Hayward CX400BA Filter Head with Check Valve

What This Part Is Used For
The Hayward CX400BA Filter Head with Check Valve serves as the top housing assembly for compatible filter systems. The integrated check valve helps control water flow direction.

Why This Part Matters
A cracked head or failed check valve can lead to leaks or backflow issues. Replacing it restores proper sealing and controlled flow. This supports consistent filtration performance.

Key Features and Specifications

• Manufacturer part number CX400BA
• Filter head with integrated check valve
• For compatible Hayward filter systems
• Top housing assembly component
• Supports controlled water flow

Installation and Fitment Guidance
Shut off the pump and relieve pressure before removal. Inspect tank O-ring and locking hardware during installation. Confirm by manufacturer part number before ordering.

About the Hayward Brand
Hayward manufactures cartridge filter systems with serviceable housing assemblies. Their replacement heads are widely supported in field service. Pool professionals rely on genuine Hayward components for proper fit.

Common Service Context
Often replaced after freeze damage or housing cracks. Also common when check valves fail.