THE ITEM YOU ARE LOOKING AT IS A VB9 UNLOADER REGULATOR VALVE TRAPPED PRESSURE SYSTEM COMPLETE WITH PR5 SWITCH WITH WIRES FOR N/OPEN OR N/CLOSED CIRCUIT. QWASHERS YOUTUBE HOW TO SETUP REPAIR FAULT FIND PA 60.2250.00 VB9 UNLOADER VALVE PRESSURE WASHER - YouTube.
eBay