The Warmflow Agentis 21-27kW External System Oil Boiler is an ErP A rated external heat only boiler designed for outdoor use. It's IP45 rated no maintenance casing houses a highly efficient, patented heat exchanger and the latest Riello low Nox technology.

Features & Benefits

• Multi-directional flue provided with boiler ;
• Includes FSK2 Stat
• Weather proof casing rated to IP45Â ;
• Patented high efficiency heat exchanger
• ErP A rated efficency
• Latest Riello low Nox ;

Picking the correct type of Boiler is a major decision. When you decide that Oil System Boilers are the best solution then the Warmflow E26S is without doubt worth putting on the shortlist.