Top 10 Electric Water Heater

Discover our curated selection of high-quality products.

Last update: 11-02-2026

220V 11.8 KW Electric Tankless Water Heater-11.3KW TNKLSS H20 HEATER

Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.Amperage Draw : 54 A.Special Features: ‎Energy Efficient
Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

9.9/10

Rheem 18kW 240V Tankless Electric Water Heater

External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
Simple installation – bottom 3/4 inch NPT water connections
Threaded for easy replacement, simple installation, digital temperature display

9.8/10

T30I 3KW

Single control for start/stop and temperature selectio
Heats water on demand - ideal for handwashing where only a cold mains water supply is available
Quick and easy to install
Direct replacement to the Triton T30I

9.6/10

Ariston AURES Multi Electric Instantaneous Water Heater 9.5kW, Multi-Point, Compact Size, ELCB System, User-Friendly and A Energy Rated. Manufactured to be Installed in UK – 3195216.

Instant electric water heater designed and produced for installation in the UK. Awarded the Good Design Award in 2019
Multi-Point: Aures Multi can supply multiple outlets with hot water (not simultaneously) upon point of use. New Italian premium design
Total Safety: Its Double Pole Earth Leakage Circuit Breaker (ELCB) prevents electric shocks, integrating with a total safety device system that avoids damage to the product. If a dangerous voltage is detected, the device will interrupt the electrical circuit as a safety measure.
Small Size: Aures Multi saves space, no pre-heat time or water storage space required. Aures Multi is ideal for installations in small, narrow spaces like utility rooms, garages, conservatories, kitchens, and bathrooms.
Quick Comfort: The Aures Multi electric instantaneous water heater delivers hot water within seconds due to its effective heating element which heats water instantly.
Easy to Use: Aures Multi includes a user-friendly frontal dial and LED lights which make the product setup incredibly simple. Because of its flow sensor system, the product works only when a tap is open.
Highly Energy Efficient: The product offers a super efficient performance, lower energy usage and emissions, which give it an 'A' class ErP rating. Its 4-step frontal & intuitive power dial can be set to the level the user wants. Aures Multi is incredibly easy to maintain as all internal components can be accessed through the front.

9.5/10

ThermoMate ELEX5.5 Instantaneous Electric Water Heater with LED Display, 5.5kW Hand Wash Water Heater for Basins Sinks, Over/Under Sink Water Heaters, ‎Hard Wire 220V

【2S INSTANT HEATING & ENDLESS HOT WATER】- Turn on the water tap and endless hot water will come out within 2 seconds on demands when require, hence you will never run out of hot water and only pay for what you really use. Savings of up to 50% on water heating costs.
【EXCLUSIVE ADVANCED FLOW CONTROL & WATER LEAKAGE PREVENTION】- Unique technology is applied to improve water flow and prevent any water from splashing or dripping. You can adjust the flow rate you want to meet your needs in any time. Maximum hot water flow rate: 3L/min
【FLEXIBLE INSTALLATION】- When inverting the installation, the numbers automatically flip over. When the electric washbasin is in operation, the LED displays the current water temperature in real time, so you can easily get hot water at the desired temperature. The temperature range of 35 to 55°C can be selected by touch control.
【EXCEPTIONALLY DURATION】- Built in high quality alloy bare heating element, it is corrosion-resistant and acid-resistant; flowing water prevents limescale from building up, which prolongs its service lifespan.
【TWO INSTALLATION APPLICATIONS OPTIONAL】- Functional for both over sink and under sink installation, display will reverse automatically. Act as primary heater, with water being injected from cold mains directly; Act as booster heater, with hot water being injected from a storage tank. It is free to connect to a mixer tap.Water Inlet and outlet sizes G1/2‘’

9.3/10

Ariston ANDRIS LUX ECO 10 L Undersink Electric Water Heater 2.5kW with A Titanium Enamelled Tank, A Class Erp Rating, Copper Heating Element, Manufactured To Be Installed In UK - 3100718 , White

Water heater designed and manufactured to be installed in UK.
First in Class ErP rating “A” across all models: With its electronic temperature control and its Eco Evo Function, the Andris Lux Eco is an energy efficient electric water heater boasting an “A” ErP energy rating across the whole range.
“Eco Evo” function: Thanks to the ECO EVO function, Andris Lux Eco remembers when and how much hot water you use. In this way the function will not only provide hot water efficiently, buti t will also and above all saving up to 15% on your energy bill.
Anti-legionella function for total peace of mind: Once a month, this mini-tank electric water heater automatically increases the water temperature up to 65°C, in order to eliminate the risk of legionella bacteria developing. Ideal for applications such as hospitals, schools and care homes.
Eco Display: The unit’s smart, user-friendly display is easy to use and provides precise electronic temperature control, allowing the user to set the desired temperature for every need. The button “ECO” indicates when the Eco Evo Mode is activated and the LED indicator provides a visual guide to the water temperature inside the tank. In yhis way, you can have the hot water you need, when you need it, without any effort.
Titanium Enamelled Tank/Enhanced Anti-Corrosion: With its proprietary titanium tank engineering, the Andris Lux Eco boasts exceptional durability and an extended product life. In addition, with its robust 4 bolt flange and copper heating element, this efficient water heater offers improved protection against water corrosion.
Ideal Installations: Medical Environments Laboratories School Facilities
Fully UKCA certified to be installed in the UK Market.

9.2/10

Stiebel Eltron DCE-X Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238159, 220240 V, White, 10/12 kW

Fully electronic compact instantaneous water heater with 4i technology
Maximum energy efficiency and accurate temperature delivery at all times thanks to fully electronic closed-loop control
Easy operation via a large, backlit multifunction display
Particularly energy efficient in ECO mode
High grade design

8.9/10

Electric Instantaneous Tankless Water Heater 5.5kW 220V, Instant Hot Water Heater with Digital Display for Kitchen Bathroom Sink Counter Under/Above Home Indoor (White)

[On-demand, Umlimited Hot Water] Briwellna Non-Thermostatic Tankless Electric Water Heater is ideal for a single sensor faucet or a single metering faucet for handwashing and other fixed-flow applications.
[Compact Size Fits Almost Anywhere] This water heater is designed specifically with replacements in mind. The smaller dimensions (210mm×172mm×73mm)makes it easier to swap out your existing less-efficient water heater.
[Flexible Installation in Any Orientation] The product can be installed at any angle and the display will be automatically adjusted when the product is installed upside down.
[Save Energy and Time] Equipped with the latest integral cast aluminum heating technology, this water heater produces instant hot water without storing water, preheating devices or an attemperator, saving power consumption, water, time and space. It can be shut off by turning off water or power supply
[Multiple Security Protection] Smart protection functions protect the product from leakage, over-temperature, dry heating and over-pressure. We offer one-year warranty.
[Easy Installation] Coming with multi-language user's manual, it's easy to install the faucet without plumbers. Video of installation guadiance is available. It can be installed above or under the sink. Please make sure the water pressure required(0.04-0.8MPa) and your breaker panel to dedicate 25A(5500W) double pole breakers solely to the unit. The water connector size is 1/2". Fits both old style 1/2" hose connector and 3/8" water supply system(with adapters).

8.6/10

Instant Electric Tankless Water Heater 220/240V, FVSTR Small Smart Portable Self-Modulating on Demand?Use Under Sink Kitchen Household Shower, Hot Water for House Shower [Energy Class A] (7.5KW)

【INSTANT HOT WATER HEATER 】- Applied with 7500W/11000W heating system, the electric tankless water heater supplies instant hot water, 3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 55℃/131℉. It is perfect companion for sinks, bringing you perfect experience of comfort and relaxing
【REMOTE CONTROL】 The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The model comes with Remote control, useful for installation under sink.
【SMART SELF ADJUSTMENT】 The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
【SAFE and DURABLE】 Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come..POINT of USE The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste
【Simple Installation】1/2-Inch Water heater connector. In order to install whole house tankless water heater electric 11KW 240V it requires 240 Voltage, 2 x Double-POLE 60AMP, wire gauge 2 x 8AWG, please check to confirm that your breaker panel meet these specifications. 2-year limite warranty and 24/7 customer support services

8.3/10

Mini Instant Water Heater Instant Electric Water Heater 3000W Constant Temperature Electric Tankless Water Heater with Remote Control Digital Display for Home Kitchen Bathroom Indoor 220V (White)

【Timely Hot Water Supply】: 3000W power heating system can quickly get hot water without preheating. The highest temperature reaches 55°C/131°F. It is hot as soon as it is opened, and hot water is supplied 24 hours a day, responding to your water demand at any time, bringing you a perfect experience of comfort and relaxation.
【Easy to operate】: The temperature can be adjusted by remote control and touch. Equipped with digital display and touch control panel, LED screen displays the current temperature in real time. The temperature can also be adjusted through the remote control. The operation is very simple and very convenient.
【360° Free Installation】: The body of the hot water heater is small and does not take up space. It can be installed upside down, lying down, hanging upright, and tilted. It can be used for the installation of wash cabinets in the bathroom, under the sink, beside the washing machine, etc., to meet different needs.
【Safer to use】: Instant electric hot water heater have a variety of safety protection functions, water and electricity isolation, IPX4 waterproof, leakage protection, dry heating protection, over-temperature and inactive state automatic power-off. Use water safely and securely.

8.0/10

Instant Electric Water Heater, 3500W Intelligent Mini Instantaneous Heater Without Tank with Temperature Display for Bathroom Kitchen, UK Plug (White)

Mini Electric Water Heater, 3000W Instant Tankless Hot Water Heater Boiler with LCD Display, Under Sink Basin, Water Heater System for Kitchen Bathroom Washing (Black)

Electric Hot Storage 50L Water Heater Storage, RV TR Endless Trailer Indoor Waterproof Shower Water Heater Compact Point-of-Use, UK Plug

Ariston Andris R, Undersink Electric Water Heater, 3kW, Control Unit, B Class ErP Rating, Economy E Setting, Manufactured to be Installed in UK - 3100832, Black, 10 Litre

Ariston Andris Lux 10L Under-Sink Unvented Electric Water Heater, 2kW 3100306 - Hanicks

Ariston VELIS EVO 80L Electric Water Heater, Twin Tank, Shower Ready, Eco Evo, Durable Water Boiler & Hot Water Dispenser, Ideal Electric Heater for Home & Bathroom Heater, Unvented Kit, UK Install

Ariston PRO1 ECO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Waterplus Technology, Titanshield Technology, Manufactured To Be Installed In UK - 3820020. , White

Instant Electric Water Heater - 6000W, Remote Control, Tankless, Energy Saving with LCD Display for Kitchen & Bathroom

Ariston Andris White 6L Undersink Electric Water Heater 1.5kW 3626292 - Hanicks

Instant Electric Water Heater, 3500W Mini Electric Water Heater, Intelligent Instantaneous Water Heater Heater with Temperature Display for Bathroom Kitchen, UK Plug (White)

Top 10 Electric Water Heater

220V 11.8 KW Electric Tankless Water Heater-11.3KW TNKLSS H20 HEATER

Rheem 18kW 240V Tankless Electric Water Heater

T30I 3KW

Ariston AURES Multi Electric Instantaneous Water Heater 9.5kW, Multi-Point, Compact Size, ELCB System, User-Friendly and A Energy Rated. Manufactured to be Installed in UK – 3195216.

ThermoMate ELEX5.5 Instantaneous Electric Water Heater with LED Display, 5.5kW Hand Wash Water Heater for Basins Sinks, Over/Under Sink Water Heaters, ‎Hard Wire 220V

Ariston ANDRIS LUX ECO 10 L Undersink Electric Water Heater 2.5kW with A Titanium Enamelled Tank, A Class Erp Rating, Copper Heating Element, Manufactured To Be Installed In UK - 3100718 , White

Stiebel Eltron DCE-X Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238159, 220240 V, White, 10/12 kW

Electric Instantaneous Tankless Water Heater 5.5kW 220V, Instant Hot Water Heater with Digital Display for Kitchen Bathroom Sink Counter Under/Above Home Indoor (White)

Instant Electric Tankless Water Heater 220/240V, FVSTR Small Smart Portable Self-Modulating on Demand?Use Under Sink Kitchen Household Shower, Hot Water for House Shower [Energy Class A] (7.5KW)

Mini Instant Water Heater Instant Electric Water Heater 3000W Constant Temperature Electric Tankless Water Heater with Remote Control Digital Display for Home Kitchen Bathroom Indoor 220V (White)

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Instant Electric Water Heater, 3500W Intelligent Mini Instantaneous Heater Without Tank with Temperature Display for Bathroom Kitchen, UK Plug (White)

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Ariston Andris Lux 10L Under-Sink Unvented Electric Water Heater, 2kW 3100306 - Hanicks

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