The Pentair Sta-Rite System 3 Bulkhead Retainer Nut (24752-0050) is a direct Bulkhead Retainer Nut Replacement. This seals the bulkhead to the filter bottom. Fits the Pentair Sta-Rite models S7M120, S7M400, S8M150, S8M500, S7D75, S8D110, S8S70, S7S50, PTM50, PTM70, and PTM100.


  • Retainer Nut Replacement.
  • Plastic Construction.
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