Vitodens 100-W B1GA 19kW Heat Only Boiler

In stock
Product Code
The new Vitodens 100-W heat only, hydrogen ready, natural and LPG 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 19kW
● 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 configurable through control settings

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
More Information
Manufacturer Part CodeVIESSZK06099
Product TypeHeat Only Boiler
Fuel TypeNatural Gas
Heat Output19 kW
Warranty5 years
Depth285 mm
Height600 mm
Width375 mm


  • You can select the branch where you would like to collect your order.
  • We will send you an email when your order is ready to be collected.
  • Orders received by 3pm can be collected in the branch during opening hours on the next working day if all stock is available in the local branch
  • If we need to transfer some of your products from our central warehouse to your local branch, it may take 2-3 days for your order to be ready for collection
  • You must report any damages, shortages or incorrect items to the showroom where you collected your order within 48 hours of collection.


  • There is a delivery charge of €35 for any order under €500
  • You will be contacted by the branch to confirm you delivery details. We will also send you an email to confirm when your order has gone out for delivery.
  • Orders received by 3pm can be sent out for delivery during opening hours on the next working day if all stock is available in the local branch and a delivery slot is available. If our normal delivery service schedule is full, you will be contacted by the branch to agree alternative delivery details.
  • You must report any damages, shortages or incorrect items to Customer Support within 48 hours of delivery.

Please note you can cancel your order at any time until receipt – see our Returns & Cancellations policy for further information.