PRO-TEC Radiator Flush removes operational deposits in the entire cooling system. It removes also lime and fur deposits, protects against rust and corrosion, dissolves dangerous radiator sludge and cleans water coolers, boilers and heat exchangers. The product makes valves, thermostats and water pumps free again. The use of PRO-TEC Radiator Flush increase the reliability and lifetime of the engine. Also the heating and cooling performance will be improved.

Application area

For use in all cooling water circuits of petrol and diesel engines or industrial equipment

Application nodes

Prior to each coolant change, admit PRO-TEC Radiator Flush to the used coolant. Run the cooling system or the engine at idle (depending on the size of the system) for approx. 15-40 minutes. After draining rinse with fresh water. Then perform coolant change according to the manufacturer’s instructions. We recommend preventive use of PRO-TEC Radiator Conditioner after changing the coolant.


375ml sufficient for 5 – 10 liters of cooling water. Mix Ratio 1:20

Treatment time

15-40 minutes, depending on the size of the system



Weight N/A

5L, 10L, 25L, 200L, 375ml, 1000ml