Vitodens 050-W B0HA 19kW System Boiler

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Vitodens 050-W 19kW System Boiler

The new Vitodens 050-W B0HA Gas Condensing System Boiler is an attractively priced wall mounted gas condensing boiler. Fitted with the Viessmann patented Matrix Plus Burner and the Inox-Radial heat exchanger made of stainless steel; these are the heart of your heating system.

Product features:

  • Gas condensing system boiler, (LPG compatible, conversion to LPG is made at the control unit; no conversion kit required)
  • Heating output 3.2 to19kW
  • ERP efficiency 92% (Class A)
  • Ultra Compact - can be fitted in a kitchen cupboard
  • Just 700 mm in height and 300 mm depth

Product benefits:

  • Particularly attractive price/performance ratio
  • Durable and efficient due to Inox-Radial stainless steel heat exchanger
  • MatriX-Plus burner with Lambda Pro combustion control system for permanently high efficiency and low emission values
  • Easy operation via control unit with LED display and touch buttons
  • Internet capability with WiFi inside
  • Ideal for installation in the living area due to low operating noise and compact measurements
  • Low installation height simplifies replacement of old devices
  • Modulation range up to 1:8
  • LPG compatible, no conversion kit required

Touchscreen Display

  • The boiler can be controlled by the new LCD touchscreen or by the ViCare App, some of the display features:
  • User-friendly touch buttons
  • Comprehensive information display
  • Discreet black panel visual design

WiFi Inside:

  • simple guided commissioning via the Vitoguide App
  • homeowner control of heating and DHW programmes using the ViCare App
  • 3rd Party controls not required when using ViCare Thermostat
  • See Digital Services Tab for more information

Standard Delivery:

  • Modulating, fan-assisted premix burner with Lambda Pro
  • Control unit with integral WiFi interface
  • Integral safety valves
  • Variable speed high efficiency circulation pump and 3-way valve
  • Expansion vessel (8 litres)
  • Wall mounting bracket
  • Fully plumbed and wired
  • Boiler flue connection
  • Valve fittings

Additionally you may require:

  • A suitable flue (see Flue tab)
  • A ViCare Thermostat for load compensation (see Accessories tab)
  • Or an outdoor temperature sensor for weather compensation operation (see Accessories tab)

ViCare Thermostat (accessory)

  • load-compensated control meets 'Boiler-Plus'
  • battery powered
  • RF Connection

Viessmann ViCare Application:

Vitodens 050-W 19kW System Boiler Vitodens 050-W 19kW System Boiler


Device 19kW System 25kW System
Efficiency class A A
Rated heat outputs
50/30 °C 3.2-19.0 kW 3.2-25.0 kW
80/60 °C 2.9-17.0 kW 2.9-22.5 kW
Depth 300mm 300mm
Width 400mm 400mm
Height 700mm 700mm
Dry Weight 35kg 35kg
Flue connections
Flue gas connection 60mm 60mm
Ventilation air connection 100mm 100mm

Please note:

  • Vitodens 050-W are tested and approved for natural gas according to EN 15502.
  • Conversion within gas groups E/LL/Lw/K is not required.
  • Conversion to LPG via control panel
  • With diverter valve.

Mobile applications and energy management systems.

Vitodens 050-W 19kW System Boiler Connectivity Inside.

Connectivity inside is the intergrated WiFi interface for operating and servicing systems using Viessmann Apps.

Vitodens 050-W 19kW System Boiler Communication technology.

ViCare app – mobile applications for system users:

  • Mobile operation of the heating system for heating and DHW.
  • Assistance functions and fault display with option for direct connection to a contractor for service requests.

Vitodens 050-W 19kW System Boiler Vitodens 050-W 19kW System Boiler

Vitodens 050-W 19kW System Boiler Tools for service, maintenance and commissioning.

ViGuide – mobile applications for trade partners:

  • Service and maintenance with ViGuide for optimising workflows in the Viessmann trade partner's business.
  • Ensures customer-friendly online service for the system user, provided they have enabled service via the ViCare app.
  • Straightforward and efficient commissioning of heat generators with integral communication module and battery storage systems, performed by heating contractors using Viguide.
  • In addition to the free version, ViGuide Plus and ViGuide Pro are also available as paid-for versions with additional analysis, remote maintenance and optimisation functions.

Vitodens 050-W 19kW System Boiler Vitodens 050-W 19kW System Boiler

Energy management systems.

Viessmann energy management:

  • Viessmann energy management is integrated into the latest generation of Viessmann heat pumps and energy storage units
  • It enables balanced operation of the components in the house that generate, consume or store electricity.
  • The focus is on optimising self-consumption of self-generated electricity from photovoltaic systems.
  • The energy management system provides extended information about electricity flows and also CO2 savings.
  • If desired, customers can add further optimisation levels in the ViCare app.

For more information on the system requirements, the functions and use, see Viessmann's Main Website Energy Management

Vitodens 050-W 19kW System Boiler Buying into Viessmann.

Viessmann use their best endeavours to ensure that their products are manufactured without any manufacturing or material defects.

In order for your boiler to qualify for a free of charge manufacturer’s guarantee period longer than the minimum 2 year period set out in the standard Terms and Conditions of Sale, your installation must be registered with Viessmann within 30 days of purchase/invoice.

You or your installer can register the installation, using the online or offline options available. The free of charge voluntary guarantee period varies by product, please see below for the period that applies at the time of purchase.

Viessmann Warranty Information and Viessmann Vitodens Guarantee (PDF)

For an extended guarantee, which is offered on some models as a purchase option, your installer must register your installation on the Viessmann Installer Portal for installations in Great Britain.

Vitodens 050-W 19kW System BoilerReturn of Goods.

We very much hope you will be happy with your products, however we do understand items sometimes need to be returned.
Condition is all important, an item should have been treated in the same way as if it was on sale in a shop, unopened and unused with seals intact.
Large palleted items (boilers, heat pumps, cylinders etc.) must be returned as delivered, strapped and wrapped to the pallet, unopened.


Our returns policy can be found here.

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