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Best Boiler Elektro - Holiday Sale

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Last Updated - 18.12.2025

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01

ELDOM

eldom Favourite Digital Boiler 80 L Pressure-resistant Wi-Fi

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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

Wi-Fi module and smart control - can be controlled via the Eldom app. Specially developed algorithm - smart control, precise temperature setting, programmable, energy consumption display, anode tester
Two magnesium protective anodes, splash-proof (IP24)
Dimensions (W x D x H): 462 x 462 x 835 mm
Cold and hot water connection 1/2 inch, pressure-resistant - combination check valve incl.
3000 W, 230 V cable with plug

259,00 €
Value for Money

02

Bosch Thermotechnik

Bosch Tronic Line Electronically Controlled Instantaneous Water Heater 15/18/21 kW - Switchable, Pressure-Resistant, Continuous Temperature Selection, Modern Glass Look, White [Energy Class A]

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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

Simply efficient: Particularly economical with energy class A. Up to 30% energy and water savings compared to hydraulic devices
Simple modern design: the device fits perfectly into any decor. High-quality materials and the new, optimised software of the water heater ensure a long service life.
For the installation of this device, a 400 V power connection is necessary, the assembly and the initial commissioning may only be carried out by a qualified electrician. Easy to install: quick over- or under-sink installation in 3 steps thanks to flexible cold water inlet hose and movable hot water spout as well as 3-in-1 power changeover
Easy to internet: By connecting to the WiFi gateway (optional), the device is internet-compatible. With the Bosch HomeCom Easy app, consumption data can be read, for example.
Easy to install: quick over- or under-sink installation in 3 steps thanks to flexible cold water inlet hose and movable hot water spout as well as 3-in-1 power changeover

259,00 €
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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9.6

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

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

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 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

59,99 €
05

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 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

43,46 €
06

MINRS

6L Undersink Boiler, Water Boiler Kitchen Electric Hot Water Tank Storage 1500 W 220 V Hot Water Boiler Instantaneous Water Heater 30-65 °C for Sinks, Kitchens, Bathrooms, White

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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

Safe to use: the automatic shut-off function after reaching the set temperature, three protection functions (anti-high voltage, anti-overtemperature and anti-dry burning), anti-leakage triangular base, IPX4 protection level and practical safety valve can effectively ensure safety, so you can use it with confidence.
High efficiency: the 1500 W power and the heating tube with fast heat conductivity can provide you with hot water in a short time and avoid long waiting.
Good material: 304 stainless steel inner line is compressive and explosion-proof and will not leak, the 316L stainless steel heating tube has good thermal conductivity and can accelerate the heating process, the high-strength installation bracket ensures safe installation and prevents plastic ageing, and the shell is made of ABS, which is hard and firm.
Energy saving: the 1 inch polyurethane foam layer combined with an inner layer made of stainless steel can provide an excellent insulation effect that can better save you unnecessary energy consumption.
Easy to use: it can automatically keep water warm, reach a constant temperature and fill cold water for heating. You only need to control the temperature (30-65 °C) via the button to meet different washing requirements. The heating indicator and clear cold and hot water prompts also allow the elderly to quickly capture them.

41,00 €
07

Strixorn

Electric Instantaneous Water Heater, 6000 W 220 V Mini Instant Electric Water Heater, Under Sink Boiler Shower Hot Water System for Shower Kitchen Garden with Readable LED Temperature Display

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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

【Comprehensive Safety Protection】Equipped with: 1) Water current isolation 2) Double circuit breaker 3) IPX4 water protection 4) Dry boiler protection 5) Overheating protection 6) Grounding protection 7) Surge protection 8) FI protection. Bathroom safe standard for worry-free shower experience with your instantaneous water heater shower!
Precise temperature control 30-55 °C: the 230 V instantaneous water heater is equipped with an intelligent thermostat system that automatically adjusts the power to the input water temperature. This electric instantaneous water heater guarantees a stable output temperature between 30-55°C with only ±1°C deviation for constant shower pleasure without temperature fluctuations.
High-quality and space-saving design: the 230 V instantaneous water heater with die-cast aluminium housing and tempered glass front combines robustness with modern aesthetics. At only 2 inches thick, this mini instantaneous water heater is the ideal solution for tight spaces.
Easy installation and operation: the mini instantaneous water heater impresses with simple 3-button operation for on/off and temperature control - intuitively understandable for all ages. The electric instantaneous water heater can be flexibly installed in the kitchen, bathroom or balcony and compatible with 2.5/4 mm² cable cross section and ≥40 A fuse.
6000 W lightning fast heating: this electric instantaneous water heater 230 V with 304 stainless steel heating element and 360° spiral heating technology delivers hot water in just 3 seconds. The mini instantaneous water heater with 6000 W power saves 30% energy compared to conventional storage water heaters. The special heating structure prevents limescale deposits. Whether morning body care, dishwashing or evening shower - 24 hours of warm water for the whole household

49,99 €
08

KEESUNG

KEESUNG 2KW Electric Hot Water Heater Boiler, Wall Mounted Water Boiler, Wall Mounted Instantaneous Water Heater, Electric Storage Water Boiler, Hanging Storage, White, Electric Boile (50 L)

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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

【Product Specifications】Color: White, Style: Modern, Shape: Column, Assembly Required: Yes, Type of Mounting: Vertical, Power Source: Electric with Cable, Connector Type: EU Standard, Material: Stainless Steel, Enamel, Plastic, Process: Porcelain Baking, Electrical Appliances Category: I, Interface: G1/2, Capacity of the Container: 30L/6.6gal, Model: DSZF, Rated Voltage: 220V, Rated Frequency: 50Hz, Rated Power: 220 Hz. 0000W, 00Pressure: 0.7MPa, waterproof level: IPX4, temperature control range: 25-75°C/77-167°F, product size (D*H): 34*59cm/13.38*23.22in.
Safe and durable: This 2 kW 80 L electric hot water tank boiler is mainly made of high-quality plastic and enamel. Using porcelain baking technology, it is insulated, strong, robust, wear-resistant, not easily deformable and ensures a long service life. It has a leak protection that can automatically turn off the power in the event of leakage to ensure your safety.
Ideal gift: This wall-mounted instantaneous water heater is suitable for use in kitchens, bathrooms, hairdressers, bathrooms, caravans, pubs, schools, hospitals, communities, hairdressing salons and more. Due to its excellent performance, you can give it to your family and friends as a holiday, birthday or housewarming gift.
High efficiency: the wall-mounted water boiler stainless steel heating tube with 2000 W power and fast thermal conductivity can provide you with hot water in a short time and thus avoid long waiting times. It holds up to 9.9 gallons of water, which is very large and ensures a sufficient supply of hot water for a pleasant bath.
Easy to use: this electric storage hot water boiler is easy to use. You only use the button to regulate the temperature (24-60 °C) and select the mode to meet the different bathing needs. The clear control panel with digital temperature display allows even the elderly to quickly control.

115,00 €
09

Thermoflow

Thermoflow UT 10 Undersink Storage Unpressurised Hot Water Boiler 10 L Storage Volume Electric Hot Water Boiler G 3/8 Inch Connection 35-75 °C 65 °C in 20 Minutes

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8.5

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

Mounting: the hot water boiler with G 3/8 inch connection can be mounted on a wall. With a dimensions of 45.8 (H) x 31 (W) x 27.85 (D) cm, the 10 litre small storage tank can be mounted to save space
Hot water storage: the ready-to-plug electric hot water tank, with automatic frost protection, has a storage volume of 10 litres and can be mounted as a hot water undersink device
Energy-saving: thanks to the energy-saving mode and energy efficiency class A, the Thermoflow under-sink boiler allows efficient water heating with an annual power consumption of 513 kWh
Box contents: the Thermoflow UT10 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 20 minutes. From 10 °C to 65 °C, the 10 litre under-sink unit ensures pleasantly tempered water and is ideal as a boiler in the kitchen or bathroom

109,00 €
10

HOARLICN

HOARLICN Electric Storage Hot Water Tank, Electric Tank Water Heater 220V 2000W Instantaneous Water Heater with Hand Shower and Hose Horizontal Boiler 25-75°C for Bathroom, Hairdressing Salons

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8.4

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

Wide application: electric tank water heater is suitable for kitchens, bathrooms, hairdressing salons, bathrooms, caravans, bars, schools, hospitals, communities, hairdressing salons, etc. Due to its excellent performance, you can give it to your family and friends as a holiday, birthday or housewarming gift.
High efficiency: 2000 W power and a fast heat-conducting stainless steel heating tube can provide you with hot water in a short time and avoid long waiting times. In addition, electric tank water heater can hold up to 6.6 gallons of water, ensuring a sufficient supply of hot water for a pleasant bath.
Easy to use: you just need to use the button to control the temperature (77-167°F) and select the mode to meet different bathing needs. The clear control panel with digital temperature display is easy to use even for the elderly. And water heater also has leakage protection that automatically switches off the power to ensure your safety.
Easy to install: electric hot water tank has complete accessories, including two mounting brackets and corresponding mounting screws. You can do the installation yourself. And we use bubble packaging for this product to minimize damage to the product during transportation.
Durable: electric storage hot water tank is mainly made of high-quality plastic and enamel and uses porcelain technology to make it insulated, strong, robust, wear-resistant and not easily deformable, which ensures a long service life. And with practical taps, you can also easily clean mops, floors and more.

75,00 €