Hayward Tristar/EcoStar C Impeller Screw (SPX3200Z1) andersonmfg and this G & P

and this G & P Tools version is designed for HydroAir and Balboa Hydro Jet applications using the 99-366-1125 reference

Improves service confidence and filtration quality

and this Filbur FC-3752 cartridge is designed for C-5315 and PIN20 applications

more confidence-inspiring control-system layout

Hayward Tristar/EcoStar C Impeller Screw (SPX3200Z1) andersonmfg and this G & PThe Hayward impeller screw is designed for compatible TriStar and EcoStar C pump applications where the impeller needs the correct fastening hardware. A part like this is useful because it helps secure the impeller properly within the pump assembly, supporting cleaner fitment and more dependable wet end performance. This replacement is especially useful when the original screw is stripped, corroded, bent, or missing after service work. Replacing it