Pentair Sta-Rite System 2 Air Bleed Assembly (24800-0121) zurnwilkins and this Herga Electric version

and this Herga Electric version features a white threaded design with a 13/16 inch stem and 2-1/4 inch flange diameter using the 59-345-1400 reference

Supports improved surface debris capture and skimmer performance

Correct replacement matters because the best timer restores the original scheduling behavior of the equipment instead of forcing the owner to adapt to a near-fit substitute with a different switching profile

Use this part when an existing G2 Retro cleaning head is worn

White brushes in a 2 pack

Pentair Sta-Rite System 2 Air Bleed Assembly (24800-0121) zurnwilkins and this Herga Electric versionThis replacement part supports a cleaner, more dependable service outcome when the existing component is worn, missing or difficult to reuse. Replacing worn filter hardware helps maintain pressure control, secure sealing and dependable filtration performance. The design is intended to match the application called out in the product title, helping reduce guesswork during repair. It is especially useful when rebuilding around existing plumbing, filter