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System Boiler Range

Vaillant’s range of reliable high quality sealed system boilers delivers for all house types with higher hot water demands from a single bathroom home through to five-bedroom multi-bathroom mansions. Our system range covers 12kW to 37kW and they work perfectly with our range of Vaillantcylinders. For even larger properties choose the ecoTEC plus 46 and 65kW models.

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ecoTEC exclusive Green iQ 27kW

ecoTEC exclusive system boiler

  • Wide modulation range of up to 1:10
  • 85% recyclable at the end of its life
  • Compatible with Vaillant’s vSMART™ heating control
  • 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*

ecoTEC plus 612, 615, 618, 624, 630 and 637

ecoTEC plus system boiler

  • Step by step full text installation wizard
  • Flame lift detection system
  • ErP 'A' rated
  • 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 system

The cupboard-size system boiler for any home

  • High performance build, smart controls and efficiency
  • Compact enough to fit in a kitchen cupboard
  • A full range of heating control options, from our simple analogue timers to our vSMART™ smartphone app
  • Quiet Mark approved, meaning it’s the quietest product in its category
  • Standard 2 year warranty. Free 7 year warranty when registered by a Vaillant Advance installer

ecoTEC plus 48 and 64kW

High output wall-hung boiler range

  • Compact design
  • Suitable for natural gas and LPG applications
  • High efficiency stainless steel heat exchanger
  • Full range of accessories available

ecoTEC 46kW & 65kW

ecoTEC high output boilers

  • Suitable for domestic and commercial projects
  • High quality stainless steel heat exchanger offers more resistance to oxidation and corrosion
  • All major components built-in for easy installation
  • Energy saving two-stage frost protection system and pressure sensor to monitor system pressure via diagnostics and a flow sensor
  • ErP A rated

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