Description
Keep your Hayward® Star-Clear Plus™ cartridge filter operating safely and efficiently with the Hayward CX1750G Filter Locking Knob. This genuine OEM replacement is designed to securely fasten the filter lid to the tank, helping maintain a tight seal for dependable, leak-free filtration.
Manufactured to Hayward’s exact specifications, the CX1750G provides a precise fit for compatible Star-Clear Plus™ filters. Whether you’re replacing a worn, damaged, or missing locking knob, this durable replacement restores your filter’s performance and ensures safe operation season after season.
Key Features
- Genuine Hayward OEM Part – Engineered for an exact fit and reliable performance.
- Secures the Filter Lid – Creates a dependable seal between the lid and filter tank to help prevent leaks.
- Corrosion-Resistant Construction – Built from durable, reinforced materials for long-lasting use in demanding pool environments.
- Easy Tool-Free Installation – Hand-tightens quickly without the need for special tools.
- Reliable Replacement – Ideal for replacing cracked, damaged, or misplaced locking knobs.
Compatible Models
Designed for use with:
- Hayward® Star-Clear Plus™ C1750
- Hayward® Star-Clear Plus™ C1900
Note: This locking knob is specifically designed for the Star-Clear Plus™ C1750 and C1900 filter series and is not compatible with other Hayward® filter models.
Installation Tips
- Always shut off the pump and release all filter pressure before removing or installing the locking knob.
- Tighten by hand only. Over-tightening may damage the threads or filter lid.
- Inspect the filter lid O-ring during maintenance and replace it if worn to help maintain a proper seal and prevent leaks.
Restore the secure fit and dependable performance of your Hayward® Star-Clear Plus™ filter with the Hayward CX1750G Filter Locking Knob. A genuine OEM replacement designed for easy installation, reliable sealing, and years of dependable service.









