Circulating Pump Cartridge 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