Hayward CX900F Filter Head O-Ring

What This Part Is Used For
The Hayward CX900F Filter Head O-Ring seals the filter head on compatible Star-Clear Plus systems. It prevents water from leaking between the upper and lower tank sections.

Why This Part Matters
A flattened or cracked O-ring can cause visible leaks and pressure loss. Replacing it restores a tight seal and safe operation. This helps protect equipment pads from water damage.

Key Features and Specifications

• Manufacturer part number CX900F
• Filter head O-ring
• For compatible Hayward Star-Clear Plus systems
• Seals upper and lower tank connection
• Service replacement seal

Installation and Fitment Guidance
Turn off the pump and relieve all pressure before removing the filter head. Lightly lubricate with a pool-approved lubricant before reinstalling. Confirm by manufacturer part number before ordering.

About the Hayward Brand
Hayward cartridge filters are widely installed in residential pool systems. Their service seals and O-rings are designed for routine maintenance. Genuine Hayward components help maintain proper sealing and performance.

Common Service Context
Often replaced during seasonal filter cleanings. Also common when leaks appear around the tank seam.