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Vaillant ecoTEC plus VU INT 246/5-5 20 kW

Photos - Boiler Vaillant ecoTEC plus VU INT 246/5-5 20 kW
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Highly efficient double-circuit gas boiler with the condensing principle of heat transfer. Compared to classic double-circuit boilers, it has higher energy efficiency and is able to save gas consumption by 7-8%. It is distinguished by the presence of an additional stage of flue gas cooling, which makes it possible to use the heat of condensation of water vapor formed during the combustion of fuel. It is also equipped with a modulating burner with an extended power control range (from 20 to 100%), which further increases the flexibility and efficiency of using natural gas. High-quality chromium-nickel stainless steel is used as the heat exchanger material. Electronic control of the heating boiler Vaillant ecoTEC plus VU INT 246/5-5 has an informative display and an intuitive interface. It i...s possible to connect an external thermostat-programmer, which is purchased separately. The boiler provides fast heating of the hot water circuit (maximum temperature 65 °C) and is capable of producing up to 11 L/min of heated water (at a temperature difference of 30 °C). Forced flue gas extraction and a low-noise circulation pump make it possible to install the unit directly in a residential area. Equipped with all necessary protective systems, including frost protection. Made in Germany, backed by a proprietary 2-year warranty.
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Vaillant ecoTEC plus VU INT 246/5-5 20 kW
Energy source:gas
Mount:wall, single-circuit
Boiler power:20 kW, area ~ 160 m²
Combustion chamber:closed, flue 60/100 mm

Highly efficient double-circuit gas boiler with the condensing principle of heat transfer. Compared to classic double-circuit boilers, it has higher energy efficiency and is able to save gas consumption by 7-8%. It is distinguished by the presence of an additional stage of flue gas cooling, which makes it possible to use the heat of condensation of water vapor formed during the combustion of fuel.

It is also equipped with a modulating burner with an extended power control range (from 20 to 100%), which further increases the flexibility and efficiency of using natural gas. High-quality chromium-nickel stainless steel is used as the heat exchanger material. Electronic control of the heating boiler Vaillant ecoTEC plus VU INT 246/5-5 has an informative display and an intuitive interface.

It is possible to connect an external thermostat-programmer, which is purchased separately. The boiler provides fast heating of the hot water circuit (maximum temperature 65 °C) and is capable of producing up to 11 L/min of heated water (at a temperature difference of 30 °C). Forced flue gas extraction and a low-noise circulation pump make it possible to install the unit directly in a residential area. Equipped with all necessary protective systems, including frost protection. Made in Germany, backed by a proprietary 2-year warranty.

FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
All specifications
Specifications ecoTEC plus VU INT 246/5-5
Main
Energy sourcegas
Installationwall
Typesingle-circuit (heating only)
Heating area160 m²
Condensing
Technical specs
Heat output20 kW
Min. heat output3.9 kW
Power supply230 V
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 consumption2.6 m³/h
Expansion vessel capacity10 L
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
Weight33 kg
Added to E-Catalogapril 2017
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
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