Abstract: A system and method for configuring a water heater. The method includes capturing, with a mobile device a scannable feature of a rating plate, establishing a network connection between the mobile device and a server, transmitting information captured from the scannable feature by the mobile device to the server over the network connection, receiving from the server to the mobile device a plurality of water heater configurations in response to the information, receiving, with the mobile device, an input indicative of a configuration selection selected from the plurality of water heater configurations, and transmitting configuration information from the mobile device to the water heater to configure the water heater based on the configuration selection.

Abstract: A diffuser is provided for use in a thermal storage tank. The diffuser includes a fluid inlet to receive a flow of liquid into the diffuser, and a fluid outlet to discharge the flow of liquid out of the diffuser into an internal volume of the thermal storage tank. A flow circuit extends between the fluid inlet and the fluid outlet. A plurality of flow sections are sequentially arranged along the flow circuit. Each one of the plurality of flow sections defines a cross-sectional flow area for the flow of liquid. The cross-sectional flow area within any one of the plurality of flow sections is greater than the cross-sectional flow area within any of the plurality of flow sections arranged upstream of said one of the plurality of flow sections.

Abstract: Methods and systems for water heater system receiving electrical power from an electrical grid. The system includes an electronic processor configured to monitor an average water temperature of the water within a water tank of the system based on a first and second signal from an upper and lower temperature sensor, operate an upper heating element heating an upper portion of the tank and a lower heating element heating a lower portion of the tank in a first operation mode, receiving, via a transceiver, either an add load command or a shed load command from a grid controller, operating the upper heating element and lower heating element in a second mode in response to receiving the add load command, and operating the upper heating element and lower heating element in a third mode in response to receiving the shed load command.

Abstract: A tank-type water heater includes a storage tank and a heating circuit outside of the tank. The heating circuit includes at least one heat engine and at least one pump for circulating water from the bottom of the tank through the heat engine and back to the top of the tank. A stratifier introduces the heated water from the heating circuit into the top of the tank in a diffuse manner to promote stratification of hot water in the tank.

Abstract: The invention discloses a water heater system and a control method thereof. The water heater system comprises a heating unit capable of heating water; a tank capable of communicating with the heating unit, the tank provided with at least one inlet and outlet, the inlet being capable of supplying at least one of gas and water into the tank; a pressurizing source capable of pressurizing the tank, the pressurizing source being capable of providing a pressure at which the gas and water in the tank are mixed. The invention provides a water heater system which can be applied to any existing water heater, including an electric water heater, a gas water heater, a solar water heater, an air energy water heater, and the like, which is capable of generating microbubble water for use by a user, the microbubble water has strong cleaning performance, thereby greatly improving the user experience.

Abstract: Methods and systems for determining a possible leak within a gas water heater. One system is a gas water heater including a blower and an electronic processor. The electronic processor is configured to activate the blower for a predetermined amount of time, receive, during the predetermined amount of time, a measurement of a characteristic of the blower, perform a comparison between the measurement and a predetermined characteristic threshold, and determine, based on the comparison, that a blockage is present within the water heater. The electronic processor is further configured to output a notification in response to determining the blockage is present.

Abstract: A water purification system includes a tank which stores permeate during periods of standby during which impurities can migrate across a filtration membrane, resulting in impure water on the downstream side of the membrane. During an initial portion of a water draw immediately following a period of standby, the impure water on the downstream side of the membrane is used as a motive fluid to force the permeate out of the tank for delivery to the faucet. Permeate is provided on a continuous bases directly from the membrane to the faucet after the tank is depleted of permeate. The system includes a control system and a plurality of valves to recycle the impure water used as a motive fluid to the membrane to produce permeate. At the conclusion of a water draw, the tank is filled with permeate and the system enters a period of standby until the next water draw.

Abstract: A point-of-use water filtration system having an idle mode and a filtration mode, the water filtration system including a feed water inlet, a pump in fluid communication with the feed water inlet via a feed water line, and a semi-permeable membrane having an upstream side and a downstream side. A first portion of the upstream side is in fluid communication with a membrane inlet and a second portion of the upstream side is in fluid communication with the concentrate outlet, and the downstream side is in fluid communication with a permeate outlet.

Abstract: A method of constructing a water heater includes the steps of providing a tank having a metal interior tank wall and a heat exchanger positioned within the tank, coating the interior tank wall and the heat exchanger with a first layer comprising glass enamel, and coating a portion of the first layer with a second layer comprising an organic polymer to protect the portion of the first layer from exposure to water in the tank.

Abstract: A water heating system including a tank, a first heating element, a second heating element, a first temperature sensor, a second temperature sensor, a controller having an electronic processor and a memory. The controller is configured to determine an output temperature setpoint, determine whether a period of expected high water demand is approaching, and in response to determining that the period of expected high water demand is approaching, activate the second heating element. The controller is further configured to deactivate the second heating element when a second temperature sensed by the second temperature sensor crosses a second temperature threshold, activate the first heating element when the second temperature crosses the second temperature threshold, and deactivate the first heating element. Wherein the first temperature threshold is lower than the second temperature threshold and the first and second temperature thresholds are higher than the output temperature setpoint.

Abstract: A UV reactor for treating water, the reactor includes a UV source, a tube positioned around the UV source, a surrounding structure coaxially surrounding the tube, a flow path positioned between the tube and the surrounding structure for the flow of water to be treated, and a diffusive surface positioned around the surrounding structure to reflect UV light from the UV source back into the flow path.

Abstract: A method of operating a water heater receiving electrical power from an electrical grid. The method includes providing a water heater in a locked state. A digital key module may be communicatively coupled (for example, via wired or wireless communication) to the water heater and used to unlock the water heater placing the water heater into an unlocked state. Such unlocking of the water heater must only be done for such water heaters that are enrolled in a utility demand response program.

Abstract: The present invention discloses a water purifier and a water production method thereof, relating to the technical field of water processing, the water purifier comprising: a reverse osmosis membrane device comprising a raw water port, a purified water port and a waste water port; a water storage device which is provided therein with a first chamber of which a volume can be adjusted, the first chamber being communicated with the raw water port and the purified water port, respectively; in the cleaning mode, the first chamber is disconnected from the purified water port, the first chamber is communicated with the raw water port, and the purified water flows into the first chamber from the raw water port of the reverse osmosis membrane device and is discharged from the waste water port of the reverse osmosis membrane device; in the water production mode, and the first chamber is communicated with the purified water port, the first chamber is disconnected from the raw water port.

Abstract: A system and method for treating water containing at least one contaminant. The system and method include a water treatment module such as a reverse osmosis unit. An electrochemical contaminant detection system is positioned in the waste water stream of the water treatment module. The contaminant detection system includes a contaminant sensor and a water quality sensor module. The contaminant sensor measures the concentration of the contaminant in the waste water stream and the water quality sensor module measures one or more water quality parameters of the waste water stream. A processor uses an algorithm to determine the concentration of the contaminant in the feed water based on the measurements of the contaminant sensor and water quality sensor module.

Abstract: The present invention discloses a burner, a gas water heater and a processing method of fire row, wherein the burner comprising: a plurality of fire rows; an air channel is formed between at least two fire rows; the fire row has a burning substrate; the burning substrate is provided with main burning holes; the burning substrate is further provided with auxiliary burning holes downstream of the main burning holes; at least one the auxiliary burning hole is disposed on at least one side of the main burning hole in a length direction of the burning substrate; flame of the auxiliary burning hole intersect with flame of the main burning hole; and a frame for mounting the fire rows. The burner, the gas water heater and the processing method of the fire rows disclosed in the present invention can help to decrease flame height, facilitate manufacturing and reduce costs.

Abstract: A multi-cavity gas-air mixing device includes at least two mixing cavities each having an air inlet and a mixture outlet communicated with a combustor, wherein each of the mixing cavities has a built-in gas pipeline, each of the gas pipelines is provided with a gas jet, and the orientation of the gas jet is intersected with a flow direction of air entering into the mixing cavities. The device effectively segments the gas-air mixer and achieves a large load regulation ratio, without producing condensate water at any load segment, thereby improving the system reliability and service life. The built-in gas pipeline not only actively controls the fuel in the open-close control pipeline, but also reduces the volume of the mixer and largely decreases the cost.

Abstract: The present disclosure discloses a gas water heating apparatus comprising: a shell; a burner, a heat exchanger, and a fan which are disposed in sequence within the shell, wherein a combustion region is formed between the burner and the heat exchanger that are spaced from each other by a first preset distance; a first enclosing frame that encloses the combustion region, an air inlet portion being disposed on a side wall of the first enclosing frame; a heat insulating plate which is disposed within the first enclosing frame and is spaced from an inner surface of the side wall of the first enclosing frame by a second preset distance, wherein when the fan is in operation, air outside the first enclosing frame can flow into a region between the first enclosing frame and the heat insulating plate through the air inlet portion. The present disclosure provides a gas water heating apparatus having an optimized temperature reducing structure and capable of achieving a significant temperature reduction effect.

Abstract: A water heater system includes a primary heat exchanger including a tank and at least one flue, and a secondary heat exchanger including a core and a flue gas flow path. The water heater is operable in a heating mode in which a combustor produces hot flue gas and a water pump flows water through the core of the secondary heat exchanger and into the tank, and in a non-heating mode in which the combustor and the water pump are inoperative. The flue gas flows from the combustor through the at least one flue to heat the water in the tank and then through the flue gas flow path to heat water in the core before being exhausted.

Abstract: A water heater including a tank, first and second heating elements, first and second temperature sensors, a communication module, and a controller. The controller is operable to determine a first temperature value related to a first temperature sensed by the first temperature sensor, determine a second temperature value related to a second temperature sensed by the second temperature sensor, and receive a command from the external controller. When the received command is a first command, the controller control current to the first heating element based on the first temperature value traversing a first set point, and controls current to the second heating element based on the second temperature value traversing a second set point. When the received command is a second command, the controller controls current only to the first heating element and not the second heating element, the control being based on the first temperature value.

Abstract: The present application relates to a constant pressure switch apparatus and a water heating system.