Incompatible in every way: maximum pressure, maximum flow. The HDS 10 / 20-4 M high pressure hot water machine is the most powerful machine in the K Classrcher Middle Class. Innovative eco! Efficiency, accurate detergent dosage and optimized engine combustion have less of an impact on your wallet and the environment. At the same time, the patented nozzle technology, the ceramic pistons, the air blower and the highly efficient pump ensure excellent cleaning results. Ease of operation is due to the intuitive control panel, LED screens and the concept of flexibility that simplifies the operation and movement of the machine. Service and maintenance are easy, as all components are easily accessible and operational data can be recovered at any time.