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Best Boiler 40 Liter - Holiday Sale

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Last Updated - 18.12.2025

Best Choice

01

G2 Energy Systems

Tesy GCR E31 ECW Electric Boiler Hot Water Tank with App Control Housing Depth Only 28 cm

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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

User-friendly electronic control panel (LCD display), different heating time programmings possible (weekly program mode). Boost quick heating function, quick first shower function, heating in 40 minutes, ECO smart functions, reduces electricity costs
Heating output 2200 kW - energy efficiency class B - including safety valve and wall mount (directly on the device), magnesium protective anode already pre-assembled, temperature display in the control panel
Dimensions (H x W x D): 709 x 490 x 280 // Weight: 21 kg
Annual power consumption: 1,241 kWh. Time of heating by electricity from 15°C to 60°C: 1h 20min // Shower time/recommended Number of persons: 13 min/2P
50 litre flat wall-mounted electric hot water tank with 2.2 kW electric heating rod including WiFi (app control via the Internet), space-saving thanks to very slim, flat silhouette - only 280 mm. Fast water heating via two separate container systems with separate heating rods; therefore extremely high hot water tap output compared to conventional storage units (20% more tap capacity). Simple. on tight room (e.g. kitchen, kitchen unit, cupboards, etc.)

495,00 €
Value for Money

02

Thermex

Thermex ID 50V Shadow Smart Hot Water Tank Flat Vertical Smart Boiler, 50 Litres, Black

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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

With the Smart "Smart" mode, the water heater monitors the use of hot water.
Very flat, installation depth: 263 mm
For vertical wall mounting
Contents package: boiler, manual, wall anchor and inlet combination: 3-way safety valve (This is a drain valve, a check valve and a pressure relief valve in 1).
Attractive black version.

213,99 €
03

Thermex

Thermex IF 50 Smart Boiler, Intelligent Flat Hot Water Tank, 50 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 thanks to double tank principle
Connected load: 2000 watts 230 volts 10 amp.
50 litre flat "smart" water heater with intelligent technology. Can be used vertically or horizontally

173,99 €
04

BJTDLLX

BJTDLLX 40 L Electric Hot Water Heater 2000 W Electric Storage Water Heater for Kitchens, Toilets, Wall Hanging Water Boiler with Hand Shower

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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 to use: the electric hot water tank has overheating protection, freezer protection and leakage protection. It automatically keeps you warm when the temperature is above 167°F, making it safer for you.
Large capacity: the electric hot water tank holds up to 40 litres of water, and thanks to its large capacity, you can enjoy your hot bath in peace. This makes your life easier and more convenient!
High quality: the electric hot water tank consists of an iron housing, stainless steel heating pipes, an enamelled lining and a porcelain baking process, which is robust, does not deform easily and has a longer service life.
High efficiency: the electric hot water tank with 2000 W power and fast conducting stainless steel heating pipes provides you with hot water in no time at all - without long waiting times. With this hot water tank, you can enjoy hot water at any time of day.
Easy to use: the electric hot water tank ensures a comfortable bathing experience by controlling the temperature (up to 167°F) easily at the touch of a button. In addition, the clear control panel with digital temperature display is quick to use even for the elderly. The practical hand shower ensures a comfortable shower experience.

92,00 €
05

Thermex

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

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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

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

152,99 €
06

MooBeey

2000 W 40 L Electric Storage Hot Water Tank with Stainless Steel Heating Tube, Adjustable Temperature Electric Hot Water Tank, Electric Boiler Water Heater Shower Water Boiler with Hand Shower

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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

【Large Capacity】: The product can hold up to 10.57 gallons of water, which ensures sufficient hot water supply and makes bathing comfortable.
【High Safety】: It has overheating protection, frost protection and leakage protection. When the temperature is higher than 167°F, it is automatically kept warm, making it safer for you to use it.
【Easy to use】: Easily adjust the temperature (up to 167°F) with the rotary knob and enjoy a pleasant bathing experience. In addition, the clear control panel with digital temperature display is quick to capture and safe to use even for the elderly.
【Durable】The iron sheath, stainless steel heating tube, enameled inner lining and porcelain baking process make it insulated, sturdy, rust-proof, very durable and not easily deformable, which ensures a long service life.
High efficiency: 2000 W power and fast heat conduction stainless steel heating tube can be used with hot water in a short time, avoiding long waiting times.

139,79 €
07

Thermex

Thermex Vision 50V Hot Water Tank 50L - Electric Boiler 1500W Wall Mounted with Thermostat Safety Valve for Household & Commercial Use

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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

Safe to use: integrated safety valve protects against overpressure - automatic temperature control
Reliable hot water supply: 50 litre storage volume – ideal for households and small commercial enterprises
Energy efficient and powerful: 1500 watt heating element with thermostat control up to 75 °C
Durable and robust: corrosion-resistant steel tank with vitro-porcelain coating
Compact and space-saving: modern design for easy wall mounting in enclosed, heated rooms

158,99 €
08

Thermex

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

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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

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.

181,99 €
09

TTulpe

TTulpe Buono 30-O Overtable Hot Water Tank 30 Litres

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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

With the intelligent "Smart" mode, the boiler monitors the use of hot water. In this way, the boiler prepares for the next water use cycle. (7 days in cycle). In times when you do not need hot water, the water is kept at a minimum temperature. So you save energy with maximum comfort
With the TTulpe Buono 30-O you get a high-quality water heater.
The operation is very easy via 4 push buttons on the LCD display, on which all relevant data is displayed.
The TTulpe Buono 30-O has an organic glass inner coating. These are enamelled steel tanks which, thanks to this unique and patented coating, provide the inner tank with the highest protection without damaging the environment.
Thanks to the good insulation and the new Smart function, this boiler has excellent energy efficiency, resulting in an energy label B.

149,00 €
10

Charocean

Charocean Electric Hot Water Tank, 45 L, Hot Water Boiler, 2000 W, Wall-Mounted Electric Storage, Heating Output Boiler, Water Boiler, Enamelled Inner Container, LED Screen, 220 V (45 L 2000 W)

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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

【PROTECTIVE PACKAGING】:We pack this product in foam to minimize damage to the product during shipping.
【Large Capacity】: This product can hold up to 9.9 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 (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.

155,00 €