Combination Boilers

ecoTEC exclusive Green iQ 835, 843

ecoTEC exclusive combination boilers

  • Wide modulation range of up to 1:10
  • Extra-condense heat exchanger
  • High power, 43kW output model available
  • Green iQ mode
  • 7 year warranty*

EcoTEC Plus Combination Boilers

ecoTEC plus combination boilers

  • Which? Best Buy awarded
  • Step by Step full text installation wizard
  • Dedicated models available for LPG
  • Extended guarantees when installed by a Vaillant Advance partner
  • ErP rated A

ecoTEC Pro 24, 28 and 30kW

ecoTEC Pro

  • Removable side panels and push-fit flue system
  • Fully modulating low NOx burner and fan
  • Dedicated models available for LPG
  • Extended guarantees available when installed by a Vaillant Advance partner
  • ErP rated A

ecoFIT pure combination boiler

825, 830 and 835 outputs

  • Compact, cupboard fit solution
  • Top and rear flue options
  • Automotive grade aluminium heat exchanger
  • Easy installation and maintenance
  • 5 year warranty*

ecoFIT sustain 25, 30 & 35kW

Combination boiler range

  • High efficiency ErP 'A' rated product
  • High quality lightweight aluminium heat exchanger with excellent power to weight ratio
  • Cupboard fit with rear or top flue option
  • Modulating high torque pump uses low energy
  • Warm start function