The genuine Waterway Main Drain Anti-Vortex Cover 640-2311BV is an 8-inch black safety cover purpose-built to protect against suction hazards while maintaining optimal water circulation in pools and spas. Its anti-vortex engineering eliminates dangerous vortex formation over the main drain, greatly reducing entrapment risks. The cover supports a floor flow rate of 100 gallons per minute at 2.72 feet per second and a wall flow rate of 64 gallons per minute at 1.73 feet per second. Manufactured from durable, black materials, this assembly delivers dependable performance across both residential and commercial pool installations.

Key Benefits

• Anti-Vortex Protection: Engineered to neutralize vortex suction patterns, substantially reducing the danger of swimmer entrapment in pools and spas.
• Powerful Floor Flow Throughput: Delivers 100 GPM at 2.72 ft/sec in floor-mounted positions, supporting vigorous water movement and effective filtration.
• Dependable Wall Flow Capacity: Produces 64 GPM at 1.73 ft/sec when wall-mounted, giving installers flexible placement options with steady circulation.
• Heavy-Duty Pool Materials: Built from high-impact black plastic engineered to resist chemical attack, UV fading, and physical wear over time.
• Universal 8-Inch Fit: Compatible with standard main drain housings, making it an excellent choice for safety upgrades in both home and commercial pools.

What's Included

• Cover
• Frame
• Screws

Specifications

• Brand: Waterway
• Part Number: 640-2311BV

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