Vaillant ecoFIT sustain 835 boiler

Product code: 116009

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Product Description

With a sustainable design made up of 100% recyclable materials plus ErP A-rated efficiency, the Vaillant ecoFIT sustain 835 combi boiler provides peace of mind for eco-aware homeowners, bringing down fuel bills while significantly reducing their carbon footprint. Easy to fit in nearly any location and quick and simple to service thanks to a unique four-sided cooling system this 35kW output combi with highly reliable Grundfos pump is compact, lightweight and quiet in operation. The ecoFIT sustain works alongside an extensive range of Vaillant thermostats and controls including the cost efficient app-based vSMART™ weather compensation system.

Product Features

  • Exclusively designed with specifiers in mind
  • Quiet Mark accredited
  • Excellent power-to-weight ratio
  • Hand-built-in an award-winning Derbyshire manufacturing plant
  • Modulating high torque pump uses low energy
  • Compact size and best in class 10m flue length offers flexibility of siting including the option to cupboard-fit
  • Choice of rear or top flue to suit a wide variety of properties
  • High SAP performance helps to reduce new build cost by up to 4% on TER
  • Highly efficient and economical to run up to an 93% efficiency rating (SAP 2009)
  • Patented 4-sided cooling reduces component stress
  • Lightweight aluminium heat exchanger
  • Highly efficient Grundfos modulating pump uses low energy to deliver a balanced output to meet boiler demand
  • Compatible with Vaillant room thermostats, wired and wireless controls including vSMART™ app-based controls
  • Familiar Vaillant diagnostics for quick and easy maintenance
  • Patented condensate trap, easy to install with a safety backup
  • Fully modulating low NOx burner and fan for energy efficiency
  • Built-in two-stage frost protection for year-round optimal performance
  • Warm start function provides instant hot water
  • Modulation range up to 1:4 ensuring low energy consumption
  • Clear and bright easy to read LCD display
  • 2 year warranty