises; a nozzle case; a nozzle provided in the nozzle case to move forward and backward, and having an ejection hole at one end thereof; and a moving guide member provided at the lower side of the nozzle case so as to reciprocate in the direction intersecting the longitudinal direction of the nozzle case, wherein the nozzle case is coupled to the moving guide member so as to rotate according to a reciprocating motion of the moving guide member.

Abstract: A method and apparatus are provided for washing and cleaning a region of a human body, where the apparatus is easy to carry, easily connected to auxiliary parts, and easy to install and use the various functions thereof. The apparatus includes a support body, an extended element connected to the support body, a lip element connected to the extended element, and a spray wand assembly connected to the lip element and adapted to deliver liquid with one or more liquid channels therein, wherein the spray wand assembly, includes a distal end element.

Abstract: A virtual control system that includes a control unit, a gesture recognition device, and a hologram generation device. The hologram generation device is configured to generate a hologram in a first volume of space. The gesture recognition device is configured to recognize a proper gesture within the first volume of space. The control unit is configured to send a signal to a component to be controlled when the gesture recognition device recognizes the proper gesture.

Abstract: A method and an apparatus for delivering a solution to a region of a human body, and washing, cleaning, and drying the region are provided. The apparatus includes a toilet seat assembly, and a spraying nozzle assembly. The spraying nozzle assembly includes one or more spray nozzle units having one or more spray nozzle bodies that are retractable and adapted to deliver the solution, a first driving motor being connected to the one or more spray nozzle units and adapted for moving the one or more spray nozzle bodies in retracting-and-extending motion, and a second driving motor being connected to the one or more spray nozzle unit and adapted for moving the one or more spray nozzle units in three-dimensional circular rotational motion. The one or more spray nozzle units may further include one or more nozzle jet head openings.

Abstract: Disclosed is a bidet valve device, which sprays nozzle-washing water so as to automatically wash a nozzle before performing anal cleansing or feminine cleansing, when a lever is operated for anal cleansing or feminine cleansing, and automatically washes the nozzle even after anal cleansing or feminine cleansing so as to hygienically manage the nozzle and provide cleanliness to a user.

Abstract: Provided is a sanitary cleansing device configured so that user's defecation can be promoted with a comfortable feeling by spraying of cleansing water. The present invention provides a sanitary cleansing device (1) including a nozzle assembly (6) provided with a spray port, a nozzle drive device (12), an operation device (10) operated by a user, and a spray control device (20) configured to actuate the nozzle drive device to execute a massage cleansing mode. The massage cleansing mode is a cleansing mode for repeating a predetermined massage cleansing cycle including a turning movement pattern for turning a water splash point of the cleansing water sprayed from the spray port at the periphery of a private area position of a seated human body and a front-to-back movement pattern for moving the water splash point through the private area position in a substantially front-to-back direction of the human body.

Abstract: Provided is a sanitary cleansing device configured to less provide a feeling of insecurity to a user when a cleansing mode for moving a water splash point in at least two directions is used. The present invention provides a sanitary cleansing device (1) including a nozzle assembly (6) provided with a spray port, a nozzle drive device (12), an operation device (10) operated by a user to switch a cleansing mode, and a spray control device (20) configured to switchably execute, a fixed spot cleansing mode in which the spray port is stopped at a predetermined reference private area position and a wide movement cleansing mode for moving a water splash point in at least two directions. When the wide movement cleansing mode begins, the spray port is positioned at the reference private area position, and then, starts movement of the water splash point.

Abstract: Portable, self-contained bidet seat (10) to be placed on toilet or other waste disposal means. Bidet seat (10) holds washing liquid (100) in hollow central chamber (23). Pressure means (40) is activated by user to pressurize washing liquid (100) and air (101) in chamber (23). Pressurized liquid (100) is sprayed or jetted onto user to replace use of toilet paper. Bidet seat (10) is adapted for use by persons with limited strength or agility.

Abstract: A hand-held shower holding device, including a hand-held shower holder (21), in which a hand-held shower (5) can be deposited. The hand-held shower holding device according to the invention is characterized in that the hand-held shower holding device has a switching element (1) having an actuating arm (18) intended for actuating the switching element (1), which actuating arm bears the hand-held shower holder (21) at a first end (19) of the arm and can be pivoted under the load of a hand-held shower (5) deposited in the hand-held shower holder (21) from a first actuation position into a second actuation position.

Abstract: The system may use a touch free device to identify a user. The system allows the user to operate a smart toilet's devices with the passive input of their presence, in the toilet area. The user may be identified using, facial recognition, eye recognition, or proximity card devices. The computer associates the identified user with the user's pre stored identity and preprogrammed user profile. The user's profile may contain the user's desired smart toilet device settings. Toilet devices settings and sequence of operation may include a bidet's water temperature, a toilet seat position, an internet connection to the computer, etc. Operating the toilet touch freely, reduces the user's physical contact with the toilet control panel and toilet seat. This may reduce the transference of bacteria from the toilet to the user. This may reduce the possibly of illness caused by bacteria. Other embodiments are described and shown.

Abstract: There are provided a flow path control device of a toilet bidet having a simpler connection structure of tubes and smaller number of connection parts of the tubes, and a toilet bidet including the flow path control device.

Abstract: An electronic bidet system that uses one or more internal cameras to capture one or more images or video of a user as he or she sits on the bidet prior to use. The images or video are analyzed using object recognition technology to identify and segment/bound the types, sizes, shapes, and positions of the lower body orifices, and conditions (e.g. hemorrhoids), in the user's genital and rectal areas. Based on these analyzed images or video, the system automatically adjusts the bidet settings for the specific conditions (e.g. hemorrhoids) and types of orifices, locations of orifices, sizes of orifices, shapes of orifices, gender, body type, and weight of the user.

Abstract: A medicine-bath treatment device includes a central basin having a seat thereabout, at least one fumigation opening and at least one air opening, an inner vessel for holding liquid in fluid communication with the at least one fumigation opening of the basin to provide fumigation steam to the basin from the inner vessel, a spray tube having an inlet in communication with the inner vessel and an outlet in the basin to provide a jet of heated liquid within the basin, and a fan having an outlet in communication with the at least one air opening to provide a stream of heated drying air within the basin. The device also include a heater, a temperature sensor for measuring ambient air temperature, and a controller operably connected to the pump, the fan, and the heater.

Abstract: An apparatus is disclosed including: a brush member including a brush member input in fluid communication with plurality of hollow bristles; and an expandable member. In some embodiments, the expandable member includes an expandable member input configured to receive a pulsating fluid flow from a fluid supply source; and a conduit having that defines a fluid flow path from the expandable member input through the conduit to the brush member input. In some embodiments the expandable member is configured to expand and contract in response to the pulsating fluid flow to cause a reciprocating motion of the brush member.

Abstract: A hygienic washing system for use with a washroom fixture having a hose and nozzle assembly. The a hose and nozzle assembly includes a hose comprising flexible-plastic tube having; a proximal end; and a distal end; a nozzle comprising rigid-plastic having a first end and a second end comprising a hooked-end; a controller for controlling flow of water through the hose and nozzle assembly; and attachers comprising at least one suction cup. The controller comprises adjustable wheeled buttons comprising a volume-control button, a temperature-control button, and an on/off actuation button. The on/off actuation button is manipulatable between an on condition and an off condition, the on condition permitting the flow of the water, the off condition not permitting the flow of the water. The device is useful for hygienically cleaning individuals after latrine use.

Abstract: There are provided a valve control system, a bidet using the same, and a valve control method. The valve control system includes a latch valve controlling a stream of water in a pipe; a flow rate sensor measuring a flow rate in the pipe; and a valve control device controlling the operation of the latch valve. The valve control device determines whether or not the latch valve is malfunctioning upon analyzing a flow rate measured by the flow rate sensor. When the latch valve is malfunctioning, the valve control device controls the latch valve to re-operate.

Abstract: The invention relates to a shower arm for a shower WC or a bidet comprising a spherical swirl chamber for generating swirl in the shower jet and a corresponding shower device and a corresponding shower WC.

Abstract: A water discharge device generates a large air bubble having a cross sectional area larger than a channel sectional area of a jetting port when the inside of a water storage chamber is viewed from the jetting port. The water discharge device intermittently forms the large air bubble to change a flow speed of a jet flow.

Abstract: A touch free toilet control panel display which may be used, for activating various components of a smart toilet. The user may touch freely use a touch free input device, for choosing from a displayed menu of toilet functions. Various input devices may used to activate the displayed toilet devices, such as, a floating capacitive field (404) to detect a user's fingers hovering above the displayed menu options (406), body movement recognition used to control the movement of a displayed cursor, an eye tracking system (604), that uses the user's gaze point (610), tongue recognition, etc. Touch free activation of the menu functions, reduces the transmission of bacteria from the menu panel to the user, and may also ease the use of the toilet devices. The display menu may show toilet devices, such as, a bidet, bidet water temperature, internet connection, etc. Other embodiments are described and shown.

Abstract: The system may use a touch free device to identify a user. The system allows the user to operate a smart toilet's devices with the passive input of their presence, in the toilet area. The user may be identified using, facial recognition, eye recognition, or proximity card devices. The computer associates the identified user with the user's pre stored identity and preprogrammed user profile. The user's profile may contain the user's desired smart toilet device settings. Toilet devices settings and sequence of operation may include a bidet's water temperature, a toilet seat position, an internet connection to the computer, etc. Operating the toilet touch freely, reduces the user's physical contact with the toilet control panel and toilet seat. This may reduce the transference of bacteria from the toilet to the user. This may reduce the possibly of illness caused by bacteria. Other embodiments are described and shown.

Abstract: A water discharge device generates a large air bubble having a cross sectional area larger than a channel sectional area of a jetting port when the inside of a water storage chamber is viewed from the jetting port. The water discharge device intermittently forms the large air bubble to change a flow speed of a jet flow.

Abstract: An apparatus and method for creating a realistic granite or other pattern on a substrate, such as a sink, bath, or piece of furniture. The apparatus and method may use gelcoat to create a regular or irregular pattern. The apparatus may use pressurized air or gear pumps to pump paint from tanks to a spraying device.

Abstract: According to an aspect of the invention, a sanitary washing apparatus, characterized by: a nozzle being configured to wash a body of a user by squirting water from a water discharge port; a flow channel configured to guide water supplied from a water supply source toward the water discharge port; an electrolytic cell provided at an intermediate portion of the flow channel, the electrolytic cell being capable of producing sterilizing water; and a nozzle wash unit configured to wash or sterilize the nozzle with the sterilizing water produced by the electrolytic cell, a contraction portion being formed downstream from the electrolytic cell, a flow channel cross-sectional area being smaller at the contraction portion than upstream from the electrolytic cell, a strainer being disposed in the flow channel further downstream from the contraction portion. Clogging of the flow channel due to scale can be suppressed.

Abstract: An ergonomically designed hygienic sprayer or bidet apparatus for use with pre-existing fixtures. The sprayer includes an angled portion with a sprayer head disposed on an underside of the angled portion, resulting in a flow of water from the sprayer head that is substantially between 30° and 60° relative to a longitudinal axis of a body portion of the sprayer. The sprayer also includes an actuator located on the same side of the sprayer as the sprayer head and slip-resistance surfaces. An optional mounting base for securely holding a hygienic sprayer in a manner that may disguise its presence or be more aesthetically pleasing. The mounting base is substantially the same size as the hygienic sprayer. The mounting base may be mounted or secured to multiple types of surfaces near the fixture with which the hygienic sprayer is used.

Abstract: There is provided a method for controlling a self-generating bidet that can perform power-generation and charging by introduced water and can be stably used. The method for controlling a self-generating bidet comprising a generator, a charging unit, a nozzle part, and a nozzle passage part that is provided between the generator and the nozzle part, the method for controlling the self-generating bidet comprising: a step of sensing the use of the bidet that senses whether the user wishes to use the bidet; and, if it is determined that the user wishes to use the bidet, a step of checking voltage that determines whether the voltage charged in the charging unit is lower than a predetermined reference voltage, and if so, performs power generation through the generator, and charges the charging unit.

Abstract: A sanitary washing device includes: a water discharge nozzle configured to squirt water from a water discharge port; a first channel configured to guide water supplied from a water supply source to the water discharge nozzle; a first channel opening/closing valve provided in the first channel and configured to control passage of water through the first channel; a heat exchange unit provided in the first channel between the first channel opening/closing valve and the water discharge nozzle and configured to heat water passed therethrough; and a draining device configured to drain water in the heat exchange unit toward the water supply source.