S-TACO-955-2403RP SC/SC fits these pumps Manufacturer Part Number Model Number Series Taco 955-2403RP Upgraded SC Washer Taco #100821, #121014 TC/TS Bronze Fitted CW *with exception of U.S. Seal, all manufacturer's names, part numbers, and descriptions are used for reference purposes only. It is not implied that any part is the product of these manufacturers.