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The Sustain boiler range

Designed to increase efficiency and reduce your build costs

Vaillant have developed the Sustain range to meet the exacting requirements of the new build sector, with outstanding quality boilers with high SAP efficiency ratings that deliver maximised performance.

Drawing on extensive expertise with new build development, Vaillant have engineered solutions with a small boiler footprint offering flexibility of siting including cupboard fit and compatible connected controls offering greater control for homeowners.

ecoTEC sustain

  • Highly efficient combi boiler range
  • Designed for specification in new build developments
  • Quiet Mark awarded thanks to being ultra-quiet whilst in operation
  • High SAP performance to help reduce new build cost
  • High quality stainless steel heat exchanger designed for long life
  • Modulating low NOx burner and fan to lower emissions and fulfil green credentials
  • Compatible with the full range of Vaillant controls and accessories

ecoFIT sustain

  • Combi, open-vent and system boiler range
  • Designed for specification in new build developments
  • Compact cupboard fit with rear flue option
  • High SAP performance to help reduce new build cost
  • Compatible with the full range of Vaillant controls and accessories
  • Patented condensate trap for easy installation with a safety back-up
  • Up to 10m flue lengths allowing for maximum flexibility for location of the boiler