Heating rod with integrated hygiene function against Legionella. Switches in 15 stages. Integrated temperature sensor. Control thermostat (10 °C to 80 °C) and safety thermostat. Immersion depth: 360 mm. Maximum heating power 4.5 kW, minimum heating power 165 W. No power controller required. The Smartfox Pro Heater 3, 4, 5, 6, or 9K is the all-in-one solution for your hot water preparation, perfectly compatible with your Smartfox Pro or Pro Light energy manager. Even older generations of Smartfox (Box, REG, Extended) can control the heating rod. With numerous features, the heating rod offers easy installation (plug-and-play solution) and stores PV surpluses in 15 stages as hot water. Communication between devices occurs via RS485 (4-20mA). It can be used in enamelled buffer storage tanks and containers to heat heating and drinking water. Power to heat. Thanks to the integrated temperature sensor, you will always have enough hot water available, even in bad weather. Additionally, the heating rod has an integrated hygiene function against Legionella. Through sector coupling, the Smartfox Pro Heater can be optimally combined with other energy systems, especially heat pumps. This achieves maximum energy efficiency and protects the environment. The integrated power measurement provides you with a clear display in the free My Smartfox monitoring system. With the app, you can access the system remotely and perform maintenance or control it as needed.