Vaillant ecoTEC plus VUW INT 346/5-5 34 kW
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Vaillant ecoTEC plus VUW INT 346/5-5 34 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:34 kW, area ~ 272 m²
Combustion chamber:closed, flue 60/100 mm
DHW temperature:up to 65 °С
Common error codes in Vaillant gas boilersDeciphering error codes that appear on the screens of the most popular Vaillant gas boilers
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
All specifications
Specifications ecoTEC plus VUW INT 346/5-5
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Common error codes in Vaillant gas boilersDeciphering error codes that appear on the screens of the most popular Vaillant gas boilers
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
Catalog Vaillant 2024 - new products, best sales and most actual models Vaillant.
Before buying always check characteristics and configuration of product with online store manager
Catalog Vaillant 2024 - new products, best sales and most actual models Vaillant.
Series Vaillant ecoTEC plus (wall-mounted condensing)Compare using chart →
gas, condensing, power 25 kW, area ~ 200 m², wall, single-circuit, closed, heating: up to 200 m²
gas, condensing, power 30 kW, area ~ 240 m², wall, dual-circuit, closed, heating: up to 240 m²
gas, condensing, power 96.2 kW, area ~ 722 m², wall, single-circuit, closed, heating: up to 722 m²
gas, condensing, power 44.1 kW, area ~ 353 m², wall, single-circuit, open, heating: up to 353 m²
gas, condensing, power 48 kW, area ~ 384 m², wall, single-circuit, closed, heating: up to 384 m²
gas, condensing, power 63.5 kW, area ~ 508 m², wall, single-circuit, closed, heating: up to 508 m²
gas, condensing, power 80 kW, area ~ 600 m², wall, single-circuit, closed, heating: up to 600 m²
gas, condensing, power 120 kW, area ~ 900 m², wall, single-circuit, closed, heating: up to 900 m²
gas, condensing, power 35 kW, area ~ 280 m², wall, single-circuit, closed, heating: up to 280 m²
gas, condensing, power 21.7 kW, area ~ 174 m², wall, dual-circuit, closed, heating: up to 174 m²
gas, condensing, power 34 kW, area ~ 272 m², wall, dual-circuit, closed, heating: up to 272 m²
gas, condensing, power 63.7 kW, area ~ 510 m², wall, single-circuit, open, heating: up to 510 m²
Personally, I do not recommend installing vaillant ecotec plus vuw int 246/5-5 due to a problem with the gas valve. The official representation of vaillant gives a guarantee for only 12 months. And when, as in my case, something serious happens after 14 months, you will be forced to solve all your problems on your own. Very expensive. Any appeals to the official representation of vaillant will be ignored! Rabbit on the body unreliable for Ukraine use Vaillant ecoTEC plus VUW INT 246/5-5 more than year |
The boiler is condensing, which means that it can use the latent heat of gas combustion products, which ordinary gas boilers throw into the chimney. In a special chamber-heat exchanger, water vapor condenses from the flue gases, giving this heat to the coolant. True, a lot of acid condensate is formed in this case, but more on that below. Due to its high efficiency, the boiler produces a lot of heat with moderate gas consumption. But this is not only due to the use of latent heat. There is a special electronic system for mixing air and gas. This automation selects the optimal ratio of these two components and doses them to the burner. The burner, depending on the need for heat, can change the combustion force in the range from 20 to 100%. Such a combustion control system also adds a lot to efficiency. The boiler is made of high quality components and materials. What, for example, are heat exchangers made of heat-resistant and corrosion-resistant steel or a circulation pump with PWM control. The boiler is also equipped with a variety of sensors and protective systems. The manufacturer paid a lot of attention to safety. Stupid manufacturer's claims about 109% efficiency. Well, why consider consumers idiots? They would write either about “109% efficiency in terms of net calorific value” or just an honest figure of 97-98%. It cannot work stably on our constantly jumping voltage, the Germans did not foresee this. Therefore, immediately select a good stabilizer. Price. It is certainly good and will justify itself by saving gas, but it will be later. And you need to pay for it now and immediately. |
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Video reviews
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Vaillant ecoTEC plus VUW INT 346/5-5 configurations
| Price for Vaillant ecoTEC plus VUW INT 346/5-5 | ||||
|---|---|---|---|---|
 | Vaillant ecoTEC plus VUW INT 246/5-5 21.7 kW | from 46 300 ₴ | 1 offer | |
 | Vaillant ecoTEC plus VUW INT 306/5-5 30 kW | from 67 270 ₴ | 1 offer | |
| Vaillant ecoTEC plus VUW INT 346/5-5 34 kW | from 53 800 ₴ | 2 offers | |
We recommendCompare using chart →
gas, condensing, power 32.3 kW, area ~ 258 m², wall, dual-circuit, closed, heating: up to 258 m², programmable thermostat
gas, condensing, power 34.4 kW, area ~ 275 m², wall, dual-circuit, closed, heating: up to 275 m², programmable thermostat, Wi-Fi
gas, condensing, power 34.4 kW, area ~ 275 m², wall, dual-circuit, closed, heating: up to 275 m², Wi-Fi
gas, condensing, power 33 kW, area ~ 248 m², wall, dual-circuit, closed, heating: up to 248 m², programmable thermostat
gas, condensing, power 34.9 kW, area ~ 279 m², wall, dual-circuit, closed, heating: up to 279 m²
gas, condensing, power 34.4 kW, area ~ 275 m², wall, dual-circuit, closed, heating: up to 275 m²
gas, condensing, power 24 kW, area ~ 192 m², wall, dual-circuit, closed, heating: up to 192 m²
electricity, power 6 kW, area ~ 45 m², wall, single-circuit, heating: up to 45 m², warm floor mode, connection: 220В
gas, condensing, power 23.5 kW, area ~ 188 m², wall, dual-circuit, open, heating: up to 188 m², warm floor mode
