The lock nut helps secure components on compatible Hayward Star-Clear C1750 filter assemblies, making it important for proper fit and serviceability. If the original nut is stripped, cracked, or missing, this replacement helps restore the intended connection without replacing larger filter components.Small hardware failures can slow down a cartridge cleaning or prevent the filter from being assembled correctly. Keeping the right lock nut available helps make maintenance faster and more reliable. It is a practical repair item for service technicians and pool owners maintaining Hayward cartridge filter systems. Replacement lock nut for compatible Hayward Star-Clear C1750 filters Helps secure filter components during assembly Useful for stripped, cracked, or missing lock nuts Supports smoother cartridge filter maintenance Hayward part number CX1750G
