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Hayward W3PHS21CST AquaNaut 200 2 Wheel Suction Cleaner
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Hayward AquaNaut 200 Compact 2 Wheel Suction Pool Cleaner | W3PHS21CST
The Hayward AquaNaut 200 Compact 2 Wheel Suction Pool Cleaner | W3PHS21CST combines cutting-edge engineering with durable construction to keep smaller in-ground pools spotless. Powered by Hayward’s exclusive V-Flex™ turbine technology, it maintains strong suction even at lower pump speeds while preventing clogs from larger debris. Ideal for pools up to 16’ x 32’, the two-wheel design offers agile movement and easy navigation through corners and tight spaces. Its intelligent steering system maps out cleaning paths automatically, ensuring balanced coverage on floors and coves without wasted motion or tangling.
Built for strength and adaptability, the AquaNaut 200 operates efficiently on variable-speed pumps and performs on all major pool surfaces—from vinyl and fiberglass to tile and pebble finishes. The adjustable roller skirt keeps suction constant as it moves over drains or uneven surfaces, while the heavy-duty tires provide reliable traction for smooth travel. Equipped with a 33-foot hose and interchangeable throat inserts, this model offers customizable cleaning performance and exceptional debris-handling capability in a compact, easy-to-maintain package.
Specification
| Application | New Construction, Renovation, Aftermarket |
| Parts Warranty | 3-year |
|---|---|
| Pool Type | In Ground |
| Traction System | 2 Wheel Drive |
| Pool Size | Up to 16' x 32' |
| Hose Length | 33' |
| Pool Surface | Concrete, gunite, vinyl, fiberglass, tile, pebble* |

Key Features of the Hayward AquaNaut 200 Compact 2 Wheel Suction Pool Cleaner
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V-Flex™ Turbine Innovation: Keeps suction strong at all flow rates while passing larger debris smoothly, eliminating clogging issues.
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Streamlined Two-Wheel Layout: Compact yet powerful design moves easily through tight pool areas and maintains stability throughout the cycle.
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Adaptive Steering Control: Pre-programmed movement ensures every area of the pool floor and cove is cleaned with precision and efficiency.
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Low-Flow Ready Design: Performs optimally with variable-speed or energy-saving pumps, maintaining power while cutting electricity costs.
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Automatic Roller Skirt Adjustment: Ensures steady suction and cleaning contact even when crossing seams, drains, or raised sections.
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Durable Traction Tires: Heavy-duty treads increase grip and climbing ability for consistent operation on vinyl, concrete, and fiberglass pools.
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Three Custom Throat Options: Easily switch between inserts to optimize suction and debris intake for your specific pool system.
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Complete 33-Foot Hose Kit Included: Provides full reach, flexibility, and hassle-free installation for pools up to 16’ x 32’.
What's In The Box?

The Hayward AquaNaut 200 W3PHS21CST is designed for efficient cleaning in smaller in-ground pools up to 16’ x 32’. Below are details on setup, operation, and maintenance for customers checking local prices and nearby stock availability.
Setting Up the AquaNaut 200 System
This cleaner connects directly to your pool’s suction line and includes everything needed for installation. Proper hose balancing ensures smooth movement and full coverage.
How do I set up the AquaNaut 200 suction cleaner with my pool’s pump system?
Can I check local price before purchasing the W3PHS21CST near me?
What hose configuration is recommended for pools between 15 and 30 feet?
Does the cleaner need a flow gauge during setup for correct suction?
Steering and Pool Coverage Details
The AquaNaut 200 features intelligent steering sequences and dual-wheel design to ensure consistent coverage. Learn how to optimize its navigation for your pool shape.
Why does my AquaNaut 200 steer in repeating patterns or loops?
How can I tell if the steering system is working properly in my pool?
Can local pool shops inspect or service the two-wheel drivetrain?
Does the AquaNaut 200 work well on pebble, concrete, or vinyl surfaces?
Care, Replacement, and Long-Term Performance
Keeping the AquaNaut 200 clean and serviced helps extend its lifespan. Periodic checks of its throat insert, skirt, and tires maintain strong suction and traction.
How often should I clean or replace the turbine insert on the AquaNaut 200?
Where can I find local shop stocks of AquaNaut 200 replacement parts?
What’s the typical lifespan of the tires and skirts with weekly cleaning use?
How do I clean out sand buildup that reduces suction performance?
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