Vaillant ecoFit Pure system boilers are the most compact boilers ever developed by Vaillant providing simple installation and unrivaled flexibility with top or rear flue options. With its small dimensions and one of the lowest weights in its class, the ecoFit Pure 618 system boiler meets the growing demand from installers and end users for smaller, lightweight appliances.

Compact dimensions and light weight
Top or rear flue options
Excellent siting versatility and easy installation
High efficiency pump for reduced energy consumption
Standard 2 year warranty extended to 5 years if fitted by a Vaillant Advance installer