This o-ring is designed to replace the Volute O-Ring for TMCP and FMHP pool pumps. It is identical to: O-257, AquaFlo 92200090, Diaclear C10139, Pentair/American 421612, Pentair/Pacfab 352626, Premier 31158.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed specifications.
