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.
€86.51
€78.75
€127.55
€7.76
€42.15
€92.06
€123.11
€9.98
€83.18
€460.28