The Vaillant model of the ecoCRAFT exclusiv VKK 3E series is a gas condensing boiler for heating residential and non-residential premises. It has won consumer recognition due to the most optimal parameters and ease of installation.
The main advantage of Vaillant boilers of the ecoCRAFT exclusiv VKK 3E series is their extremely small dimensions, which allows them to be used even in small spaces.
This design feature makes it possible to bring the boiler through virtually any doorway. With a width of only 70 cm, it can be easily installed in the shortest possible time.
Despite its small size, this model is characterized by extremely high productivity. Thanks to burners with a large modulation range (17-100%), the boiler shows high efficiency, therefore, it can use the fuel consumed more efficiently.
The boiler is controlled through a simple and intuitive interface. All necessary data (temperature, pressure) is displayed on the backlit display.
The electronic system monitors work and warns about errors. In case of non-critical failures, the boiler continues to operate, reducing power by only 25%.
The ECO CRAFT exclusiv VKK 3E model can be assembled in a cascade of up to 4 units, that is, it is possible to create boiler systems.
| General characteristics | |
| Boiler type | Gas condensing boiler |
| Location | Floor |
| Number of contours | 1 |
| Modes of operation | Heating |
| Heating circuit | |
| Combustion chamber type | Closed |
| Power range | Minimum - 22.0 kW Maximum - 115.9 kW |
| Efficiency | 97.8 - 110.0 % |
| Working pressure of heating contour | Minimum - 0.5 atm Maximum - 3.0 atm |
| The volume of the expansion tank of the heating system | -- |
| DHW circuit | |
| Built-in storage boiler | -- |
| DHW expansion tank volume | -- |
| DHW heat exchanger type | -- |
| Net power in mode DHW | -- |
| Range of effective DHW temperature | -- |
| Hot performance water | -- |
| Working pressure in the DHW circuit | -- |
| Gas supply circuit | |
| Nominal gas pressure | Natural gas (G20) - 130-200 mm water column |
| Maximum gas consumption | Natural gas (G20) - 12.3 m3/h |
| Control | |
| Thermostats | multiMATIC VRC 700/x; sensoCOMFORT VRC 720 |
| Control Panel | Liquid crystal display Temperature display Fault indication |
| Security | |
| Low pressure sensor | + |
| Safety valve | + |
| Water flow sensor | -- |
| Thermal fuse | -- |
| Frost protection | + |
| Pump protection against seizure | + |
| Dimensions and connection | |
| Electrical connection | Voltage / Frequency - 230/50 V / Hz Consumption - 260 W Electrical protection class: I |
| NOx class | 5 |
| Connecting diameters | Chimney *: 150 mm Gas line: 1 1/2 inch Heating circuit: 2 inch * purchased separately |
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Installation and user manualecoCRAFT exclusiv VKK 1206/3-E condens
- Brand: Vaillant
- Product Code: ecoCRAFT exclusiv VKK 1206/3-E
- Availability: In Stock
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1689050.00р.