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Vaillant Electric instantaneous water heater

Price in EUR including VAT
Energy Label A
Delivered between 6/1/2026 and 14/1/2026
More than 10 pieces in stock at supplier
free shipping

Product details

The Vaillant electric instantaneous water heater VED E 21/8 is a powerful device that provides efficient and reliable hot water supply. With a rated power of 21 kW and a maximum temperature of 55 degrees Celsius, this water heater ensures a constant outlet temperature, making it ideal for various applications. The unit is designed for installation above or below the sink and features a digital temperature display for easy operation. The electronic power control allows for precise adjustment of the heating output, resulting in significant energy and water savings of up to 30% compared to hydraulic instantaneous water heaters. The plastic pressure vessel and IP25 protection rating make the device robust and durable, while the automatic air detection simplifies maintenance. Weighing only 4.4 kg, the water heater is also easy to install and maintain.

  • Energy and water savings of up to 30% compared to hydraulic instantaneous water heaters
  • Easy maintenance with accessible, easily replaceable components
  • Automatic air detection for improved functionality
  • Digital temperature display for precise control
  • Suitable for pre-heated water and plastic pipes.

Key specifications

Boiler type
Instantaneous water heater
Volume
1 l
Item number
21243143

General information

Manufacturer
Vaillant
Category
Boilers
Manufacturer no.
0010023778
Release date
21/6/2022

Material

Material group
Plastic
Material
Plastic

Boiler properties

Boiler type
Instantaneous water heater
Version
Under-sink appliance
mounting style
Table
threaded connector
1/2“
heating system
Bare wire
Temperature range
20° - 55° C
Temperature display
Digital
Max. pressure
10 bar
Energy efficiency class
A
Model name
VED E 21/8 C

Power supply

Power supply
Electrical connection
Nominal power
21 kW
Nominal voltage
400 V

Safety

Protection type (IP code)
IP25

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1

Product dimensions

Width
24 cm
Height
48.10 cm
Weight
4.40 kg
Volume
1 l

Legal Notice

Product Safety

Package dimensions

Length
53 cm
Width
29 cm
Height
17 cm
Weight
4.74 kg

14-day cancellation right
30-day right of return
24 Months statutory warranty
Report concern

Compare products

Goes with

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
  • Vaillant
    Not enough data
  • 1.Stiebel Eltron
    1,1 %
  • 1.Tesy
    1,1 %
  • 3.Ariston
    2,2 %
  • 4.Bosch Home Comfort
    2,9 %

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
  • Vaillant
    Not enough data
  • 1.Stiebel Eltron
    0 days
  • 2.Ariston
    5 days
  • Bosch Home Comfort
    Not enough data
  • Qlima
    Not enough data

Return rate

How often is a product of this brand in the «Boilers» category returned?

Source: Galaxus
  • Vaillant
    Not enough data
  • 1.Qlima
    2,6 %
  • 2.Ariston
    2,8 %
  • 3.Tesy
    4,3 %
  • 4.Sygonix
    5,6 %
Source: Galaxus