If you take one look at T3's best pressure washers buying guide ... In our testing, the Kärcher K4 was regularly the best compromise between price, power, accessories, portability, and a range ...

Once that is achieved you plug your hose into the water-in port on the Kärcher K7, then plug in the pressure washer's power cable, add the detergent bottle to the detergent port, attach either ...