VITOTHERM – Compact electric instantaneous water heaters

VITOTHERM instantaneous water heaters are a great solution in any space that achieve top performance in spite of their amazingly compact size. Behind the user-friendly design lies genuine German craftsmanship. The durable products constantly supply showers with hot water, allowing you to shower at your desired temperature without any fluctuations.

Overview of the key features of VITOTHERM instantaneous water heaters:

  • With switchable power (VITOTHERM EI4 and EI6)
  • Easy replacement of all common instantaneous water heaters
  • Easy fastening design
  • Insertion aid for the connection cable
  • Universal installation orientation (VITOTHERM EI5)
  • Energy efficiency class: A

High quality standards for durability and safety

Viessmann's German heritage obliges us to offer products at the highest quality and safety standards. All our instantaneous water heaters are designed and quality controlled in Germany, 100% made in the EU. All products are CE certified with IP 25 (ingress protection), testifying that the water heaters are safe for general application. Depending on the model, our instantaneous water heaters are equipped with inlet and outlet temperature sensors, flow sensor, air sensor, as well as an automatic safety switch and anti-scald protection for the most reliable, safe, and comfortable hot water experience.



Precise heating

With the help of sophisticated temperature controls, VITOTHERM instantaneous electric water heaters provide the exact water temperature that you need. Electronic controls assure to heat your water precisely, which optimizes your energy consumption. The multifunctional display shows necessary information like temperature, flow rate, power and more. The control knob provides straightforward operation of the electric water heaters for all users.