The main differences between these two models include:

- Suction power: The L10s Pro Ultra Heat offers a suction power of 7,000 pascals, while the L10s Ultra has a power of 5,300 pascals. However, you mentioned a power of 10,000 pascals for another model, which is not confirmed in the information available.
- Hot water cleaning: The L10s Pro Ultra Heat has a hot water cleaning function, which the L10s Ultra does not.
- Tank capacity: The L10s Pro Ultra Heat has larger water tanks (4.5 litres for clean water and 4 litres for dirty water) than the L10s Ultra (2.5 litres for both).
- MopExtend technology: The L10s Pro Ultra Heat includes MopExtend technology for improved edge cleaning.