The Sealey VS0055 is a comprehensive cooling system flush tool set designed for effective removal of scale, rust and contaminants from vehicle cooling systems. This professional-grade kit enables thorough cleaning of radiators, engine blocks and heater cores, making it an essential tool for workshops and mobile mechanics performing cooling system maintenance and repair. The set features an adjustable trigger mechanism that delivers both pulsating and consistent pressure flush functions, providing greater control over the cleaning process. Multiple adaptors are included to suit various applications: a conical adaptor for radiator filler necks, 5/8" and 3/4" heater hose barbs, and a smaller conical adaptor specifically for flushing heater circuits. This comprehensive adaptor selection ensures compatibility across a wide range of vehicle makes and models. A built-in one-way pressure valve prevents excessive pressure build-up in the water hose, protecting both the tool and the vehicle's co