The Warmflow Agentis External Combi Oil Boiler 21 kW is designed for outdoor use with its IP45 rated, no maintenance and weatherproof casing. The Warmflow Agentis also features a highly efficient, patented heat exchanger and the latest Riello low NOx technology.

• UK's Only AA rated combi oil boiler which saves up to 5 litres of fuel per week
• IP45 weather proof and No maintenance casing
• 24 litres hinged expansion vessel
• 32 Plate heat exchanger
• Domestic hot water mini expansion vessel factory fitted
• Integrated 7 days programmer
• Pressure relief and pressure reducing valve factory fitted as standard
• IP45 weather proof, no maintenance casing
• Multi-directional flue provided with boiler
• Standard 2 years guarantee extended to 5 years when installed by a Connect Scheme member and also installed with a filter