thanks guys it gives me a lot to think about. Probably will keep small machine and may add the big, powerfull for bigger jobs. I need small one to clean top floor flats
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99% of my work is domestic but I wish to go commercial so I need big machines.
Are you saying that with 150 psi wand will do the faster job then powerbrush?
Karcher has machine(puzzi 400e) that has 80 psi and powerbrush, and heater, and you can connect hose to it that empties your dirty water tank constantly so it never gets full (not sure but you can also connect fresh water to it - but how does it mix with chemicals), but its over £3000. I do not know where to put my money(karcher - over £3000 or prochem - £2000).
Anyone using puzzi 400 with pw20?