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Combination Boilers

Vaillant’s range of reliable high quality combi boilers delivers for all house types from a one-bedroom / bathroom flat through to a four-bedroom property with two bathrooms. Our combi range covers 25kW to 43kW and we have a unique storage combi for 20 l/min flow rate.

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ecoTEC exclusive with Green iQ

  • The best in boiler performance, control and efficiency
  • Fully compatible with our vSMART™ heating control for optimum performance and smartphone app control
  • Eco-friendly and 85% recyclable
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ecoTEC plus 825, 832, 835, 838 and 938

ecoTEC plus combination boilers

  • Step by step full text installation wizard
  • Dedicated models available for LPG
  • ErP 'A' rated
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ecoTEC pro 24, 28 and 30kW

Combination boiler range

  • Removable side panels and push-fit flue system
  • Fully modulating low NOx burner and fan
  • Hand-built in our award-winning Derbyshire manufacturing plant
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ecoFIT sustain 25, 30 and 35kW

Specification combination boiler range

  • Exclusively designed with specifiers in mind
  • Quiet Mark awarded
  • High efficiency ErP 'A' rated product
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ecoTEC sustain 24, 28, 34kW

Combination boiler range

  • Exclusively designed with specifiers in mind
  • Quiet Mark awarded
  • Hand-built in our award-winning Derbyshire manufacturing plant
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ecoFIT pure 25, 30 and 35kW

ecoFIT pure combination boilers

  • Top and rear flue options
  • Automotive grade aluminium heat exchanger
  • Easy installation and maintenance
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Instruction manuals and literature

Looking for the latest literature from Vaillant? Or just need to download an instruction manual? Click here for all Vaillant product ranges.

Vaillant Advance

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The Advance scheme rewards and supports installers by helping them to advance their business, their earnings and their knowledge.

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Contact us

Out of guarantee boiler repair line 03301003150. Any questions, comments or just simply need some advice let us know.