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.
€9.98
€70.98
€83.18
€141.36
€10.31
€92.06
€460.28
€24.40
€22.18
€510.19