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10 bestInstant Hot Water Heaterof December 2025

112M consumers helped this year.

1

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
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

Stiebel Eltron

10.0

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14% off

2

Ariston VELIS EVO Wi-Fi 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Twin Tank Technology, Aqua Ariston Net App- 3626308.
Ariston VELIS EVO Wi-Fi 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Twin Tank Technology, Aqua Ariston Net App- 3626308.

Ariston

10.0

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26% off

3

Ariston VELIS EVO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, Twin Tank Technology, Shower Ready, Eco Evo Function, Extreme Durability. Manufactured to be installed in UK – 3626306
Ariston VELIS EVO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, Twin Tank Technology, Shower Ready, Eco Evo Function, Extreme Durability. Manufactured to be installed in UK – 3626306

Ariston

9.9

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4

Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021.
Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021.

Ariston

9.7

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5

Briwellna Streamline Electric Water Heater 5.5KW, Undersink Tankless Water Heater Point-of use with Digital Display, Above/Under Counter On-Demand Hot Water Heater 220V (White)
Briwellna Streamline Electric Water Heater 5.5KW, Undersink Tankless Water Heater Point-of use with Digital Display, Above/Under Counter On-Demand Hot Water Heater 220V (White)

Briwellna

9.5

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Related productsUp to 21% off

KLARSTEIN Electric Water Heater, 50L Under Sink Water Heater for Bath and Shower, 1500W Wall Mounted Instant Hot Water Heater, Campervan Tankless Water Heater Electric for Hand Wash & Kitchen Sink

KLARSTEIN Electric Water Heater, 50L Under Sink Water Heater for Bath and Shower, 1500W Wall Mounted Instant Hot Water Heater, Campervan Tankless Water Heater Electric for Hand Wash & Kitchen Sink

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Thermomate AZ132 5L Portable Gas Water Heater, Tankless Water Heater with Folding Handle, Instant Gas Boiler Use for Outdoor Showers, Camping, Horses, RV Trip [Energy Class A]

Thermomate AZ132 5L Portable Gas Water Heater, Tankless Water Heater with Folding Handle, Instant Gas Boiler Use for Outdoor Showers, Camping, Horses, RV Trip [Energy Class A]

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Hot Water Tap Instant Water Faucet,220V Tankless Electric Heater BathroomTaps, 120 Degree Rotate Cold and Hot Water Tap with Digital Display (White)

Hot Water Tap Instant Water Faucet,220V Tankless Electric Heater BathroomTaps, 120 Degree Rotate Cold and Hot Water Tap with Digital Display (White)

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Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower

Hot Water Heater 6KW, 220V Domestic Kitchen & Bathroom Instant Water Heater, Stainless Steel Tankless Water Heater for Kitchen Bathroom Shower

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6

CAMPLUX 5L Gas Water Heater with 4.3L Water Pump, Freestanding Tankless Water Heater, AY132Max Instant LPG Water Boiler with Carrying Bag, for Camping/Outdoor Showers
CAMPLUX 5L Gas Water Heater with 4.3L Water Pump, Freestanding Tankless Water Heater, AY132Max Instant LPG Water Boiler with Carrying Bag, for Camping/Outdoor Showers

CAMPLUX

9.2

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7

Triton Showers SPT303I T30I handwash Water Heater, White
Triton Showers SPT303I T30I handwash Water Heater, White

Triton Showers

9.0

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15% off

8

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
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

Ariston

8.7

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9

Thermomate ELEX5.5 Instant Electric Water Heater with Backlit LED Display, 5.5kW Tankless Hand Wash for Basins Sinks, Over/Under Sink Installation, ‎Hard Wire
Thermomate ELEX5.5 Instant Electric Water Heater with Backlit LED Display, 5.5kW Tankless Hand Wash for Basins Sinks, Over/Under Sink Installation, ‎Hard Wire

thermomate

8.4

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10

Upgrade Tankless Water Heater Electric 9KW 240V, On Demand Instant Endless Hot Water Heater with Self Modulates to Save Energy Use (Pink)
Upgrade Tankless Water Heater Electric 9KW 240V, On Demand Instant Endless Hot Water Heater with Self Modulates to Save Energy Use (Pink)

GEESEN

8.1

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