Best Wasserboiler 30l 2026

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Last Updated - 03.02.2026

Best Choice

01

Thermex

Thermex IF 30 V Comfort Flat 30 Litre Digital Hot Water Tank

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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

Very flat, 263 mm installation depth
The operation is very easy due to four buttons on the LCD display
Power: 1300 or 2000 watts
Package contents: boiler, manual, high performance wall anchor for wall mounting, check valve
Organic glass tanks, 2 anodes.

157,49 €
Value for Money

02

Thermex

Thermex IF 30 Smart Boiler, Intelligent Flat Hot Water Tank, 30 Litres

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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

Very flat
Safety group included
Double tank principle
Dimensions: 587 x 453 x 263 mm
Connected load: 2000 watts 230 volts 10 amp.
30 litre flat "smart" water heater with intelligent technology. Can be used vertically or horizontally

154,49 €
03

VonVVer

VonVVer Hot Water Boiler 30L/50L/60L/70L - Electric Water Heater for Kitchen 2000W Vertical Hot Water Tank 0.7MPa 25-75°C Temperature Adjustable (30L)

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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

Temperature control from 25 - 75 °C: you just need to adjust the temperature (77-167°F/25-75°C) with the dial and select the mode to meet different bathroom needs. The clear control panel with digital temperature screen allows for quick readability, even for the elderly.
Robust and durable: made of high-quality plastic and enamel as well as a porcelain burning process, this 30 L hot water boiler is insulating, strong, solid, abrasion-resistant and dimensionally stable, which ensures a long service life.
Practical shower and helpful tap: with this 30 L hot water tank, you can enjoy a comfortable shower experience without having to buy additional devices. It makes it easier for you to wash mops, floors, etc.
Easy to install: with complete accessories, two mounting rails and the corresponding mounting screws, you can perform the installation yourself.
2000 W high efficiency: with a power of 2000 W and a stainless steel heating tube with fast thermal conductivity, you can get hot water in a short time and avoid long waiting.

99,99 €
04

Quality Heating

High Quality Double Electric Boiler - 1500 Watt Digital Control with Safety Valve - Energy Saving (30L)

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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

This electric boiler is available in a luxury version and belongs to the Extra Life range. Our boiler is a conscious and meaningful choice, as its service life is very long and energy saving is high (energy class A).
The volume of the electric boiler is 30 litres, the power is 1500 watts and the boiler has a simple, mechanical control. The boiler has an insulating foam layer of at least 40 mm and a conductivity coefficient of λ= 0.22. As a result, only less than 0.2°C heat is lost per hour.
Quality Heating 30 Litre Electric Boiler Eye-catching, energy-saving, economical in consumption and reliable
Possible uses of the electric boiler: some examples of situations in which our electric boiler is commonly used: areas without good gas connections, such as apartments, hairdressing salons, riding schools, garages.
Are the 30 litres enough? Often you wonder how much water a 30 litre electric boiler produces. You can imagine the following numbers: a full boiler produces about 79 litres of hot water (37 °C) after mixing hot and cold water. More than enough for 1 person.

149,00 €
05

Thermex

Thermex Vision V 30 L - Electric Hot Water Tank, Vertical Wall Mounting, 1500 W, Energy Class B, Pressureless, Enamelled Boiler with Corrosion Protection, White

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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

Vertical wall mounting - space-saving and easy to install
Pressureless system with safety valve - ideal for open taps
Powerful: 1500W heating element ensures fast water heating
High-quality enamelled tank with corrosion protection - long service life
Compact 30 L hot water tank for bathroom, kitchen or office

126,49 €
06

Charocean

Charocean Electric Hot Water Heater 30 L Hot Water Boiler 2000 W Wall Hanging Electric Storage Heating Output Boiler, Water Boiler, Enamelled Inner Container, LED Screen, 220 V (30 L 2000 W)

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9.1

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

【PROTECTIVE PACKAGING】:We pack this product in foam to minimize damage to the product during shipping.
【Large Capacity】: This product can hold up to 6.6 gallons of water, which ensures an abundant supply of hot water for a comfortable bath.
【Easy to install】: With complete accessories, two brackets and corresponding mounting screws, you can do the installation yourself.
【Durable】: It is mainly made of high-quality plastic and enamel, and is made by a porcelain baking process, making it insulating, strong, solid, wear-resistant and not easy to deform, ensuring a long service life.
High efficiency: the 2000 W power and the stainless steel heating tube with fast thermal conductivity can provide you with hot water in a short time without having to wait for a long time.
Easy to use: you only need to adjust the temperature (25-75°C/77-167°F) with the rotary knob and choose the mode for different bathing needs. The clear control panel with digital temperature display makes the operation easy to understand even for the elderly.

129,99 €
07

DAOHHFO

DAOHHFO Electric Storage Hot Water Tank 220 V, 30 L Wall Storage Tank Water Heater with Leakage Protection, Practical Shower and Temperature Display, 2000 W Electric Boiler Water Boiler (White, 30 L)

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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

Leakage protection: In case of leakage, it can automatically turn off the power to ensure your safety.
Large capacity: this hot water tank can hold up to 30 L/60 L of water, which ensures an ample supply of hot water for a pleasant bath.
High efficiency: the 2000 W power and the stainless steel heating tube with fast heat conductivity can provide you with hot water in a short time without having to wait a long time.
Easy to use: you only need to adjust the temperature (77-167°F) with the rotary knob and choose the mode for different bathing needs. The clear control panel with digital temperature display makes the operation easy to understand even for the elderly.
Easy to install: With complete accessories, two brackets and corresponding mounting screws, you can do the installation yourself.

89,00 €
08

KLARSTEIN

Klarstein Under-Sink Instantaneous Water Heater for Kitchen, Shower & Bathroom, 30 L Electric Water Heater with 1500 W for Wall Mounting, Electric Instantaneous Water Heater Under-Sink Device

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15% Off
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

Powerful and versatile: discover the power of this compact instantaneous water heater. This water heater can be installed in tight spaces such as the bathroom and kitchen and is suitable for both residential and commercial spaces.
Instant hot water: the water instantaneous water heater from Klarstein is electric and highly efficient. This 30 litre instantaneous water heater provides you with endless hot water, no preheating is required and the under-sink device is heated in 3-5 seconds.
Electric but safe: our instantaneous water heater and water boiler are tested and designed to prevent electrical leaks and corrosion of the water pipes. In addition, the boiler has dry fire and overheating protection.
Efficient and economical: this electric under-sink instantaneous water heater is suitable in the kitchen, bathroom, shower and under the sink and ensures a pleasant temperature when you wash your hands, dishes or clothes.
Easy installation: enjoy our electric instantaneous water heater for a particularly hot shower. Our electric instantaneous water heater is quickly installed and compared to other boilers, this under-sink boiler requires little maintenance.

106,24 € 124,99 €(15% Off off)
09

Ariston

Ariston Thermo 3100339 Andris RS 30/3 ERP - electric hot water tank, color: white

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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

Water storage can be used as pressure-proof (closed) or pressure-free (open)
Sanitary equipment
Energy class - C
Electrical and thermal

141,86 €
10

Thermoflow

Thermoflow DS30 Hot Water Tank, 30 Litres, Pressure-Resistant, Ready to Plug, Water Heater up to 75 °C, G 1/2 Inch Connection, Water Heater for Kitchen, Washbasin, Shower or Bathtub

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8.7

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

THERMOFLOW: With 230 V and 2 kW power, the DS30-15 water heater ensures hot water between 30 and 75 °C. The hot water tank is pressure-resistant and has a storage volume of maximum 30 litres
Practical: the electric water heater has a short heating time from 10°C to 65°C in 61 minutes with an annual power consumption of 577 kWh. The DS30 has G 1/2" connections
Dimensions: the water heater has the dimensions (H) 605 x (diameter) 340 mm with a weight of 14.8 kg and has a cable length of 150 cm. The distance to the pipe or wall should be 77.5 mm
Box contents: the DS30-15 water heater from Thermoflow is delivered without KV40 safety group. Before commissioning, the under-sink device must be filled with cold water
Areas of use: the 30 litre hot water tank is ready to plug and therefore quickly ready for use. Suitable for multiple removal points in your home such as kitchen, washbasin, shower and bathtub

131,33 €