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.
€7.76
€510.19
€6.65
€102.04
€79.86
€9.98
€460.28
€127.55
€100.93
€177.46