Vaillant ecoTEC Plus system boilers are the most compact boilers ever developed by Vaillant  providing simple installation and unrivaled flexibility. With its small dimensions and one of the lowest weights in its class (34.8kg), the ecoTEC Plus 612 system boiler meets the growing demand from installers and end users for smaller, lightweight appliances.

• Compact dimensions and light weight
• Excellent siting versatility and easy installation
• Advance modulation during periods of low heat demand for maximum efficiency
• Flame lift detection system for more efficient and quieter combustion
• New high efficiency pump for reduced energy consumption
• 7 year warranty if fitted by a Vaillant Advance installer