Warmflow Agentis External Combi Oil Boiler – E21C / E26C / E33C

Warmflow Agentis External Combi Oil Boiler – E21C / E26C / E33C The Warmflow Agentis External Combi Oil Boiler is a high-efficiency outdoor oil boiler designed to provide both central heating and instantaneous domestic hot water from one compact, weatherproof appliance. Built specifically for external installation, the Agentis External Combi features Warmflow's patented stainless steel heat exchanger, latest-generation Riello Low NOx burner and a durable IP45-rated anthracite grey casing. Available in three output options – E21C, E26C and E33C – allowing you to select the most suitable model for your property and hot water requirements. Choose Your Model Model Heating Output DHW Flow Rate E21C 15–21kW 18 L/min E26C 21–27kW 22 L/min* E33C 27–33kW 24 L/min* Key Features External oil-fired combination boiler Provides central heating and domestic hot water Warmflow patented 5mm stainless steel heat exchanger technology Latest Riello Low NOx burner Factory-fitted 24-litre hinged expansion vessel Factory-fitted 32-plate heat exchanger Factory-fitted pressure reducing and relief valves Factory-fitted Grundfos UPM3 FLEX AS circulating pump Durable IP45 weatherproof casing Anthracite grey external finish Multi-directional flue arrangement Flue positions: left, right or rear, with optional top arrangement Quiet operation HVO Ready Front and top service access Designed specifically for outdoor installation Delivery is 10-14 Working Days