Ideal for cleaning large surfaces

Very effective device for cleaning patios (tile or stone), pool decks, driveways auto blocking paving stones ...
But beware of nozzles used!
I used my camera with a karcher 130 bar: perfect.
I lent it to a neighbor, who used it with his karcher: appearance of leaks, unusable ... Visiting Karcher, repositioning parts ... The unit is damaged.
After research, the Karcher is 160 bar. It would have taken to replace the nozzles (gray with black, supplied).
I bought a camera, and even satisfaction.
Device to recommend, but with special attention to the choice of nozzles according to pressure of the apparatus used.