Pentair Sta-Rite S7D75/S8D110/DES/DEP Center Rod (23900-0039Z) precision Lighting parts should be matched

Lighting parts should be matched carefully to the existing fixture to help maintain fit

Hayward part number SX240F

The “V” thread detail matters because tank lid designs are not universal across all filter versions

and this Polaris and Zodiac version is designed for 180

this DE grid replacement filter helps support cleaner water and more dependable overall filter performance

Pentair Sta-Rite S7D75/S8D110/DES/DEP Center Rod (23900-0039Z) precision Lighting parts should be matchedThis center rod is used inside compatible Sta Rite S7D75, S8D110, DES, and DEP filter assemblies to help secure and align internal filter components. A bent, corroded, or damaged rod can make it difficult to tighten the assembly evenly and may compromise how the grids or internal parts seat inside the tank. Replacing it helps support even clamping pressure and reliable filter operation. Supports proper internal filter alignment Helps secure DE filter