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Relay expansion modules increase control flexibility
HASA Orenda is a trusted name in pool chemistry with a long history of supporting professional and homeowner pool care
This cartridge supports ongoing spa maintenance by helping to manage water chemistry
Designed for luxury and comfort
Olympic is a trusted name in pool care with a long history of providing reliable surface solutions
Hayward Star-Clear Plus Locking Knob | CX900G Spa Step Parts Relay expansion modules increase controlWhat This Part Is Used For The Hayward CX900G Star Clear Plus Locking Knob secures the filter head on compatible Star Clear Plus systems. It helps clamp the housing components together during operation. Why This Part Matters A cracked or stripped locking knob can prevent proper sealing pressure. Replacing it restores secure tank assembly and helps prevent leaks. This supports safe filter operation under normal pressure. Key Features and Specifications