The Warmflow Agentis Pro External Pumped Combi Oil Boiler (21kW) is the UK's only AA-rated oil boiler, providing exceptional energy efficiency and performance. This sleek, white external unit is designed to save you up to 5 litres of fuel per week, considerably reducing your energy costs and environmental impact.

With over 250 worth of factory-fitted extras, this boiler offers outstanding value and convenience straight out of the box. Enjoy peace of mind with a comprehensive 10-year manufacturer warranty, ensuring long-term reliability and support.

• External combi oil boiler with 21kW power output
• UK's only AA rated oil boiler for high efficiency
• Saves 5 litres of fuel per week
• Includes factory fitted extras worth over 250
• 10-year manufacturer warranty
• Ideal for outdoor installation