Free 1-2 Day Shipping. Low Price Guarantee. Easy Returns/Exchanges.

Choose from top models from the top brands.

Free 1-2 Day Shipping. Low Price Guarantee. Easy Returns/Exchanges.

Choose from top models from the top brands.

Free 1-2 Day Shipping. Low Price Guarantee. Easy Returns/Exchanges.

Choose from top models from the top brands.

  • Dolphin Active 40
  • Dolphin Active 40 Poolside
  • Dolphin Active 40 Poolside 2
  • Dolphin Active 40 Underwater 3
  • Dolphin Active 40 Poolside Cleaning Robot 4
  • Dolphin Active 40 Underwater 5
  • Dolphin Active 40 Poolside Waterline Cleaning 6
  • Dolphin Active 40 Poolside Cleaning Robot 7
  • Dolphin Active 40 Underwater Wall Cleaning 8
  • Dolphin Active 40 Robotic Pool Cleaner

Dolphin Active 40 Product Insights

  • Waterline Scrubbing - Super efficient on vertical surfaces for optimal waterline scrubbing
  • Super Scrub - Intense scrubbing-power of pool surfaces, providing thorough cleaning
  • Weekly scheduler - Customize your weekly schedule cleaning times to fit your needs
  • Easy Access Filter - Top-load filter access for easy and convenient debris removal and cleaning
  • Plug'n'Play - Just plug it in, drop into the pool, for a hassle free clean

Shoppers ultimately bought... Compare vs.

Dolphin Sigma

Sigma adds waterline cleaning, NanoFilters™, triple motors, gyroscope, 3 year warranty + 30 Day Free Trial.

Dolphin Premier

Premier adds waterline cleaning, commercial grade motors, MultiMedia™, NanoFilters™, 3 year warranty + 30 Day Free Trial.


Active 40 Product Video

Try Risk-Free for 30 Days

Buy with Confidence

Try any robot in your pool risk-free for 30 days. We believe a pool robot is an investment, and we know you'll love it. Which is why we have a 30 Day Free Trial. If you don't love it, simply return the robot. Unlike the other guys, we never charge a restocking fee or any other fees - meaning no restocking fee ever.

Here at Poolbots, we carry only the top models for the top brands. All of our pool robots are backed by a full manufacturer's warranty - not prorated or limited to cycles like other pool robots.

Active 40 Accessories

Dolphin Universal Caddy

Easily transport your Dolphin Active 40 with the Dolphin Universal Caddy. Fits any Dolphin Robotic Pool Cleaner.

Dolphin Active 40 Specifications

Waterline Cleaning No
Wall Climbing Yes
Dual Stabilizer No
Number of Motors 2
Gallons Filtered Per Hour 4000 GPH
Filter Types Top Access
Pool Coverage Floor, Walls and Waterline
Pool Types In Ground
Pool Size 50 ft
Pool Shapes Rectangle, Oval, or Freeform
Pool Surfaces Gunite, Fiberglass, Vinyl, Liner
Cable Length 60 ft
Anti-Tangle Swivel Yes
Obstacle Avoidance Steps, Ladder, Drain Cover, Ledges, Pop-Ups
Warranty 2 Years
Brand Dolphin
Manufacturer Maytronics
Part Number 99996271-US

Compare Dolphin Active 40

Want to compare Dolphin Active 40 to other robotic pool cleaners? Read in-depth comparisons against all the top pool robots out there today. Can't decide? Live chat with our pool experts here

Read Our Reviews

Learn more about the Dolphin Active 40 on our review. Our in-depth pool robot reviews are written by our pool experts and will help you make an informed decision when purchasing a robotic pool cleaner for your pool. Read the Dolphin Active 40 Review or browser other top robotic pool cleaner reviews.

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Questions and Answers

Does Poolbots charge any restocking fees in your 30 Day Free Trial?

No, we never charge a restocking fee ever! We know a robotic pool cleaner is a big investment, which is why we offer Free 30-Day Trials on all robotic pool cleaners!

How long is the Dolphin Active 40's warranty?

As a proud Authorized Dealer for Dolphin, the Dolphin Active 40 includes a full 2 year warranty from date of purchase.

Does Dolphin Active 40 need a booster pump to work?

No! The Dolphin Active 40 is plug and play! All you need to do is unbox the unit and plug it into an outlet. No setup or assembly required!

My Dolphin Active 40 gets stuck on drains, how can I fix this?

With a main drain clip on, you can successfully avoid the robot getting stuck on your drain.

Does the Dolphin Active 40 work with saltwater pools?

Yes. The Dolphin Active 40 works with all types of pools, including freshwater and saltwater.

What types of pools does the Dolphin Active 40 work with?

The Dolphin Active 40 is compatible with the following types of pools: In-ground pools, above-ground pools, gunite pools, tile pools, fiberglass pools, and viny pools of all shapes and sizes. If you have any questions or wonder if this is the right robot for you, contact us or view our Pool Robot Guide.

Does the Dolphin Active 40 have WiFi/Bluetooth?

Yes, the Dolphin Active 40 has wifi and bluetooth that allows you to connect and control the robot from the app.

Does the Dolphin Active 40 have an app?

Yes, the Dolphin Active 40 has an app to control the robot.

How long does Nautilus CC Plus run for?

The Dolphin Active 40 cleans for 1.5, 2 hours. You can set the robot to run daily via its included programmable timer.

How much does Dolphin Active 40 weigh?

The Dolphin Active 40 weighs 19.051 lb.

How does Dolphin Active 40 work?

The Dolphin Active 40 works as an automatic robotic pool cleaner. It will vacuum, scrub, and automate your pool cleaning. With a plug and play design, all you need is an outlet to plug it into and you’re good to go. No booster pump or assembly needed.

Does Dolphin Active 40 pick up leaves?

The Dolphin Active 40 can pick up leaves. While not as effective as the Dolphin Premier, which includes an oversized leaf bag.

Does Dolphin Active 40 pick up sand, algae, or small debris?

The Dolphin Active 40 cannot perform as well as robots with NanoFiltration. As the mesh filters on Dolphin Active 40 cannot capture small particles like the newer Gen-2 NanoFilters. See all robots with NanoFiltration here.

Does Dolphin Active 40 come with NanoFilters?

The Dolphin Active 40 does not have NanoFilters. See all robots with NanoFilters here.

Does Dolphin Active 40 clean waterline?

Yes, the Dolphin Active 40 cleans the waterline.

Does Dolphin Active 40 climb walls?

Yes, the Dolphin Active 40 cleans your entire pool - including the floor, walls, and waterline.

Can the Dolphin Active 40 be plugged into an extension cord?

Yes it can!

I can power my Dolphin Active 40 on but it does not move

If your Dolphin powers on but does not move, try checking the tracks for any debris or obstructions. Also, check the drive motor and impeller for any damage or wear. If you are still having issues, contact Maytronics customer support for further assistance.

My Dolphin Active 40's power supply does not turn on when I press the power button

If your Dolphin's power supply is not turning on, check to make sure it is properly plugged in and that the outlet it is plugged into is working. If the power supply is still not turning on, contact Maytronics customer support for further assistance.

My Dolphin Active 40 is not cleaning the pool properly

If your Dolphin Active 40 is not cleaning the pool properly, try checking the filter bag for any debris or blockages. Also, check the brushes and tracks for any damage or wear. If you are still having issues, contact Maytronics customer support for further assistance.

What are the handles and the floats on my Dolphin for?

The handles on your Dolphin are for lifting and carrying the unit, while the floats are designed to help your Dolphin navigate around the pool and maintain proper buoyancy.

There seems to be something stuck in my Dolphin Active 40's' tracks – how can I get it out?

To remove any debris or obstructions from your Dolphin's tracks, turn off the power supply and carefully remove the tracks from the unit. Use a soft brush or cloth to clean the tracks and remove any debris. Once clean, reattach the tracks to the unit.

The cord is connected to the robot's power unit, but the power unit LED indication is off.

If the power unit LED indication is off even when the charger is connected, please try the following steps: 1) Unplug the power supply from the outlet and wait for 10 seconds. 2) Plug the power supply back in and check if the LED indication turns on. 3) If the LED indication still does not turn on, contact Maytronics customer support for further assistance.

Why should I register my robot?

Registering your Dolphin robotic pool cleaner allows you to receive important product updates and notifications, as well as access to exclusive content and promotions.

What's Next?

Learn more about Nanofilters™, MaxBin™, and so much more to find which pool robot is right for you. Use our Pool Robot Selector to enter your pool type and find an exact match for your swimming pool's needs or read the Best Dolphin Pool Cleaner for 2024.