consisting of: boiler - approx. 400/250/250 cm, heat exchanger AVR-L 500 - approx.50/250/200 cm, control cabinet - approx.118/50/220 cm, piping, blower and pumps, 400 kW, max. operating pressure 4.5 bar, water capacity 2500 l, year of construction 2008, approx. 16.000 operating hours, wells not included