Depending on showering habits, instantaneous water heaters in the bathroom can become electricity guzzlers. But modern electronic devices are at least more economical than some older models. And if you have little space in your home or no hot water tank, you have to use an instantaneous water heater anyway. But which one is best?
Stiebel Eltron DHE 18/21/24 kW Fully electronic instantaneous water heater always accurate to the degree thanks to
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Product details
The Stiebel Eltron DHE 18/21/24 is a fully electronic instantaneous water heater that ensures a constant and precise supply of hot water for multiple draw-off points in the kitchen and bathroom. Thanks to the innovative 4i technology, the set water temperature remains stable even when water is drawn from other points simultaneously. The intuitive operation is carried out via a tactile rotary control, allowing for stepless temperature adjustment in 0.5 °C increments. The illuminated multifunction display provides a clear overview of the current water temperature, energy consumption, and other important information. With a compact design and the option for under-sink installation, this instantaneous water heater is both functional and space-saving. It meets the highest demands for comfort and energy efficiency, making it an ideal solution for modern households.
- 4i technology for constant water temperature
- Intuitive operation via tactile rotary control
- Illuminated multifunction display for easy readability
- Energy efficiency class A for low power consumption
- Suitable for multiple draw-off points simultaneously.
Boiler type | Instantaneous water heater |
Volume | 0.40 l |
Item number | 21243111 |
Manufacturer | Stiebel Eltron |
Category | Boilers |
Manufacturer no. | 202656 |
Release date | 21/6/2022 |
Colour | White |
Exact colour description | White |
Material group | Plastic |
Material | Plastic |
Boiler type | Instantaneous water heater |
Version | Oversink device |
mounting style | Table |
threaded connector | 1/2“ |
heating system | Bare wire |
Temperature range | 20° - 60° C |
Temperature display | Digital |
Max. pressure | 10 bar |
Energy efficiency class | A |
Model name | DHE 18/21/24 |
Power supply | Electrical connection |
Nominal power | 24 kW |
Nominal voltage | 400 V |
Protection type (IP code) | IP25 |
Country of origin | Germany |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1 |
Length | 11.60 cm |
Width | 22.50 cm |
Height | 46.60 cm |
Weight | 3.10 kg |
Volume | 0.40 l |
Length | 52 cm |
Width | 27 cm |
Height | 18 cm |
Weight | 4.42 kg |
Product Safety |
30-day right of return
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Boilers» category have a defect within the first 24 months?
Source: Galaxus- 1.Stiebel Eltron0,8 %
- 2.Ariston1,6 %
- 3.AEG Haustechnik4,5 %
- Bosch Home ComfortNot enough data
- TesyNot enough data
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- Stiebel EltronNot enough data
- 1.AEG Haustechnik0 days
- 2.Ariston6 days
- Bosch Home ComfortNot enough data
- TesyNot enough data
Return rate
How often is a product of this brand in the «Boilers» category returned?
Source: Galaxus- 1.Tesy2 %
- 2.Ariston3,3 %
- 3.Stiebel Eltron3,6 %
- 4.AEG Haustechnik4,4 %
- 5.Bosch Home Comfort13,9 %