0° - RED: Cutting Nozzle. It delivers a concentrated stream that can gouge or cut. It can cut stubborn stains from concrete and other hard surfaces.
15° - YELLOW: Chiseling Nozzle. Working at a 45° angle, this nozzle works like a scraper, stripping paint, grease and grime from hard surfaces.
25° - GREEN: Flushing Nozzle. The most commonly used nozzle for cleaning dirt from siding, sidewalks and metal furniture as well as for wet sweeping leaves.
40° - WHITE: Wash Nozzle. Its widespray allows you to wash and rinse a large area fast. It is usually safe
65° - BLACK: Soap/Chemical Nozzle