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Vaillant ecoTEC plus 835 35kW Combi with Vertical Flue and Filter 10021822

Regular price £2,430.00 GBP
Regular price £2,138.40 GBP Sale price £2,430.00 GBP
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The Vaillant ecoTEC plus range of high efficiency boilers combine fantastic efficiency levels and high performance with great usability. Thanks to continuous modulation and real combustion control by a multi-sensor system, they achieve high efficiency at the lowest emissions. Due to the boiler's fantastic efficient performance, hot water heats up in just 5 seconds, meaning no hot water tanks are necessary. Vaillant Combi Boilers are highly efficient and deliver a top SEDBUK Band 'A' rated fuel efficiency and powerful domestic hot water performance. Easy to install, a simple step by step wizard is included to provide a quicker 'first time right' set up, and removable side panels allow for greater access to the internal components, meaning the boiler will produce hot water as quickly as possible. This boiler pack includes a Vertical Flue and Filter.

  • Highly efficient and economical to run - 94% ErP rating
  • Flame lift detection system enables more efficient and quieter combustion
  • Wide modulation range of up to 1:6 ensures low energy consumption and maximum efficiency
  • Premium quality components Including brass diverter valve, ensuring highest reliability and performance
  • Built-in-two-stage frost protection ensures optimal performance all year round
  • An integrated filling loop make installation even quicker
  • Stainless steel heat exchanger for superior heat transfer and highly efficient performance
  • Compatible with aroTHERM air to water heat pump hybrid system
  • 5 year Guarantee increases to 10 year Warranty. Must be installed and registered with the Boiler Protection Kit. Must be registered on Advance


Standard 3 - 5 Business Days: £5.95

Express  1 - 2 Business Days: £9.95 

Free Standard Delivery On Orders Over: £250

We only dispatch orders between Monday to Friday.

All orders must be placed before 12pm, so they can be dispatched on the same working day.