Our Recommended Boilers

These are the boilers that GWE Compliance recommends.

Please check out the features and benefits of each one and then build your own boiler replacement estimate by hitting the START button below.

Vaillant ecoTEC Plus Combi

The flexible combination boiler for any home

  • Precision heating to reduce your fuel bills
  • Hand-built in Vaillant’s award-winning Derbyshire manufacturing plant
  • Delivers hot water within 5 seconds
  • 7 year manufacturer’s guarantee

From £2,480 fully installed

Vaillant ecoTEC Pro Combi

The smart combi boiler for small to medium homes

  • Precision heating to reduce your fuel bills
  • A full range of thermostat controls, from simple analogue timers to the vSMART™ app based control
  • Hand-built in Vaillant’s award-winning Derbyshire manufacturing plant
  • 5 years manufacturer’s guarantee

From £2,380 fully installed

Vaillant ecoFIT Pure Combi

The cupboard-size combination boiler for any home

  • High performance build, smart controls and efficiency
  • Hand-built in Vaillant’s award-winning Derbyshire manufacturing plant
  • Quiet Mark approved, meaning it’s one of the quietest products in its category
  • 5 year manufacturer’s guarantee

From £2,330 fully installed

Vaillant ecoTEC Plus System

The flexible system boiler for any home

  • High performance, control and efficiency
  • Hand-built in our award-winning Derbyshire manufacturing plant
  • A wide range of heating control options
  • 7 year manufacturer’s guarantee

From £2,280 fully installed

Vaillant ecoFIT Pure System

The cupboard-size system boiler for any home

  • Compact enough to fit in a kitchen cupboard
  • Hand-built in Vaillant’s award-winning Derbyshire manufacturing plant
  • Quiet Mark approved, meaning it’s one of the quietest products in its category
  • 5 year manufacturer’s guarantee

From £2,180 fully installed

Vaillant ecoTEC Plus Heat Only

The regular open vent boiler for any home

  • Compact enough to fit in a kitchen cupboard
  • Hand-built in Vaillant’s award-winning Derbyshire manufacturing plant
  • A wide range of heating control options
  • 5 year manufacturer’s guarantee

Fully installed from £2,180

Vaillant ecoFIT Pure Heat Only

The cupboard-size regular open vent boiler for any home

  • Compact enough to fit in a kitchen cupboard
  • Hand-built in Vaillant’s award-winning Derbyshire manufacturing plant
  • A full range of heating control options, from the simple analogue timers to the vSMART™ smartphone app
  • 2 year manufacturer’s guarantee

Fully installed from £2,080

This is what we include

  • Full Installation
  • Like for like replacement of existing combi boiler
  • Smart Wireless thermostat from Honeywell or Hive
  • Removal and disposal of all waste materials
  • Fernox magnetic filter and inline scale reducer
  • FREE OF CHARGE comprehensive heat loss calculations during the pre-installation survey
  • Hot system chemical flush
  • Full manufacturer guarantee
  • 12 month GWEC system cover (optional renewal)
  • First year’s boiler service 12 months from installation date


As part of our pre-installation process we will provide you with FREE comprehensive heat loss calculations. Your engineer will then advise you about extending the manufacturer guarantee along with any other energy efficiency upgrades which may be beneficial for your property.