Vaillant ecoTEC plus VU INT IV 166/5-5 Н

by Vaillant
  • Heating condensing boiler with hot water preparation in stainless steel heatexchanger. models with capacity 23, 28 and 34 kW Average efficiency per heating season 108% Modulation of burner from 35% to 100% The backlit display and intuitive interface The economical use of electricity. Electric power to 110W
  • Gas wall-mounted condensing heater Modeling burner, power range from 35% to 100% Built-in communication bus EBUS Average for the heating season Efficiency 107% NOx content in combustion products <20 mg / kW * year The maximum operating pressure in the heating circuit is 3 bar, in the DHW circuit up to 10 bar Primary heat exchanger with high-quality stainless steel. All components are made in Germany. Built-in plate heat exchanger for hot water Economical use of electricity. Boiler electric power up to 110W User-friendly design. Display with illuminated and intuitive interface Built-in two-stage heating pump, automatic, safety valve, condensate drain from the unit and chimney systems through the built-in siphon, built-in expansion tank 8L Priority switching valve Electronic pressure sensor. Flow sensor Electronic ignition and control of the combustion process Protection against jamming of the pump and the priority switching valve at their simple more than 23h Program function "setup assistant" for easy setting of the parameters of the first start-up
Contact Details "Vaillant Group Ukraine", 16, Lavrska str., Kyiv, Ukraine, tel.: +38 (044) 339-98-40
Manufacture Product Details
Technology gas condensing boiler
Max Capacity in kW 18.5
Min Capacity in kW 5.6
Efficiency in % 108.0

Annual savings
Annual savings: UAH 7,000 / 5,700 kWh*

Annual energy baseline for heating 39,722kWh/a

Annual energy after replacement Vaillant ecoTEC plus VU INT IV 166/5-5 Н

Your annual savings


1. Inclusion of the technologies, equipment and materials in the Technology Selector is based solely on qualification under IQ energy’s ‘Minimum Energy Performance Standards’** and does not constitute an endorsement of the producers or suppliers of these products by the EBRD. Although every effort has been made to present correct and up to date data, EBRD does not accept responsibility for the accuracy of the data presented.

**Included technologies ‎have been assessed to result in at least a 20% higher energy performance than the market average

2. The savings are calculated for the refurbishment of an average dwelling or the replacement of an average equipment in Ukraine. The actual savings of individual refurbishment projects/equipment can differ from the indicated savings due to specific climatic conditions, size of the dwelling/equipment, consumer behaviour, etc. The displayed energy efficiency measures only have an impact on individual household's bills (savings) if there is consumption based billing available.

3. Even though we have taken reasonable care to apply up-to-date energy prices when calculating savings in UAH, we do not take responsibility for the accuracy of any savings estimates stated on this Site.

4. All prices displayed in our Technology Selector are provided by the suppliers as indicative retail prices and should be used for reference purposes only. The actual prices of the vendors/retailors can be different from those on our web site due to various reasons beyond the influence of IQ energy programme. IQ energy programme does not bear any liability for the price information of any specific product. Please, check with suppliers actual prices for products and technologies you are interested in.