For your wash system you can use the water from your on board pressure supply. You only need a solenoid valve. As soon as the valve gets a signal via the wiper control, it will open to provide water for the wipe/wash program.
€141.36
€7.76
€68.77
€123.11
€92.06
€10.31
€6.65
€460.28
€49.91
€22.18