O-Ring, Buna-N, 7″ ID, 3/16″ Cross Section, Generic | 365-7470-10

Horizon is now utilizing the AS568A O-Ring standard used by the O-Ring industry in order to bring a standardized approach to the pool and spa industry. The current active Horizon part number for an o-ring is 90-423-5xxx, where xxx represents the AS568A designation. This designation ranges from -001 thru -932, in order of smallest to largest first by cross section then by diameter.
When replacing Pentair volute LA39534, verify that it is the new style as this o-ring does not fit the old style.