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The HAYWARD 404200930000 is the RDX 200 Lower Sump in the Open Line configuration, designed for commercial and in-ground pool installations as a VGB-compliant drain safety component. Built from ABS material, this lower sump integrates into the RDX drain system, which is engineered to remain unblockable and virtually invisible within the pool floor or wall. It serves as the foundational housing unit of the drain assembly, securing the drain body to the pool structure and channeling water flow through the system. Licensed pool contractors and commercial aquatic facility technicians are the primary installers of this component.
This lower sump is rated for commercial and in-ground pool applications. The Open Line channel configuration supports continuous water flow management in demanding aquatic environments. It is suited for new construction installations and retrofit projects where VGB drain safety compliance is required. The RDX system's design approach makes it appropriate for public pools, recreation centers, and similar facilities where drain entrapment prevention is a code requirement.
Designed for use in commercial and in-ground pool installations as part of the RDX drain system. Intended for new construction and retrofit applications requiring VGB-compliant drain assemblies.
Installation should be performed by a licensed pool contractor in accordance with applicable local codes and ANSI/APSP standards for drain safety. Shut off all circulation pumps and depressurize the system before beginning work. The lower sump must be properly set and secured in the pool shell before the upper drain cover components are installed. Do not operate the system until the full drain assembly is confirmed complete and VGB-compliant.
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