Impeller, Compatible with Brand Armstrong, Compatible with Grainger Part Number 52CE15, 52CE16, 52CE17, Compatible with Manufacturer Model Number 174033MF-013, 174033MF-043, 174034MF-013, 174034MF-043, Compatible with Series H-32, S-35, Compatible with Series Family S&H, Impeller Material Plastic, Overall Diameter 3.35 in, Compatible with Pump Type In-Line Circulating Pumps, Includes Gasket, Seal Kit, Manufacturers Warranty Length 1 yr