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Vaillant ecoTEC plus VU 20CS/1-5 21 kW (0010024599)

Photos - Boiler Vaillant ecoTEC plus VU 20CS/1-5 21 kW
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An energy-efficient German single-circuit heating gas boiler with a closed combustion chamber, an advanced digital control system with a touch panel and a programmer, as well as full support for the eBus communication bus. It is positioned as a product of the upper price category in 2021. A distinctive feature of this model is increased energy efficiency, which is achieved through the use of the condensing principle of extracting heat from natural gas combustion products. Unlike traditional gas-fired boilers, hot flue gases undergo deeper cooling, which makes it possible to extract the latent heat of water vapor condensation from them. The original proprietary engineering solution allows the Vaillant ecoTEC plus VU 20CS / 1-5 boiler to show 6-8% more efficiency than conventional design dev...ices. Passport useful power (21 kW) is enough to heat a cottage, a large multi-room city apartment, office or household premises with a total area of up to 168 m². The device is equipped with a silent circulation pump with automatic switching, an air vent valve, a three-way valve for connecting an indirect heating boiler and a modern information and analytical control system. Thanks to the closed type combustion chamber with forced smoke extraction, the boiler can be mounted directly in residential areas.
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Vaillant ecoTEC plus VU 20CS/1-5 21 kW
Energy source:gas
Mount:wall, single-circuit
Boiler power:21 kW, area ~ 168 m²
Combustion chamber:closed, flue 60/100 mm
Modern control panel with touch screen and setting assistant. System of automatic make-up and pressure control. Three-way valve for connecting an indirect heating boiler. Possibility of connection of the gateway for management through the Internet.

An energy-efficient German single-circuit heating gas boiler with a closed combustion chamber, an advanced digital control system with a touch panel and a programmer, as well as full support for the eBus communication bus. It is positioned as a product of the upper price category in 2021. A distinctive feature of this model is increased energy efficiency, which is achieved through the use of the condensing principle of extracting heat from natural gas combustion products.

Unlike traditional gas-fired boilers, hot flue gases undergo deeper cooling, which makes it possible to extract the latent heat of water vapor condensation from them. The original proprietary engineering solution allows the Vaillant ecoTEC plus VU 20CS / 1-5 boiler to show 6-8% more efficiency than conventional design devices. Passport useful power (21 kW) is enough to heat a cottage, a large multi-room city apartment, office or household premises with a total area of up to 168 m². The device is equipped with a silent circulation pump with automatic switching, an air vent valve, a three-way valve for connecting an indirect heating boiler and a modern information and analytical control system. Thanks to the closed type combustion chamber with forced smoke extraction, the boiler can be mounted directly in residential areas.

All specifications
Specifications ecoTEC plus VU 20CS/1-5
Main
Energy sourcegas
Installationwall
Typesingle-circuit (heating only)
Heating area168 m²
Condensing
Technical specs
Heat output21 kW
Min. heat output2.7 kW
Power supply230 V
Power consumption75 W
Coolant min. T30 °С
Coolant max. T85 °С
Heating circuit max. pressure3 bar
Consumer specs
"Summer" mode
Circulation pump
Control buseBus
Programmable thermostat
Boiler specs
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm
Inlet gas pressure13 mbar
Max. gas consumption2.6 m³/h
Expansion vessel capacity10 L
Expansion vessel pressure1 bar
Coolant performance846 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)720x440x348 mm
Weight34 kg
Added to E-Catalogaugust 2021
P/N
0010024599

Information in model description is for reference purposes.
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