The boiler Eolo Star 24 4 E is equipped with a combined bithermic heat exchanger, which is used both for heating the cooling medium of the heating circuit and for heating the water of the hot water supply circuit (DHW). The model has proven itself in operation even under difficult conditions. Includes Immergas 60/100 mm coaxial flue kit (71.MT7.00.36) for non-condensing turbo gas boilers.