Vaillant ecoFIT sustain 825 boiler

Product code: 116007

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Product Description

With the Vaillant ecoFIT sustain 825 combi boiler even instant hot water can be eco-friendly thanks to a high efficiency ErP A rating and a sustainable design made from 100% recyclable materials. Easy to install and maintain, with a unique four-sided cooling system to reduce stress on components plus a reliable modulating high torque Grundfos pump, the 25kW ecoFIT sustain 825 minimises costs over its lifetime in both maintenance and fuel bills. This compact and lightweight unit is unobtrusive, runs quietly and is compatible with a wide range of Vaillant thermostats and controls including the app-based vSMART™ weather compensation system which can help to lower running costs.

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