heater unit for large volumes

hot air heater / dryer, large volume, fast heat up heats from a boiler, oil, solid fuel, gas etc 3/4" sized flow and return 23m range fan blower can be wall or ceiling hung on tiltable bracket angled lourve outlet front plate 21.4kw heat out put optional motor speed / temperature controller also available suitable for garages, dog kennels, sheds, workshops, stores, furniture stores, spray-booths, drying rooms, etc controller + 48 eur, heater 635eur