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?
Vaillant Electric instantaneous water heater
Product details
The Vaillant electric instantaneous water heater VED E 21/8 B is a powerful hot water device designed for efficient and demand-oriented hot water preparation. With a rated power of 21 kW and the ability to set three different outlet temperatures (35 °C, 45 °C, and 55 °C), this device offers a flexible solution for various needs. The instantaneous water heater is made of robust plastic and is suitable for both above-sink and under-sink installation. The electronic control ensures precise regulation of water temperature and allows for energy and water savings of up to 20% compared to hydraulic models. With a maximum operating pressure of 10 bar and an IP25 protection rating, the Vaillant water heater is both safe and durable. The easy maintenance and access to replaceable components make it a practical choice for household use.
- Three adjustable outlet temperatures for individual hot water comfort
- Energy and water savings of up to 20% compared to hydraulic instantaneous water heaters
- Easy maintenance with easily accessible, replaceable components
- Suitable for pre-heated water and plastic pipes
- Electronic control for precise temperature regulation.
Boiler type | Instantaneous water heater |
Volume | 1 l |
Item number | 21243144 |
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 | -35° - 55° C |
Temperature display | Digital |
Max. pressure | 10 bar |
Energy efficiency class | A |
Model name | VED E 21/8 C |
Power supply | Electrical connection |
Nominal power | 21 kW |
Nominal voltage | 400 V |
Protection type (IP code) | IP25 |
Country of origin | Germany |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1 |
Length | 24 cm |
Height | 48.10 cm |
Weight | 4.40 kg |
Volume | 1 l |
Product Safety |
Length | 53 cm |
Width | 29 cm |
Height | 16 cm |
Weight | 2.50 kg |
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- VaillantNot enough data
- 1.Stiebel Eltron1,1 %
- 1.Tesy1,1 %
- 3.Ariston2,2 %
- 4.Bosch Home Comfort2,9 %
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- VaillantNot enough data
- 1.Stiebel Eltron0 days
- 2.Ariston5 days
- Bosch Home ComfortNot enough data
- QlimaNot enough data
Return rate
How often is a product of this brand in the «Boilers» category returned?
Source: Galaxus- VaillantNot enough data
- 1.Qlima2,6 %
- 2.Ariston3,1 %
- 3.Tesy4,3 %
- 4.Sygonix5,6 %