Erie Tools 15 mm Pump Check Valve Kit fitsEPW-1506-5A, EPW-3WZ-1509A,&nbsp;EPW-1510A,&nbsp;EPW-3WZ-1512A,&nbsp;and EPW-3WZ-1509C5 Pumps Replacement 15mm Pump Check Valve Kit Fits EPW-1506-5A, EPW-3WZ-1509A,EPW-1510A,EPW-3WZ-1512A,and EPW-3WZ-1509C5 Pressure Washer Pumps 1 year warranty against manufacturer defects