RT 350 - How deep must the immersion heater be immersed in the liquid (minimum and maximum)? Gustav 12 August 2025 09:06 Updated Observe the markings for the maximum and minimum immersion depth (water level). Related articles RT 350 - How much water can the device heat up? TS 1001 - How deep must the immersion heater be immersed in the liquid (minimum and maximum)? TS 2003 - How much water can the appliance heat up? TS 1502 - How deep must the immersion heater be immersed in the liquid (minimum and maximum)? MD 1000 - Can the baking programme ‘let it rise’ and ‘bake’ automatically in one go?