Circulating Pump , Compatible with Grainger Part Number 4P975, 5P427, Compatible with Brand Taco, Compatible with Manufacturer Model Number 005-BF3Y-1, 005-F1, 005-F1-1, 005-F1-1W, 005-F2, 005-F3Y, Compatible with Series 005, Compatible with Pump Type In-Line Circulating Pumps, Includes Bolts, O-Ring/Gasket, Compatible with Series Family 00