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Best Wasserboiler 5l - Holiday Sale

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Last Updated - 18.12.2025

Best Choice

01

Vaillant

Vaillant 005122 Hot Water VEK 5L 2.4 KW / 230 V with Summton, White/Light Grey

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9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With buzzing tone – the buzzing tone is practical when the boiling temperature is reached and the interval steam cooking: the water heater turns on again when the water cools down
This appliance is intended for the preparation of hot drinks and/or food only
Practical helper – the hot water device brings up to 5 litres of water to any temperature between 30 and 100 °C in no time: so a separate kettle is unnecessary
High safety – the electric hot water tank offers high safety thanks to the temperature limiter and switches off as soon as the desired temperature is reached
Box contents: Vaillant VEK 5 L electric boiling water device wall-hung (white/grey), with power cable, low height thanks to integrated fitting, dimensions: 345 cm x 265 cm x 165 cm.
Boiling water – the proven Vaillant VEK 5 L is ideal for anyone who needs not only warm, but also hot or boiling water directly at the tap point

153,86 €
Value for Money

02

Stiebel Eltron

Latest generation: Stiebel Eltron small storage tank SNU 5 Plus, very compact, anti-drop, thermostop function, under-sink boiler 5 litres, low pressure with plug, 2 kW, 204972

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Space-saving miracle: for more space under the kitchen sink
Safety: integrated anti-scald protection; 4-stage temperature limitation
Fitting + installation: low-pressure tap required – use of a pressure tap not allowed; only vertical under sink mounting; ready for plug: 230 V; easy wall mounting thanks to universal mounting strip; easy replacement of previous models
Energy-saving miracle: the most compact of its kind with the lowest power consumption; the energy-saving thermostop function prevents the tap from heating up
Country approval: Germany, Austria, Czech Republic
Comfort features: continuous temperature setting via high-quality rotary selector with tactile detent
Box contents: Stiebel Eltron small storage unit SNU 5 Plus, operating and installation instructions, wall hanging
Areas of use: pressureless boiler for the sink in the bathroom or the sink in the kitchen

153,82 €
03

AEG

AEG Boiler BOI 5 U, Under-Sink Boiler 5 Litres Low Pressure with Plug 230 V for Kitchen Sink and Wax Basin, 2 kW, Made in Germany, 204616

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safety and quality: child lock thanks to adjustable temperature limit/scald protection; tested safety by VDE testing institute, frost protection, made in Germany
Installation: easy installation, with plug (socket and cold water connection sufficient), under-sink mounting
Energy-saving functions: high quality thermal insulation, low standby consumption, energy efficiency class A
Comfortable operation: selectable desired temperature, infinitely adjustable from 35 to 85 °C
Box contents: a AEG small storage, operating and installation instructions (English language not guaranteed), wall hanging
Areas of use: open boiler 5 l under-sink for a water point in the kitchen and bathroom; Warning: use only with low pressure/pressureless tap – recognizable on the 3 connection hoses – hose shower fitting is only to be used with kink protection

69,90 €
04

AEG

AEG Electric Water Heaters with Small Storage Tank, white, 222162

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safe: tested safety by VDE testing institute, frost protection position
Please note: use only with low pressure/pressureless fittings, recognizable on the 3 connection hoses, do not use a hose shower fitting
Made in Germany
High hot water comfort for a water point: immediately hot water in the kitchen and bathroom
Economical and efficient: high-quality thermal insulation, low standby consumption, energy saving setting, energy efficiency class A
Easy temperature selection: stepless from 35-85°C, temperature selection limitation possible to 45/55/65°C
Easy installation: ready to plug, under-sink mounting

74,99 €
05

Thermoflow

Thermoflow top/under-sink storage

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Mounting: the hot water boiler with G 3/8 inch connection can be mounted on a wall. With a dimensions of 42 (H) x 27 (W) x 18 (D) cm, the 5 litre small storage tank can be mounted
Hot water storage: the ready-to-plug electric hot water tank, with automatic frost protection, has a storage volume of 5 litres and can be mounted as a hot water under sink device
Energy-saving: thanks to the energy-saving mode and energy efficiency class A, the Thermoflow UT5 under-sink boiler allows efficient water heating with an annual power consumption of 490 kWh
Box contents: the Thermoflow UT5 low pressure boiler comes ready for plug, including instruction manual (English language not guaranteed). A low-pressure fitting is mandatory for commissioning the small reservoir
Areas of use: with a heating time of 10 minutes. From 10 °C to 65 °C, the 5 litre under-sink unit ensures pleasantly tempered water and is suitable as a boiler in the kitchen or bathroom

44,41 €
06

Thermoflow

Thermoflow top/under-sink storage

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Mounting: the hot water boiler with G 1/2 inch connection can be mounted on a wall. With a dimensions of 42 (H) x 27 (W) x 18 (D) cm, the 5 litre small storage tank can be mounted
Hot water storage: the electric hot water tank, with automatic frost protection, has a storage volume of 5 litres and is suitable as a hot water boiler for overtable installations
Energy-saving: thanks to the energy-saving mode and energy efficiency class A, the Thermoflow OT5 top table boiler allows efficient water heating with an annual power consumption of 490 kWh
Box contents: the Thermoflow OT5 low pressure boiler comes ready for plug, including instruction manual (English language not guaranteed). A low-pressure fitting is mandatory for commissioning the small reservoir
Areas of use: with a heating time of 10 minutes. From 10 °C to 65 °C, the overtable boiler ensures pleasantly tempered water and is suitable as a small boiler in the kitchen or bathroom

50,65 €
07

Vaillant

Vaillant 10021140 Electric Hot Water Tank VEN 5/7-5 U plus

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Scald protection can be activated.
No need to change the wall mounting rail.
Low pressure under-table wall storage.
Frost protection.
Adjustable thermostat from 7°C to 85°C.

89,99 €
08

PattenlLevi

6L 220V Hot Water Boiler Instantaneous Water Heater 30-65°C LED Digital Display Hot Water Tank for Sinks, Kitchens, Bathrooms

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

SAFETY RELIEF VALVE It comes with a pressure relief valve, just like installing an "airbag", which extends its service life and makes it more reassuring to use
Low water pressure start: it is suitable for water pressure of 0.75Mpa and can work stably even under low water pressure without worrying about it
Large capacity: you can wash multiple sets of utensils at the same time because of its 6L capacity
Fast heating and energy saving: this small electric water heater has a powerful 1500 W power, which heats the water quickly and without long waiting times

31,96 €
09

Stiebel Eltron

Newest generation Stiebel Eltron boiler UFP 5 Trend with thermostop function, very compact, under-sink boiler 5 litres low pressure, with plug 230 V, 2 kW, made in Germany, 204966

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Space-saving miracle: for more space under the kitchen sink
Safety: integrated anti-scald protection; 4-stage temperature limitation
Fitting + installation: low-pressure tap required – use of a pressure tap not allowed; only vertical under sink mounting; ready for plug: 230 V; easy wall mounting thanks to universal mounting strip; easy replacement of previous models
Energy-saving: the most compact of its kind with the lowest power consumption; the energy-saving thermostop function prevents unwanted heating of the fitting
Country approval: Germany, Austria, Poland
Comfort features: continuous temperature setting via high-quality rotary selector with tactile detent
Box contents: Stiebel Eltron small storage tank UFP 5 Trend, operating and installation instructions, wall hanging
Areas of use: pressureless boiler for the sink in the bathroom or the sink in the kitchen

102,00 €
10

Vaillant

Vaillant 005121 Hot Water VEK 5S 2 kW, 230 V, Brown/Beige

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

This device is intended for the preparation of hot drinks and/or food.
Practical helper - The hot water heater brings up to 5 litres of water to any temperature between 30 and 100 °C in no time: so a separate kettle is unnecessary.
High safety - The electric hot water tank offers high safety thanks to the temperature limiter and switches off as soon as the desired temperature is reached.
Comfortable automatic cooking – the interval automatic cooking mechanism is particularly practical: the water heater switches on automatically when the water cools.
Box contents: Vaillant VEK 5 S electric boiling water device wall-hung (brown/beige), with power cable, low height thanks to integrated fitting, dimensions: 345 cm x 265 cm x 165 cm.
Boiling water - The proven Vaillant VEK 5 S is ideal for anyone who needs not only warm, but also hot or boiling water directly at the tap.

131,62 €