ES Series boilers are cast iron sectioned boilers with atmospheric burner (which is suitable for natural gas and LPG), between the capacities 19,8 - 58,1 kW in five different models (3 to 7 sections).

Cast iron sections are produced with flexible casting technique with EN GJL 200 cast iron alloy, with gives high resistance against corrosion and thermal expansions.

Boilers are equipped with electronical control board with ignition control for centeal heating and DHW. There is also opiton for only thermostat control for heating and Piezo-ignition solution for the areas problematic with electricity.