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Vaillant ecoTEC plus VUW OE 236/3-5H 23 kW

Photos - Boiler Vaillant ecoTEC plus VUW OE 236/3-5H 23 kW
Outdated Product
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A wall-mounted condensing boiler of a double-circuit structure, which allows not only to heat the room, but also to provide a constant hot water supply. The thermal power of the device is 23 kW, and the gas consumption does not exceed 2.5 cubic metres. at one o'clock. At the same time, the efficiency of the boiler can reach 109% due to the additional use of the heat of condensation of water vapor.
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Vaillant ecoTEC plus VUW OE 236/3-5H 23 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:23 kW, area ~ 172 m²
Combustion chamber:closed, flue 60/100 mm

A wall-mounted condensing boiler of a double-circuit structure, which allows not only to heat the room, but also to provide a constant hot water supply. The thermal power of the device is 23 kW, and the gas consumption does not exceed 2.5 cubic metres. at one o'clock. At the same time, the efficiency of the boiler can reach 109% due to the additional use of the heat of condensation of water vapor.

All specifications
Specifications ecoTEC plus VUW OE 236/3-5H
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area172 m²
Condensing
Technical specs
Heat output23 kW
Power supply230 В
Coolant min. T30 °С
Coolant max. T85 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure10 bar
Consumer specs
"Summer" mode
Circulation pump
Boiler specs
Efficiency109 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm / 80/80 for split flue /
Inlet gas pressure13 mbar
Coolant performance817 L/h
Connections
Mains water intake3/4"
DHW flow3/4"
Gas supply3/4"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
power outage
frost protection
More specs
Dimensions (HxWxD)720х440х335 mm
Weight35 kg
Added to E-CatalogAugust 2010
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Vaillant 2025 - new arrivals, bestsellers, and the most relevant models Vaillant.
Vladimir
16 October 2013, 13:03
Question about Vaillant ecoTEC plus VUW OE 236/3-5H 
Какой у него размер расширительного бака?
Viktor
21 August 2013, 18:59
Question about Vaillant ecoTEC plus VUW OE 346/3-5H 
Здраствуйте
Возник вопрос, что означает значение "R5" в маркировке котла. Полная маркировка: Vaillant ecoTEC plus 346/3-5 R5. И не подскажите его точную мощность. Везде все по разному написано
Additional features boiler Vaillant ecoTEC plus VUW OE 236/3-5H:
  • Possibility of using combustion air both from inside and outside
Filters
Vaillant ecoTEC plus VUW OE 236/3-5H often compared
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