Hottech Electric Immersion Heater for Boiler - Heating Cartridge with Uni-Schuko Plug and Temperature Controller Water Thermostat Heat Exchanger, White, 230 V, 3000 W, 6/4 Inch : Amazon.de: DIY & Tools
Heizpatrone 2 kW : Amazon.de: Baumarkt
Heizstab für Wasserspeicher 3 kW 5/4" 3000W 230V Heizelement Heizpatrone für Edelstahl Warmwasserspeicher : Amazon.de: Baumarkt