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Vaillant ecoTEC plus VU INT 166/5-5 14 kW

Photos - Boiler Vaillant ecoTEC plus VU INT 166/5-5 14 kW
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Single-circuit heating gas boiler of condensing type. The main distinguishing feature of this model, of course, is the highest efficiency, due to the use of the condensing principle of extracting heat from natural gas combustion products. Unlike conventional boilers, hot flue gases undergo deeper cooling, which makes it possible to extract from them the latent heat of condensation of water vapor generated directly in the combustion process. Thanks to this engineering solution, this condensing boiler is 7% more economical than conventional design units. It has a closed-type combustion chamber and forced exhaust of flue gases, which allows it to be mounted in residential areas. The useful power of the Vaillant ecoTEC plus VU INT 166/5-5 heating boiler is sufficient to heat a small private ho...usehold with an area of 112 m2 or a city apartment of a similar area. It is equipped with a silent two-stage pump with automatic switching, an automatic air vent and a modern digital information and analytical control system DIASystem. Can work with branded room thermostat 2-position, equipped with a system of weekly programming. Made in Germany, when purchased from an authorized dealer, it is provided with a full proprietary 24-month warranty.
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Vaillant ecoTEC plus VU INT 166/5-5 14 kW
Energy source:gas
Mount:wall, single-circuit
Boiler power:14 kW, area ~ 112 m²
Combustion chamber:closed, flue 60/100 mm

Single-circuit heating gas boiler of condensing type. The main distinguishing feature of this model, of course, is the highest efficiency, due to the use of the condensing principle of extracting heat from natural gas combustion products. Unlike conventional boilers, hot flue gases undergo deeper cooling, which makes it possible to extract from them the latent heat of condensation of water vapor generated directly in the combustion process.

Thanks to this engineering solution, this condensing boiler is 7% more economical than conventional design units. It has a closed-type combustion chamber and forced exhaust of flue gases, which allows it to be mounted in residential areas. The useful power of the Vaillant ecoTEC plus VU INT 166/5-5 heating boiler is sufficient to heat a small private household with an area of 112 m2 or a city apartment of a similar area. It is equipped with a silent two-stage pump with automatic switching, an automatic air vent and a modern digital information and analytical control system DIASystem. Can work with branded room thermostat 2-position, equipped with a system of weekly programming. Made in Germany, when purchased from an authorized dealer, it is provided with a full proprietary 24-month warranty.

All specifications
Specifications ecoTEC plus VU INT 166/5-5
Main
Energy sourcegas
Installationwall
Typesingle-circuit (heating only)
Heating area112 m²
Condensing
Technical specs
Heat output14 kW / at 80/60°С /
Min. heat output3 kW
Power supply230 V
Power consumption70 W
Coolant min. T30 °С
Coolant max. T85 °С
Heating circuit max. pressure3 bar
Consumer specs
"Summer" mode
Circulation pump
Control buseBus
Boiler specs
Efficiency108 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm
Inlet gas pressure13 mbar
Max. gas consumption1.7 m³/h
Expansion vessel capacity10 L
Coolant performance1075 L/h
Heat exchangerstainless steel
Connections
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
Weight34.5 kg
Added to E-Catalogapril 2017
Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"

Economical gas boiler for an apartment

Vaillant ecoTEC plus VU INT 166/5-5 has a fairly modest heat output of 14 kW. Therefore, it is designed not so much for private houses as for apartments. This unit can heat rooms up to 112 m². It, like other boilers with a closed combustion chamber and forced gas exhaust, can be installed in residential areas. It is only necessary to comply with all the requirements necessary for the installation of condensing boilers. They consist in the presence of a socket, a coaxial chimney, as well as the ability to connect the device to the sewer to drain condensate.

Reliable performance and easy operation

“Under the hood” of this boiler is a durable stainless steel heat exchanger, a 10 liter expansion tank, a two-stage circulation pump, three-way valves and a built-in siphon. Access to the "insides" for their maintenance is carried out from the front, so the boiler can be installed even in a corner, even in a niche. Automation deftly controls the modulating burner, which can change the power in the range from 20% to 100%. Therefore, the boiler easily adapts to changing loads and adapts to different weather conditions. It is equipped with protective systems for all occasions and is completely safe. Therefore, even those who are not friends with technology will feel calm.

Heating without the hassle

Thanks to modest technical characteristics, Vaillant ecoTEC plus VU INT 166/5-5 consumes little gas — less than 1.7 m³ / h when operating at full capacity. But it should be noted that the ratio of price and power is far from being the most favorable. The fact is that Vaillant is considered a “premium” brand. Heating boilers of this brand are distinguished by high reliability of all components and assemblies and well-coordinated work of mechanics with electronics, thanks to which the equipment works like clockwork. This is why Vaillant condensing boilers have a long service life and are trouble-free.

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