Vitodens 100-W B1GA 16 kW Heat Only

£1,133.40 inc VAT

Vitodens 100-W 16kW Heat only boiler.

The new Vitodens 100-W heat only, hydrogen ready, natural gas boiler is an attractively priced wall mounted gas condensing boiler, ideally suited for existing open vented or sealed systems.
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.


  • Gas condensing heat only boiler for open vent and sealed systems
  • output from 3.2 to 16kW
  • ERP efficiency 92% (Hs)
  • Energy efficiency class: A
  • Lambda Pro for exceptional performance, high efficiency and low emissions
  • Hydrogen ready (H2 20% blend)
  • Compact design for cupboard installation
  • Ideal for bungalow application with its low static water head requirement
  • Low weight, easy to handle

Product benefits:

  • Particularly attractive price/performance ratio
  • Durable and efficient due to Inox-Radial stainless steel heat exchanger
  • MatriX-Plus burner
  • Easy operation via control unit with LED display and touch buttons
  • Internet capability with WiFi ready for ViCare app (modem accessory required, see Accessories tab)
  • Ideal for installation in living areas thanks to its low operating noise and compact dimensions
  • LPG version available early 2022

Touch screen Display

The boiler can be controlled by the new LCD touch screen, some of the display features:

  • User-friendly touch buttons enable the heating temperature to be set quickly
  • Operating status and temperature information shown on display
  • Discreet black panel visual design

To complete your installation the following may be required:

  • A suitable flue (see Flue tab)
  • Modem for internet WiFi connection and ViCare app (see accessories tab)
  • An outdoor temperature sensor for weather compensation operation (see Accessories tab)


Device 11kW 16kW 19kW 25kW 32kW
Efficiency class A A A A A
Rated heat outputs
50/30 °C 3.2-11.0 kW 3.2-16.0 kW 3.2-19.0 kW 3.2-25.0 kW 3.2-32.0 kW
80/60 °C 2.9-09.9 kW 2.9-14.4 kW 2.9-17.0 kW 2.9-22.5 kW 2.9-30.0 kW
Depth 285mm 285mm 285mm 285mm 340mm
Width 375mm 375mm 375mm 375mm 375mm
Height 600mm 600mm 600mm 600mm 600mm
Weight 23kg 23kg 23kg 23kg 23kg
Flue connections
Flue gas connection 60mm 60mm 60mm 60mm 60mm
Ventilation air connection 100mm 100mm 100mm 100mm 100mm

Buying into Viessmann.

When you purchase a Viessmann boiler, you can be assured that you are buying a quality appliance backed up by years of engineering expertise.

  • Each of the boiler models within our comprehensive range is equipped with cutting-edge technology and sets new benchmarks.
  • Viessmann offer a range of warranty options which will provide you with peace of mind.
  • Warranty options depend on if you are a homeowner, a Viessmann Academy trained installer or a non-Viessmann trained installer.
  • Many of the boilers come with a comprehensive 5 year parts and labour warranty, as standard.
  • Optional warranty extensions are available if the boiler is installed by a Viessmann Academy Trained Installer.
  • 10 year warranty on the Inox-Radial heat exchanger.

    Boiler Model Standard Trained Installer Extended warranty for Trained Installer
    Vitodens 100-W 5 Years 5 years 7 years, 10 years or 12 years (additional fee applies)

    See Viessmann's warranty.

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