This sealing ring will directly replace your existing ring. The kit includes the sealing ring, a replacement automatic air vent and installation instructions.
Fits Presto Models:
B601 B606B 01/PE6
B602A S-60 02/PCA6
B602B S-66 02/PCA6H
B604A SC-35 54009
B604B 01/PA6 54014
B604C 01/PA6H 633
B605A 01/PCA6 706
and all units with model numbers beggining: 01250, 01261 and 02151. (e.g., 0125001)