The ergonomic frame concept of the HD 9/21 G petrol-powered cold water pressure washer from the offers a high level of mobility. Protected by its stable frame, the machine can withstand adverse external conditions. The Honda petrol engine can reliably deliver electricity where no connection is available. And if a water connection is also unavailable, the machine is able to suck up water directly from lakes or ponds and convert it into a working pressure of 210 bar. So the pump does not overheat when in recirculation mode, the machine features a thermostat valve and a large water filter.