Viessmann EKCO.TM 12-36

Code: Z021555
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2 068,86 € –5 %
Elektrický kotol Viessmann EKCO.TM 12-36
2 068,86 € –5 % 1 965,42 € / pcs 1 597,90 € excl. VAT Measure price:
International delivery
1 week

Detailed information

Product detailed description

 
VIESSMANN EKCO.TM 12-36
 
High-output EKCO.TM boilers with weather-compensated (equitherm) control and cascade control
Up to 8 boilers in total (1x TM + 7x T)
For use in central heating systems and with a domestic hot water heater

 
 
Electric boilers are a modern, comfortable, safe and eco-friendly heat source. They are relatively small, aesthetically designed appliances that can be easily installed practically anywhere.

 

 

 

KEY FEATURES:

  • Outlet temperature from 40 °C to 85 °C.
  • The control panel (EKCO.TM) allows setting and reading the boiler's operating parameters. It provides automatic output modulation, which has a significant effect on energy savings.
  • The EKCO.TM type offers control of one circuit with a mixing valve
  • A drive unit consisting of electronic, semiconductor switching elements ensures reliable and quiet boiler operation.
  • A thermal switch cuts the power supply in an emergency. It protects the heating unit and electronic components from damage.
  • Hydraulic connections located at the bottom.
  • Energy-saving, high-efficiency circulation pump.
  • Automatic bleed valve.
  • Pressure gauge.
  • Energy efficiency class D.
  • Power supply 400V 3N~

 
The water temperature in the tank can be set on the front display if the TV - WE 008 temperature sensor is used

 

Parameters
 
VIESSMANN EKCO.TM 12 - 36 
Output 12 - 36 kW
Max. output   36 kW
Min. output  12 kW
Outlet temperature  40 - 85 °C
Permissible pressure  3 bar
ErP class D
Electrical parameters
Voltage  400 V
Rated current 3 x 43.3 A
Electrical protection rating  IP21
Dimensions
Dimensions (width/height/depth) 815/ 503/ 197 mm
Weight  29 kg

* The boiler output is set by the installation partner at the time of installation or servicing. 

 




Frequently Asked Questions

  • How do I choose the right output for a Viessmann electric boiler? Just like with gas boilers, base your choice on the calculated heat loss of the heated building. For electric boilers, it is also crucial to check whether your building's (or apartment's) electrical connection capacity allows it - higher outputs (from roughly 12 kW upward) usually require a three-phase 400 V connection and a correspondingly sized main circuit breaker, which can be confirmed by a revision technician or the electricity distributor directly.
  • Is an electric boiler worth it compared to a gas or solid-fuel boiler? An electric boiler has the lowest purchase price and the simplest installation (no flue gas extraction is needed, since nothing is combusted), but running costs on electricity are usually higher than for gas or wood/coal for the same amount of delivered heat. It is particularly suitable where gas is not available, as a supplementary/backup source, or for buildings with low consumption (well-insulated new builds, cottages, apartments).
  • How does an electric boiler regulate output? Most models switch individual heating elements on/off in stages, while some more modern models also allow smoother output modulation - this affects the smoothness of heating and partly also the service life of the switching elements.
  • Can I install this electric boiler myself? Connection to the electrical network, inspection and commissioning must be carried out by a person with electrical qualifications in accordance with the applicable standard STN 33 2000 and related regulations - self-installation is not permitted, either in terms of warranty or safety.
  • Can this electric boiler also heat domestic hot water? For many models, yes, usually in combination with a separate hot water tank and a switching (3-way) valve that switches between the heating circuit and heating the tank - the exact option and required accessories for this specific model can be found in the technical parameters above, or you can consult our customer service.

Additional parameters

Category: Viessmann Vitotron
Warranty: 2 years
Weight: 29 kg
Power supply: 400V
Outlet temperature from: 40 °C

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List of discussions

T Avatar of author 22/09/2026 10:45
Doma máme starý kotol a otec hovorí že by chcel dať dokopy viac kotlov aby mal väčší výkon, ide to nejako s týmto Viessmann EKCO.TM?
A Avatar of author 22/09/2026 10:45
Áno, práve na to je tento kotol stavaný – dá sa prepojiť až 8 kotlov do kaskády (jeden TM ako hlavný a až 7 kusov T ako doplnkové), takže výkon sa dá pekne poskladať podľa potreby. Navyše má ekvitermickú reguláciu, čo znamená že sa kotol prispôsobuje vonkajšej teplote automaticky, takže otec nemusí nič ručne dolaďovať. Ak plánujete aj ohrev teplej vody, tento kotol to tiež zvláda.

About the company

Viessmann Group is one of the international manufacturers of heating, industrial and cooling systems. This family business, founded in 1917, employs 12,300 people and the group's turnover reaches 2.65 billion Euros.

With 22 production plants in 12 countries, 68 representations in 31 countries, as well as 120 sales companies, Viessmann is truly internationally oriented. 56 % of turnover comes from abroad. 

Complete Viessmann product range

The complete Viessmann product range includes individual solutions with efficient systems and outputs from 1.5 to 120,000 kW for all application areas and all countries. These include wall-mounted condensing units with outputs from 1.9 to 150 kW and stationary condensing systems from 1.9 to 6,000 kW, as well as block combined heat and power units (BCHP) from 1.0 to 530 kWel respectively from 5.3 to 660 kWth. Block combined heat and power units (BCHP) are designed for natural gas/biogas.

The range of regenerative energy systems includes thermal solar systems with flat collectors and vacuum tube collectors for heating domestic hot water, supporting heating and solar cooling of buildings, special heating boilers and combustion units from 4 kW to 50 MW for pellets, heat pumps with outputs from 1.7 to 2,000 kW for the use of heat from the ground, groundwater and ambient air, as well as photovoltaic systems.

For district heating networks and biogas communities, Viessmann also offers everything from one source – from the first feasibility study and planning documents, through the supply of all necessary components such as biogas systems, heat sources, block combined heat and power units, underground heat pipes and apartment delivery stations, to construction and operation.

With an extensive range of temperature-controlled rooms, powerful cooling boxes and units, cooling solutions for food retail as well as accessories and services – the Viessmann group also covers the field of cooling.

Sustainable development

As a family business, Viessmann places particular emphasis on responsible and long-term oriented action, as well as sustainable development. That is why sustainable development is firmly anchored in the company's principles. In all processes, we ensure that we align economy, ecology and social or societal responsibility with each other.

Viessmann is among the leading international manufacturers of intelligent, comfortable and efficient systems for heat production, air conditioning, ventilation and cooling or decentralized electricity generation. Our systems form the basis of comfort, well-being and a strong industry. Based on past successes, we have set ambitious goals. Viessmann will continue to set the pace, create technical milestones and constantly push the boundaries of the possible in the future.

Our brand values

In 1966, the Viessmann company principles were formulated for the first time. They have been and still are important guidelines for our success. In order to align corporate culture with the unfavourable changes in the environment, driven by digitalization, the brand's value code was newly created in 2016. The declared goal is to strengthen creativity and personal responsibility within the company, thus supporting innovation and quickly supporting good ideas. The company's values are guiding principles for our daily actions.

Together

Our relationship with our customers is based on fair partnership with the aim of joint success. We offer our employees good conditions for development. 

Responsibly

We have committed ourselves to economic, ecological and social responsibility. Our goal is to protect the climate and preserve natural resources.

Enterprisingly

We are a technological pioneer in our industry and will also continue to contribute to the direction of technical progress in the future.

 

 

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