CX900G Locking Knob — Replacement for CX900DA (15.7 cm x 6 cm) Key benefits - Ensures secure, reliable locking of your pool or spa filter to maintain proper filtration and water quality. - Built from high-quality materials for durability and long-term performance in demanding wet environments. - Easy to install and lock, restoring safe operation quickly after maintenance or part failure. - Precisely sized for a clean fit: 15.7 cm x 6 cm. What this part does - Function: locking (feststell) knob for the CX900G pool filter; offered as a direct replacement part for the CX900DA. - Compatibility: designed to match the original component dimensions and mounting so it integrates seamlessly with your existing CX900 series filter system. - Performance: provides a firm connection that helps maintain the filter’s sealing and prevents accidental loosening during normal operation. Why you need it - Replace a worn or broken knob to avoid filter bypass, leaks, or reduced filtration efficiency. - Keep your pool or spa running safely and reliably by restoring proper locking function after routine service. - Avoid downtime: swapping this part quickly brings the unit back into full working condition. Practical use scenarios - Routine maintenance: swap in this knob when servicing the filter cartridge to ensure a dependable reassembly and seal. - Emergency repair: replace a cracked or stripped original knob to stop leaks and restore safe filtration the same day. - Equipment refurbishment: update older CX900DA units with a durable replacement knob to extend the service life of your filter system. Specifications - Model: Locking knob for CX900G; replacement part for CX900DA - Size: 15.7 cm x 6 cm - Material: manufactured from high-quality materials for durability and long-term performance in pool and spa filter systems - Function: secures and locks filter components to maintain filtration integrity Simple, effective, and made to fit—this CX900G locking knob gives you a reliable replacement that restores the intended function and safety of your CX900 series filter.