Hayward W3PHS41CST Aquanaut® 400

Hayward W3PHS41CST AquaNaut® 400 Automatic Suction Pool Cleaner

The Hayward AquaNaut® 400 is a powerful automatic suction pool cleaner engineered for larger in-ground pools and demanding cleaning environments. Built with a durable 4-wheel drive system, the AquaNaut 400 provides superior traction, stability, and climbing performance across pool floors, walls, and coves.

Equipped with Hayward’s patented V-Flex™ variable vane turbine technology, the AquaNaut 400 automatically adjusts to accommodate large debris while maintaining strong suction. This innovative design helps eliminate clogs while maximizing cleaning performance across a wide range of flow conditions.

4-Wheel Drive Traction for Larger Pools

The 4-wheel drive platform improves mobility and stability, making the AquaNaut 400 well suited for pools with deep ends, slopes, and complex shapes. Its internal steering sequences help ensure thorough cleaning coverage while maintaining optimal suction throughout the cleaning cycle.

Key Features

• Automatic suction pool cleaner for in-ground pools
• 4-wheel drive system for enhanced traction and climbing ability
• Designed for pools up to 20 ft x 40 ft
• Patented V-Flex™ turbine technology helps prevent clogging
• Handles large debris while maintaining strong suction
• Adjustable roller skirt maintains suction on uneven surfaces
• Multiple programmed steering sequences for full pool coverage
• Optimized for variable-speed pump systems