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Open Vent Boilers

Vaillant’s range of reliable high quality regular open vent boilers delivers for all house types with higher hot water demands from a single bathroom home through to five-bedroom multi-bathroom mansions. Our open vent range covers 12kW to 35kW and they work perfectly with our range of Vaillant cylinders.

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ecoTEC plus 412, 415, 418, 424, 430 and 435

ecoTEC plus open vent boiler range

  • Rear flue option
  • Compact dimensions
  • Large backlit plain text display
  • Removable side panels
  • 5-year guarantee as standard, with 7 years available when you book a Vaillant Advance installer or 10 years when fitted with a Boiler Protection Kit by a Vaillant Advance installer*

ecoFIT pure open vent boiler

412, 415, 418, 425, 430 and 435 outputs

  • Compact, cupboard fit solution
  • Top and rear flue options
  • Automotive grade aluminium heat exchanger
  • Easy installation and maintenance
  • Standard 2 year warranty. Free 7 year warranty when registered by a Vaillant Advance partner (promotion until 31/12/18)

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