Waterway Plastics Anti-Vortex Main Drain Grate

Waterway Plastics Anti-Vortex Main Drain Grate

Waterway Plastics 640-2311V Anti-Vortex Main Drain Grate for pool and spa drainage systems. This 8-inch grate with collar in black helps manage suction dynamics in main drain assemblies. It is designed for professional installation in standard pool and spa plumbing. The component plays a critical role in protecting pumps by mitigating vortex formation at the drain.

Key Features

• Fits standard 8-inch drain openings with a secure collar for mounting.
• Anti-vortex geometry reduces suction swirl at the drain and helps protect the pump.
• Black finish blends with typical pool and spa surfaces.
• Simple, drop-in installation with a collar interface for common drain hardware.
• Part number reference appears in the description above.

Where This Part Is Used

Typically installed in the main drain location of the pool or spa floor, within an 8-inch opening. Used with a compatible drain body and collar assembly to secure the grate. It supports system operation by guiding water into the drain line and reducing vortex at the pump suction. It is commonly seen in floor drain assemblies, as part of a Waterway drain set, and in spa floor drain configurations. This component works with adjacent lines feeding into return lines and filter housings to maintain steady flow through the circulation loop.

Why Choose Waterway Plastics

Waterway Plastics brings decades of specialization in pool and spa components. The brand's engineering approach emphasizes consistency across product families, which simplifies installation and service. The long-term availability of spare parts supports ongoing maintenance for commercial and residential systems. The result is parts you can rely on for repeated serviceability and predictable performance in wet environments. Waterway Plastics is a reputable source for durable, ecosystem-grade drainage solutions in professional installations.