The service water is heated during the heating phase by the warm air of your heater via the built-in heat exchanger. If necessary, the water can also be heated to 70 °C via the built-in 230 V electric cartridge. Nautic Compact air is the practical addition to your warm air heater. For 230 V and with heat exchanger for connection to the existing air heating system. Radiator self-regulating 1 m connection cable overheating protection water drain valve heating element 230 V/500 W (2.2 A) service water connection = 10 mm air hose connection = 65-75 mm capacity 6 l power 500 W voltage 230 V dimensions 24 x 45.5 23 cm