The Warmflow Agentis External Combi Pro 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.

• Over 250 Pound worth of factory fitted accessories including an Adey Magnaclean Pro 4
• Crossland oil filter
• Teddington fire valve
• Improved condensate kit
• UK's only AA rated combi oil boiler saving up to 5 litres of fuel per week
• Factory fitted hinged 24 litres expansion vessel
• Domestic hot water mini expansion vessel
• 32 Plate heat exchanger
• Pressure relief and pressure reducing valve integrated 7 days Programmer
• Standard 2 years guarantee extended to 5 years when installed by a Connect Scheme member and also installed with a filter