"RM110 Light Flashing?" 

Karcher Part Number:  (For 1 Litre)  6.295-299  (62952990).

Machine Protector and Limescale Inhibitor:

‘RM 110 Advanced’ protects internal machine components that come into contact with water from the build up of limescale and corrosion, extending the life of parts such as the heater coil.

To Fit The Following Machines:

All HDS hot water pressure washers with a Diesel / Petrol / Kerosene fired burner.

In stock at our premises in Coventry, West Midlands. Sold in a box of six.