Waterway 1 HP Impeller

THIS ITEM HAS CHANGED AS OF 2003 A WEAR RING (319-1380) IS REQUIRED WITH A NEW IMPELLER. WATERWAY # 310-4220 GENERAL DESCRIPTION: THIS IS A 1 OR 1-1/2 HP IMPELLER USED ON THE WATERWAY EXECUTIVE PUMP GRAY PLASTIC IMPELLER CLOSED FACE OR OPEN IMPELLER: CLOSED FACE NUMBER OF VANES 6 OUTSIDE DIAMETER: 4-1/2" THICKNESS: 3/16" (INSIDE VANE THICKNESS AT OUTSIDE EDGE OF IMPELLER) THICKNESS: 7/16" (OUTSIDE VANE THICKNESS AT OUTSIDE EDGE OF IMPELLER) FRONT TO BACK: 3-1/16" (FROM END OF SHAFT TO FRONT ON INTAKE) INLET INSIDE DIAMETER: 2-3/16" INLET OUTSIDE DIAMETER: 2-3/8" MARKINGS: THIS IMPELLER HAS PART NUMBER MARKINGS FOR THE 1, 2, 3, 4, AND 5 HP IMPELLER THE DIFFERENCE IN EACH HORSEPOWER IMPELLER WILL BE THE THICKNESS OF THE IMPELLER THESE ARE THE MARKINGS FOUND ON THE INLET SIDE 1 HP 310-4220 2 HP 310-4210 3 HP 310-4200 4 HP 310-4190 5 HP 310-4180 COVER 313-1700