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Best Boiler Druckfest - Holiday Sale

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Last Updated - 18.12.2025

Best Choice

01

thermomate

ThermoMate ES10DE Pressure-resistant Small Water Tank, Under-Sink Boiler 10 Litre Base Cabinet, 2000 W, with Plug 230 V, for Sink, Kitchen and Bathroom

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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

Space-saving: compact appearance specially designed for sinks, used in most homes, ideal water heater for kitchens and bathrooms, sinks, sinks
Save time and energy: with high-performance insulation system, it can maintain the water temperature for a long time, saving time and energy. Enamelled inner lining, effectively reduce tank corrosion and maintenance, avoid limescale deposits. Magnesium anode rod, maintains high heat output for a long time
Safety protection: ThermoMate storage water heater with overheating and dry fire protection, A class ErP rating, and also provides a safety valve to protect the water heater from overpressure. Let you enjoy hot water safely and safely.
Instant hot water: 10 L water heater provides instant hot water, heats up super quickly, temperature range 30°C - 75°C, E energy saving cycle
Easy installation: can be mounted on the wall or floor under the sink/worktop/cabinet, G1/2 inch inlet and outlet, plug into a standard 230 V socket. Easy to install with the included wall plate, safety valve and cable connector.
Durable: stainless steel heating element, better corrosion resistance, heating performance up to 98% to ensure the durability of the product

135,99 €
02

G2 Energy Systems

Hot Water Tank Boiler Small Electric Pressure Resistant Undersink 5 L

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9.5

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

Power: 1500 watts, pressure-resistant up to 7 bar, connection: 1/2 inch
Includes Safety valve - mounting as a wall-mounted or standing device
Energy efficiency class (EEK from A-G): B
Dimensions (height x width x depth): 353 x 227 x 234 mm
5 litre electric pressure-resistant hot water tank under table

132,00 €
03

Thermoflow

Thermoflow DS 5U Under-Sink Storage / Low Pressure Storage / Hot Water Boiler 5 L Storage Volume / G 1/2 Inch Connection / 30-65 °C / Suitable for Low Pressure Fittings / with Metal Tank / Energy

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9.3

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 dimension of 32.8 (H) x 23.4 (W) x 22.7 (D) cm, the 5 litre small storage tank can be installed to save space. Suitable for low pressure fittings. The metal tank also allows for pressure-resistant installation.
Hot water storage: the ready-to-plug electric hot water tank has a storage volume of 5 litres and can be mounted as a hot water undersink device. The integrated metal tank ensures high durability and stability.
Energy-saving: thanks to the energy-saving mode and energy efficiency class B, the Thermoflow DS 5U under-sink boiler allows efficient water heating with an annual power consumption of 563.4 kWh
Box contents: the Thermoflow DS 5U boiler comes ready to plug in with instruction manual. Before starting up the small tank, the device must be filled with cold water.
Areas of use: with a heating time of 14 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 sink. Suitable for low pressure fittings - ideal for single dispensing points.

93,36 €
Value for Money

04

DCSYOG

6L Small Pressure-resistant Hot Water Tank, 1500 W, Under-Sink Storage, Electric Boiler Storage Tank, 0-65 °C Temperature Adjustable, Small Boiler for Kitchen Sink, Bathroom + Sink

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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

SAFE AND HEALTHY TO USE The 304 stainless steel is pressure resistant, durable and can ensure the health of your water. In addition, the product is equipped with a safety valve to ensure the safety of the product and you during use.
High-quality materials: made of ABS, 304 stainless steel and 316 stainless steel, the product is sturdy, durable and highly resistant to corrosion, rust, high temperature and deformation.
Efficient heating: with a high power of 1500 W and heating pipes made of 316 stainless steel, the product ensures fast heating to avoid long waiting times.
Compact size: compared to conventional water heaters, this product has a compact size (12.99 x 9 x 9.45 inches), which can be installed under the sink with a small base area and saves you more space.
Adjustable temperature: the product has an LED display and a temperature control that allows you to easily adjust the temperature of the insert (32-149℉) to meet your daily washing needs such as brushing teeth and washing dishes/vegetables/fruits/clothes/face/hands.

65,99 €
05

MINRS

MINRS Hot Water Tank, 8 L, Under-Sink Boiler, 1500 W, Small Pressure-resistant Hot Water Tank with Thermostop Function, Under-Sink Boiler, 0-65 °C, Adjustable Temperature, for Kitchen, Bathroom

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8.9

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

Large capacity: the capacity of 8 L is large enough to rinse several tableware sets at once and meet the heat requirements of your family's daily life.
High safety: Four protection functions such as anti-high voltage, anti-temperature, anti-dry fire and anti-leakage as well as the protection class IPX4 can effectively prevent accidents during use and ensure your safety.
High efficiency: with a strong power of 1500 W and the fast-conducting heating tube made of 316 stainless steel, it can heat the water quickly and efficiently and avoid long waiting times. So you can enjoy hot water at any time.
Energy-saving and heat preservation: This hot water boiler has polyurethane foam insulation, combined with an inner lining made of 304 stainless steel, which has an excellent heat protection effect and can save unnecessary power consumption. In addition, the heating pipe is near the outlet, avoiding the waste caused by the long pipeline of the electric water heater.
Easy to use: the digital temperature display is convenient for you to monitor the temperature (℃), and you can freely adjust the temperature between 0-65°C by adjusting the button, which is convenient for the elderly and children.

47,99 €
06

eldom

Eldom 72326NMP, 2000 W, 230 V

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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

Steel container and high-performance enamel, corrosion protection (anode protection)
Pressure-resistant - combination check valve incl.
Dimensions (H x W x D): 520 x 285 x 288 mm, cable with plug
Cold and hot water connection 1/2 inch
2000 W - heating time from 12 to 65 degrees in 27 minutes.

128,00 €
07

ELDOM

Eldom Hot Water Tank/Boiler 10 L Undersink Pressure Resistant White

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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.

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Main highlights

Steel container and high-performance enamel, corrosion protection (anode protection)
Pressure-resistant - combination check valve incl.
Made in the EU
Ideal in the kitchen cupboard
Dimensions (H x W x D): 430 x 285 x 288 mm, cable with plug
Cold and hot water connection 1/2 inch
2000 W - heating time from 12 to 65 degrees in 19 minutes.

120,00 €
08

Xigner

8L Under-Sink Boiler - Pressure-resistant Hot Water Tank, 1500 W Under-Sink Device with LED Display, Adjustable Temperature from 0-65 °C, for Sink, Kitchen and Bathroom, White, 220-240 V EU Plug

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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.

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Main highlights

【Large Capacity】: With a capacity of 8 litres, the boiler is large enough to rinse multiple tableware sets at once and meet the heat needs of your family's daily life. This makes it ideal for families with high hot water consumption.
【High Safety】: The electric water heater offers four essential protection functions: anti-high voltage, anti-temperature, anti-dry fire and anti-leakage. With the IPX4 protection class, accidents are effectively prevented during use and ensure your safety, which is especially important in households with children.
【Energy-saving & Heat Preservation】: This hot water boiler is equipped with polyurethane foam insulation, combined with an inner lining made of 304 stainless steel, which provides excellent heat protection effect. This helps to save unnecessary power consumption and ensures a constant temperature so you have hot water available at all times.
High efficiency: the small under-sink boiler with a power of 1500 W and a fast conductive heating tube made of 316 stainless steel heats the water quickly and efficiently. This avoids long waiting times and can enjoy hot water at any time, which is particularly beneficial for households with high hot water requirements.
Easy to use: the digital temperature display of the hot water boiler allows you to conveniently monitor the temperature (℃) and set between 0-65°C, which is easy and safe especially for the elderly and children. This function guarantees user-friendly operation and increases comfort in everyday life.

42,99 €
09

MagicSAN

Small Electric Water Tank, 5 Litres, Undersink Boiler, Pressure-resistant Electric Boiler, Hot Water Tank

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8.2

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

- Enamelled steel container.
- Temperature setting via control dial.
- Integrated magnesium protective anode.
- Pressure-resistant design (no special fitting required).
- W/H/D: 227/353/234 mm

95,50 €
10

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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8.1

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 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 €