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Vaillant ecoTEC plus VUW INT 306/5-5 30 kW

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Конденсаційний котел Vaillant ecoTEC plus VUW INT 306/5-5 0010021966

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Vaillant ecoTEC plus VUW INT 306/5-5 30 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:30 kW, area ~ 240 m²
Combustion chamber:closed, flue 60/100 mm
DHW temperature:up to 65 °С

The Vaillant ecoTEC plus VUW INT 306/5-5 is primarily remarkable for its two-circuit structure and the use of additional energy from steam condensation, which provides a significant increase in efficiency — up to 108%. The installation is recommended for organizing efficient heating of an area up to 240 m2. The combustion chamber is closed type, the temperature in the heating system is regulated within 30-85°C, and the maximum temperature of hot water is 65°C. Both the modern summer mode of operation and the necessary set of protection systems are provided.

All specifications
Specifications ecoTEC plus VUW INT 306/5-5
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area240 m²
Condensing
Technical specs
Heat output30 kW
Power supply230 V
Power consumption80 W
Coolant min. T30 °С
Coolant max. T85 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure10 bar
Consumer specs
DHW max. T65 °С
"Summer" mode
Circulation pump
Control buseBus
Boiler specs
Efficiency108 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm
Expansion vessel capacity10 L
Connections
Mains water intake3/4"
DHW flow3/4"
Gas supply1/2"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
water circulation failure
frost protection
More specs
Dimensions (HxWxD)720x440x338 mm
Weight36.3 kg
Added to E-Catalogaugust 2014
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.
Cool German boiler of high power and no less high efficiency
  
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.
get a good master
  
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
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Vaillant ecoTEC plus VUW INT 306/5-5 configurations

Price for Vaillant ecoTEC plus VUW INT 306/5-5
Vaillant ecoTEC plus VUW INT 246/5-5 21.7 kWfrom 46 300 1 offer
Vaillant ecoTEC plus VUW INT 306/5-5 30 kWfrom 67 270 1 offer
Vaillant ecoTEC plus VUW INT 346/5-5 34 kWfrom 53 800 2 offers

Vaillant ecoTEC plus VUW INT 306/5-5 30 kW price graph