Hayward RegenX RG450 Piston Knob (RGX45K)

Hayward Pool Products - Pool & Spa Parts, Replacement Components and Accessories

Hayward Pool Products is one of the world’s largest and most recognized manufacturers of pool and spa equipment, with over 90 years of industry leadership. Known for innovation, durability, and performance, Hayward designs complete pool systems used in residential and commercial applications worldwide. From circulation and filtration to heating and automation, Hayward products are trusted by pool professionals and homeowners for reliable operation, energy efficiency, and long-term value.

Hayward offers a comprehensive range of pool and spa equipment, including pool pumps, variable-speed pumps, cartridge and sand filters, DE filters, heaters, heat pumps, salt chlorination systems, automation controls, pool cleaners, lighting, valves, and replacement parts. Popular product lines include Super Pump®, TriStar®, MaxFlo®, ProSeries™ filters, AquaRite® salt systems, OmniLogic® automation, and Hayward pool cleaners. These products are engineered to work together as a complete system to improve water quality, circulation, and overall pool performance.

Hayward products are known for industry-leading performance, advanced technology, and wide compatibility. Their variable-speed pumps and automation systems help reduce energy costs, while their filtration and sanitation solutions maintain clean, balanced water. Because Hayward is one of the most widely used brands in the industry, replacement parts are readily available and designed for seamless integration. Pool professionals and homeowners choose Hayward for dependable equipment, innovation, and long-term reliability.

To select the correct Hayward part, it’s important to match your equipment model, system type, and specifications such as pump horsepower, filter size, or control system compatibility. Checking part numbers, product labels, and system diagrams ensures proper fit and performance. Choosing the right Hayward component helps maintain efficiency, extend equipment life, and prevent costly system issues.

At Bath & Spa Parts Online, we carry a wide selection of Hayward Pool Products pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.