Vitodens 100-W 19kW Compact Open Vent Boiler

£1,008.60 inc VAT
In Stock

The Vitodens 100-w is a wall mounted condensing boiler, fitted with the Viessmann patented Martix cylinder burner, with an Inox-Radial heat exchanger. ErP A Rated.


  • 5 years standard comprehensive warranty, Viessmann Trained Installers can offer customers an extended boiler warranty option of 12 years. See Viessmann's warranty table.
  • 10 year warranty on the Inox-Radial heat exchanger.

Features and benefits:

  • Matrix cylinder burner
  • Inox-Radial heat exchanger
  • Same output for Heating and Hot Water (up to 35 kW)
  • Combined PRV and condense connection, saving time and expense
  • Simple conversion kit to LPG
  • Permissible boiler operating pressure 3 bar
  • SEDBUK (2005) seasonal efficiency 90.8%
  • Modulation ratio of 1:3
  • Optional room thermostatic and weather compensated control unit optional * (see below)
  • Easy installation
  • Depth of only 285mm (340mm for 35kW)
  • No pump over run required
  • A selection of options are available for under-floor heating in Domestic Mixer Extension Kits section
  • ERP A Rated

* For compact boilers serving hot water & heating use Z007933.
* For compact boilers serving heating only use Z006506.


Specification Measures
Depth 285 mm
Width 375 mm
Height 600 mm
Weight 30 kg
Flue Gas Connection d = 60/100 mm

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