Hayward Aquanaut 400 Suction Side Pool Cleaner, 4WD, W3PHS41CST

Mfg #:
HAY-20-1018 |
(1 review) Write a Review
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Hayward AquaNaut 400 4WD Suction Side Pool Cleaner

The Hayward Aquanaut 400 Suction Side Pool Cleaner is a 4-wheel drive model designed for larger sized pools with deep ends up to 20’ x 40’. It expertly navigates any surface while maintaining constant suction. Able to run and store multiple pre-programmed driving sequences ensuring complete pool coverage.

Handles Large Debris Without Clogging

  • Patented V-Flex™ variable vane turbine technology eliminates clogs and maximizes power at almost any flow.
  • Perfect for use with variable-speed pool pumps.

Expertly Navigates Any Surface*

  • Patented high-traction tires with rugged treads provide superior climbing power and motion on all surfaces.

Maintains Constant Suction

  • Patented adjustable roller skirt maintains optimal suction on uneven surfaces.

Advanced Steering Capability

  • Multiple pre-programmed steering sequences ensure complete pool coverage.

Optimal Suction at Almost Any Flow


Application For Concrete, Gunite, Vinyl, Fiberglass, Tile, and Pebble Surfaces. Cleans Up to 20’ x 40’ or pools with deep ends
Weight 19 lbs
Color White/Blue
Drive Sequence Turn every 11 to 14 ft
Hose Length 40 ft
Minimum Pump Size            1/2 HP or 35 gpm
Pool Size Up to 20 x 40 ft or pools with deep ends
Pool Surface Concrete, Gunite, Vinyl, Fiberglass, Tile, Pebble
Type 4 - Wheel Suction Pool Cleaner
Warranty 2-Years



  • 5

    Posted by Mark Ritter on May 28 2021

    This unit is a gem. It picked up more junk in the first 15 minutes than the Kreepy Krauly it replaced could pick up in a day. The efficiency is so rewarding!

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