Hayward AquaNaut 200 vs 400: Unveiling the Ultimate Suction Pool Cleaner Showdown

In-Depth Comparison: Hayward AquaNaut 200 vs 400 – Unmasking the Superior Suction Power

In the realm of automated pool cleaning, the choice between the Hayward AquaNaut 200 and the Hayward AquaNaut 400 presents pool owners with distinct features catering to their unique needs. 

The AquaNaut 200, equipped with Dolphin's PowerStream technology, boasts simplicity and effective cleaning, while the AquaNaut 400, powered by Hayward's V-Flex innovation, emphasizes superior suction, climbing prowess, and versatility in tackling various debris. 

As we delve into the comparative nuances of these two robotic pool cleaners, we unravel the key differences that guide pool enthusiasts in making an informed decision. Hayward AquaNaut Comparison

Feature hayward aquanaut 200 hayward aquanaut 400
Drive System 2-wheel 4-wheel
Recommended Pool Size Up to 16' x 32' Up to 20' x 40'
V-Flex Technology
Pre-programmed Steering Sequences
Interchangeable Throats
Climbing Ability Good Excellent
Maneuverability Good Excellent
Wall Climbing Limited Excellent
Large Debris Handling Good Excellent
Variable Speed Pump Compatibility
Price Lower Higher
Warranty 1 year 2 years

Hayward AquaNaut 200 (Dolphin Nautilus 40 CC Pro):


  • Effective Cleaning: Picks up debris well, including pebbles, and climbs pool walls efficiently.
  • Easy to Use: Simple setup and operation, with convenient power button and easy retrieval using the power cord.
  • Durable and Weather-Resistant: Can withstand various weather conditions, including extreme temperatures.
  • Consistent Performance: Maintains its cleaning efficiency even after a year of use.
  • Weekly Use: Suitable for regular use, about once per week.
  • Year-Round Use: Can be used year-round, both in warm and cold months.
  • No Battery Hassle: Powered by electricity, eliminating the need for recharging or battery replacements.
  • Longevity: Still performs well after a year of use.


  • Limitation on Stairs: Unable to crawl up stairs in the pool.
  • No Remote Control: Lacks a remote control option for directing specific cleaning areas.

Buy on Amazon now : )

Buy on Amazon

Hayward AquaNaut 400 (Hayward W3PHS41CST):


  • Powerful Suction: Effectively handles large debris without clogging, thanks to the patented V-Flex variable vane turbine technology.
  • Excellent Climbing: Superior climbing power and motion on all surfaces, including walls, due to high-traction tires with rugged treads.
  • Consistent Suction: Adjustable roller skirt maintains optimal suction on uneven surfaces.
  • Versatile Flow Performance: Three interchangeable throats improve debris passage and suction performance, ideal for use with variable-speed pumps.
  • 4-Wheel Drive Capability: Offers superior power, traction, and stability for comprehensive pool cleaning.
  • Wide Pool Coverage: Suitable for larger in-ground pools up to 20 x 40 ft., providing a corner-to-corner clean.
  • No Mechanical Parts: Operates on suction, eliminating the need for mechanical parts or motors.


  • Initial Setup Adjustment: May require adjustments to achieve the correct RPM on the wheels during setup.
  • Climbing Improvement: Climbing performance may depend on the pool's pump and system condition, requiring potential maintenance.
Buy on Amazon now : )
Buy on Amazon

Key differences between the Hayward AquaNaut 200 (Dolphin Nautilus 40 CC Pro) and the Hayward AquaNaut 400 (Hayward W3PHS41CST):

  1. Hayward AquaNaut 200 (Dolphin Nautilus 40 CC Pro):

Cleaning Technology:

  • Uses Dolphin's technology, including PowerStream technology for effective pool surface cleaning.
  • Features an active scrubbing brush for efficient cleaning.

Usage and Maintenance:

  • Weekly use recommended, and sometimes requires an additional hour for hard-to-reach corners.
  • Utilizes a top-load fine filter basket for easy access and cleaning.

Additional Features:

  • No remote control option for directing cleaning areas.
  • Does not climb stairs in the pool.

Power Source:

  • Operates on electricity without the need for recharging or batteries.

2. Hayward AquaNaut 400 (Hayward W3PHS41CST):

Cleaning Technology:

  • Utilizes Hayward's V-Flex technology with a patented variable vane turbine for handling large debris without clogging.
  • Employs rugged tire treads for superior climbing power on various surfaces.

Usage and Maintenance:

  • Handles large debris effectively, even in challenging conditions with leaves, pine needles, bark, and small sticks.
  • Features adjustable roller skirt for maintaining optimal suction on uneven surfaces.

Additional Features:

  • Offers multiple pre-programmed steering sequences for complete pool coverage, including climbing walls.
  • Recommended for larger in-ground pools up to 20 x 40 ft., providing a corner-to-corner clean.

Power Source:

  • Operates on suction power, eliminating the need for mechanical parts or motors.

Setup Adjustment:

  • May require adjustments during setup to achieve the correct RPM on the wheels.

Climbing Performance:

  • Climbing performance may depend on the pool's pump and system condition, with potential improvement through maintenance.

Common Aspects:

  • Both products have positive customer reviews and high ratings.
  • Both have easy-to-clean features for debris collection.
  • Both have models suitable for in-ground pools.

In nutshell, the AquaNaut 200 (Dolphin Nautilus 40 CC Pro) focuses on effective cleaning with Dolphin's technology, while the AquaNaut 400 (Hayward W3PHS41CST) emphasizes powerful suction, climbing capabilities, and versatility in handling various debris types, especially in larger pools. The choice between them would depend on specific cleaning needs, pool size, and preference for certain features.

A Comprehensive Comparison: Hayward AquaNaut 200 vs. Hayward AquaNaut 400

Maintaining the pristine condition of an in-ground pool is a task that many pool owners seek to simplify with the aid of robotic pool cleaners. 

Two contenders in this automated cleaning arena are the Hayward AquaNaut 200 and the Hayward AquaNaut 400. Let's dive into a detailed comparison, examining the unique features and performance attributes that distinguish these two products.

Hayward AquaNaut 200: A Dolphin's Efficiency

Cleaning Technology:

The AquaNaut 200, powered by Dolphin's innovative technology, introduces users to the world of PowerStream. This cutting-edge feature, coupled with an active scrubbing brush, ensures efficient cleaning of pool surfaces. Whether it's picking up debris, crawling up walls, or navigating the pool floor, the Dolphin Nautilus 40 CC Pro proves to be a reliable companion for pool maintenance.

Additional Features:

While simplicity is a hallmark of the AquaNaut 200, it lacks a remote control option for directing its cleaning path. Furthermore, this model may encounter challenges when faced with stairs in the pool, limiting its ability to climb these features. Yet, users appreciate its easy setup and operation, relying on a convenient power button for activation.

Usage and Maintenance:

The AquaNaut 200 demonstrates its effectiveness through weekly use, ensuring that the pool stays in top-notch condition. To tackle hard-to-reach corners, an additional hour of operation may be required. The top-load fine filter basket facilitates hassle-free access and cleaning, making maintenance a straightforward task for pool owners.

Year-Round Reliability:

Notably, the AquaNaut 200's robust design allows it to withstand various weather conditions, operating seamlessly year-round. Users commend its ability to perform consistently, even after a year of use, making it a dependable addition to their pool maintenance routine.

Power Source:

Operating on electricity, the AquaNaut 200 eliminates the need for battery replacements or recharging. This ensures that the pool cleaning process remains uninterrupted, regardless of the weather conditions.

In summary, the AquaNaut 200 caters to those seeking simplicity and reliability in an automated pool cleaner. Its Dolphin technology, coupled with an active scrubbing brush, contributes to efficient cleaning, while its durability ensures year-round performance.

Hayward AquaNaut 400: Harnessing V-Flex Power

Cleaning Technology:

Stepping into the realm of the AquaNaut 400, we encounter Hayward's V-Flex technology. This patented variable vane turbine tackles large debris without clogging, showcasing the AquaNaut 400's prowess in handling challenging cleaning scenarios. 

The addition of rugged tire treads enhances climbing power on all surfaces, providing superior motion and maneuverability.

Additional Features:

The AquaNaut 400 introduces multiple pre-programmed steering sequences, ensuring complete pool coverage. Notably, this model is recommended for larger in-ground pools, up to 20 x 40 ft., offering a corner-to-corner clean. The absence of mechanical parts or motors is an advantage, as it operates solely on suction power.

Debris Handling:

One of the standout features of the AquaNaut 400 is its ability to handle large debris effectively. Users report successful cleaning even in challenging conditions with leaves, pine needles, bark, and small sticks. The adjustable roller skirt further maintains optimal suction on uneven surfaces.

Performance Adjustment:

During the initial setup, users may need to make adjustments to achieve the correct RPM on the wheels. While this may be a consideration, the AquaNaut 400's climbing performance is often contingent on the pool's pump and system condition. Regular maintenance may lead to enhanced speed and climbing capabilities.

Power Source:

Operating solely on suction power, the AquaNaut 400 eliminates the need for mechanical parts or motors. This design choice ensures reliability and durability in prolonged usage, making it an appealing option for pool owners.

Versatile Flow Performance:

Equipped with three easily interchangeable throats, the AquaNaut 400 adapts to various flow conditions, making it ideal for use with variable-speed pumps. This versatility allows for efficient debris passage and suction performance.

You May Also Like : 2024's Best Pool Vacuum for Pebble Tec: Dive into Crystal-Clear Bliss

In nutshell, the AquaNaut 400 distinguishes itself with Hayward's V-Flex technology, offering powerful suction, superior climbing capabilities, and versatility in handling different types of debris. Its suitability for larger pools positions it as a comprehensive solution for pool enthusiasts seeking optimal performance.

Choosing Your Ideal AquaNaut: Considerations and Verdict

Pool Size and Complexity:

When deciding between the AquaNaut 200 and the AquaNaut 400, the size and complexity of your pool play a crucial role. The AquaNaut 200 suits free-form pools of about 30 feet at the longest point, providing effective cleaning for smaller pool layouts. On the other hand, the AquaNaut 400's larger pool recommendation, up to 20 x 40 ft., makes it an optimal choice for those with expansive pool spaces.

Debris Handling:

Consider the types of debris prevalent in your pool. If you're contending with larger debris such as leaves and pine needles, the AquaNaut 400's V-Flex technology and adjustable roller skirt make it a formidable choice. For smaller debris and routine cleaning, the AquaNaut 200's PowerStream technology may be sufficient.

Climbing Capabilities:

The ability to climb walls and navigate stairs is another critical factor. If your pool features stairs or intricate designs that require climbing, the AquaNaut 400's rugged tire treads and climbing prowess may be advantageous. However, if stairs are not a concern, and simplicity is preferred, the AquaNaut 200 offers a reliable option.

Setup Adjustment Tolerance:

Consider your comfort level with potential setup adjustments. The AquaNaut 200 boasts a straightforward setup with minimal adjustments required. In contrast, the AquaNaut 400 may need fine-tuning during the initial setup to achieve optimal performance.

In Nutshell:

In the Hayward AquaNaut 200 vs. AquaNaut 400 debate, the ideal choice hinges on individual preferences, pool size, and specific cleaning needs. 

You May Also Like : Greenhouse shading clips : Keeping Your Plants Cooler Than a Cucumber

The AquaNaut 200's simplicity and reliability appeal to those with smaller pools seeking efficient routine cleaning. Meanwhile, the AquaNaut 400, with its V-Flex technology and versatile capabilities, caters to owners of larger pools grappling with diverse debris challenges.

Ultimately, both models uphold Hayward's legacy of providing innovative and efficient pool cleaning solutions. The choice between the AquaNaut 200 and the AquaNaut 400 is a nuanced decision, guided by your unique pool requirements and desired features.

About TOP Experts A2Z - TEAZ

Your go-to destination for expert reviews and informed guidance across a vast array of products, ensuring every purchase is a confident step towards satisfaction and excellence. AS AN AMAZON ASSOCIATE TEAZ MAY EARN FROM QUALIFYING PURCHASES.

No comments:

Post a Comment

Start typing and press Enter to search