Pentair Sta-Rite System 2 Lock Ring (27001-0054S) jonardindustries A replacement filter cartridge helps

A replacement filter cartridge helps remove suspended debris from circulating water in a compatible spa or pool system

Helps restore accurate temperature sensing and control feedback

or missing the hardware needed for secure retention

Rebuild kits help maintain pump efficiency by replacing the seals and o-rings most prone to wear over time

If the original nut is stripped

Pentair Sta-Rite System 2 Lock Ring (27001-0054S) jonardindustries A replacement filter cartridge helpsWhen a small part creates a big service issue, Pentair Sta Rite System 2 Lock Ring gives technicians and pool owners a direct replacement option for the affected assembly. Replacing worn filter hardware helps maintain pressure control, secure sealing and dependable filtration performance. Because pool systems rely on tight fits and predictable water movement, using the right replacement helps protect surrounding parts from strain. This item is a