TS 2003 - How deep must the immersion heater be immersed in the liquid (minimum and maximum)? Gustav 12 August 2025 08:34 Updated Observe the Min-Max markings on the appliance! Water height at least 20 cm, maximum 27.5 cm. Related articles TS 2003 - How much water can the appliance heat up? TS 1001 - How deep must the immersion heater be immersed in the liquid (minimum and maximum)? RTG 351 - How much water can the device heat up? TAUCHSIEDER ALL - Can liquid also be brought to the boil? TS 1502 - How deep must the immersion heater be immersed in the liquid (minimum and maximum)?