Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
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CX3020DA | Hayward Top Closure Plate for SwimClear Multi-Cartridge C3020/C4020 Filter
Fits these models (2)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Hayward CX3020DA Top Closure Plate is a high-quality replacement component for the SwimClear™ series cartridge filters, specifically designed for models C3020, C3025, C4020, and C4025. This plate secures the cartridge stack, aligns the filter internals properly, and ensures a tight, leak-resistant seal at the top of the filter tank. Made to genuine OEM standards by Hayward, it offers durable construction that resists typical pool-environment stresses such as chemical exposure, pressure fluctuations, and temperature changes. Whether you’re restoring a tired system or upgrading during routine maintenance, this replacement plate helps maintain optimal filtration performance and extends the life of your cartridge filter.
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OEM-Grade Replacement: Built by Hayward to replace the top closure plate on SwimClear C3020/C3025 and C4020/C4025 models, ensuring full compatibility and system integrity.
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Secure Cartridge Alignment: Precisely positions and seals the cartridge pack to prevent bypass and ensure consistent flow through the media.
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Tight Seal Reliability: Designed to deliver a secure, leak-free join at the tank top, reducing the risk of bypass or air intrusion that can degrade performance.
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Durable Construction: Engineered with high-quality materials to withstand pool chemicals, pressure changes and regular service cycles for long-term reliability.
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Easy Maintenance Upgrade: Straightforward to install, giving you confidence in restoring your filter’s structural integrity and preserving peak operation.
- Hayward SwimClear Multi-Cartridge C3020 Filter
- Hayward SwimClear Multi-Cartridge C4020 Filter