The Famous Kranzle K7/120 Industrial Pressure Washer. Kranzle are one of the best manufactures of pressure washers available today. With a range mostly dedicated to commercial and industrial use a few are also suitable for home use. These pressure washers shouldn't be confused with cheaper alternatives. The K7/120 is a small, compact but heavy duty pressure washer with a 4 pole slow revving induction motor. Designed for poor water supplies only requiring 7 litres of water a minute, self priming and suitable for drawing water from a tank. Low power requirement makes it ideal for running on extension leads or from a small 2.3 k generator.