Parts list: № Number Qty Name Options 1 WZ8804150 1 CIRCUIT BOX 2 WZ8804151 1 CIRCUIT BOARD STANDARD MOUNTED EL4 2 WZ8804152 1 CIRCUIT BOARD USE WITH VRS EL4 EL.BAL/VRS 3 WZ8802061 1 KEY 4 WZ2602213 3 Nut PG-13, 5 5 WZ2602113 3 NUT PG-13, 5 Next page: ST169406 Repair Kit (5-Way Ball Valve) ST169445 Pressure Regulator TF 20Bar/130-300L (Electronic) ST169434 Suction Screen For 1 Pump ST169382 EL-4 Receiver Box EL-Balance ST169404 5-Way Ball Valve 2 Pumps ST169458 Service Part ST169457 Suction Filter Kit Auto-Dilute ST169456 Circulation Valve Kit Auto-Dilute ST169455 3-Way Suction Screen Kit For Second Pump ST169454 5-Way Ball Valve