MERCEDES W202 DUO HEATER WATER VALVE 0018303484 (s2,DUO1) Working order The Duo Valves also fit many other Mercedes cars, (W124 W201 W220 etc) it's just the pipework fittings which are specific to the W202 C class
Mercedes-Benz duo valve is ideal for applications requiring quick and consistent dosing of fluids, such as machine lubrication or cooling circuits in industrial settings.
