Refresh the return-side connection with this gray Hayward locknut fitting, a practical replacement part for inlet and outlet fittings that need a secure, finished hold. It is designed for service work where a worn, cracked, or missing locknut can compromise the fit of the wall fitting or return assembly.Use this part when restoring a Hayward pool fitting, tightening an existing installation, or completing a repair where dependable thread engagement matters. The gray finish helps it blend with compatible dark gray fittings while supporting a clean, professional repair. Replacement locknut fitting for compatible Hayward inlet/outlet assemblies Helps secure return or wall fitting components Gray finish for matching select pool fittings Useful for maintenance, repair, or rebuild work Genuine Hayward part SP1023DGR