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Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out
Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000
Sale Sold Out

Dolphin S400 Wi-Fi Robotic Pool Cleaner (Discontinued) – Replaced by Dolphin S2000

99996261-US

Robotic Pool Cleaner

Discontinued Product Dolphin S400 Wi-Fi Robotic Pool Cleaner The Dolphin S400 has been discontinued by Maytronics and replaced by the newer Dolphin S2000 Robotic Pool Cleaner. This Product Has Been Discontinued The Dolphin S400 Wi-Fi Robotic Pool Cleaner is no longer in production and is no longer available for purchase.... Read More
$2,049.00 $1,799.00
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Discontinued Product

Dolphin S400 Wi-Fi Robotic Pool Cleaner

The Dolphin S400 has been discontinued by Maytronics and replaced by the newer Dolphin S2000 Robotic Pool Cleaner.

This Product Has Been Discontinued

The Dolphin S400 Wi-Fi Robotic Pool Cleaner is no longer in production and is no longer available for purchase.

Ultimate Pools recommends the Dolphin S2000 Robotic Pool Cleaner as the current replacement model. It offers modern cleaning performance, Wi-Fi control, active scrubbing, and advanced navigation for today's residential in-ground pools.

View Dolphin S2000 Replacement

If you're searching for the Dolphin S400, you've come to the right place. Although this model has been discontinued, Maytronics continues to offer advanced robotic pool cleaners with improved performance and updated features.

The Dolphin S2000 is the recommended replacement, delivering intelligent navigation, complete floor, wall, and waterline cleaning, Wi-Fi connectivity through the MyDolphin™ Plus App, and simple top-load filtration for easier maintenance.

Why Choose the Dolphin S2000?

MyDolphin™ Plus App
Wi-Fi connectivity allows scheduling, remote control, and cleaner management from your smartphone.
Complete Pool Coverage
Cleans floors, walls, waterline, steps, and compatible sun ledges.
PowerStream™ Mobility
Enhanced grip and navigation help maintain cleaning performance on vertical surfaces.
Fine & Ultra-Fine Filtration
Interchangeable filters capture everything from leaves to fine dust and algae.
Manual Drive Control
Guide the cleaner directly from the mobile app for targeted cleaning.
Current Production Model
Supported with the latest software updates, replacement parts, and manufacturer warranty.

Best For

  • Customers replacing or considering the discontinued Dolphin S400
  • In-ground pools up to 39 ft
  • Floor, wall, waterline, step, and sun ledge cleaning
  • Pool owners who want Wi-Fi app control and weekly scheduling
  • Fine and ultra-fine debris filtration

Premium 30 Specifications

Original Model Dolphin S400
Original Product Number 99996261-US
Status Discontinued
Recommended Replacement Dolphin S2000 Robotic Pool Cleaner
Pool Type Residential In-Ground Pools
Maximum Pool Size Up to 50 ft (15 m)
Cleaning Coverage Floor, Walls & Waterline
Connectivity MyDolphin™ Plus Wi-Fi App
Filtration Multi-Layer
Cable Anti-Tangling Swivel Cable
Caddy Included Yes
Replacement Product  View Dolphin S2000

Looking for the Dolphin S400?

The S400 has been replaced by the Dolphin S2000. Visit the current product page for details and purchase information.

Shop Dolphin S2000

Frequently Asked Questions

Is the Dolphin S400 still available?
No. The Dolphin S400 has been discontinued.
What replaced the Dolphin S400?
The Dolphin S400 has been replaced by the Dolphin S2000 Robotic Pool Cleaner.
Does the Dolphin S2000 have app control?
Yes. The S2000 uses the MyDolphin™ Plus app for Wi-Fi control, scheduling, and manual drive.
Where can I buy the replacement model?
You can view the replacement model here: Dolphin S2000 Robotic Pool Cleaner.
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