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Dolphin M400 Robotic Pool Cleaner Filter Cartridge

Dolphin M400 Robotic Pool Cleaner

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56 Reviews

Built to deliver a deep clean. The M400 is extremely powerful when it comes to scrubbing and filtering. This Always Connected cleaner allows you to schedule weekly cleanings and spot clean from the palm of your hand.

36 Months Limited Warranty

Always Connected
Schedule weekly cleanings and spot clean using the MyDolphin Plus App

Super Scrubbing Power
Center scrubbing brush pushes the limits for waterline cleaning

Cleans with Ease
Tangle-free swivel allows the M400 to move effortlessly around the pool

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36 Months Limited Warranty

Always Connected
Schedule weekly cleanings and spot clean using the MyDolphin Plus App

Super Scrubbing Power
Center scrubbing brush pushes the limits for waterline cleaning

Cleans with Ease
Tangle-free swivel allows the M400 to move effortlessly around the pool

MyDolphin™ Plus App

Connect your Dolphin to the cloud using your home Wi-Fi®. With the New MyDolphin™ Plus app you can remote control your Dolphin, set up cleaning programs, check operation status, get proactive care tips, and more.

2021 Dolphin Days Rebates

$50 Rebate

Promo Code: U-DDDX502021
Valid May 1, 2021 – July 31, 2021

More Information

Reviews 56

Why Customers Love the Dolphin M400 Robotic Pool Cleaner

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4.77 out of 5 stars

56 reviews

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Q&A

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Question
Maytronics Dolphin International Export Warning!
Answer
·         1. Warning if purchased for overseas use

·         1.1 All Maytronics products displayed on the www.maytronicsus.com   website (Maytronics Products) are specifically designed and modified to comply with North American laws and standards.

·         1.2 Given that the laws and standards that apply to goods and services can vary quite significantly in different jurisdictions, Maytronics US has ensured that all necessary modifications have been made to the Maytronics Products such that they meet North America’s strict product and safety standards.

·         1.3 If you have purchased for export any product with a ‘Maytronics’ brand or similar to any of the Maytronics products displayed on www.maytronicsus.com for a country outside North America, please be aware that that product is not supplied by Maytronics US and may not comply with other countries laws and standards. This may also affect the validity of any product liability insurances you may have in place.

·         1.4 If that is the case, Maytronics US has no obligation to honor any warranty or to repair or replace your product for free.

·         2. Liability

·         2.1 To the maximum extent permitted by law, we (MaytronicsUS) are not liable for any loss, damage, cost, expense or liability (whether direct, indirect, consequential, exemplary, special, punitive or otherwise) however caused, suffered by any person (including you) in connection with the purchase, manufacture or exportation of Maytronics-branded products to jurisdictions outside North America (whether in relation to supply, installation, operation, failure, use or misuse or otherwise).
Question
What is the purpose of the floats on the handle of the cleaner?
Answer
The floats are on the arm of the Dolphin. The floats are used to assist the buoyancy of the cleaner when turning on the bottom of the pool and scrubbing the waterline. To adjust the buoyancy, slide the float out on one side of the Dolphin. If the cleaner continues to have issues turning or scrubbing the waterline, pull the opposite float outward as well.
Question
What are the voltage requirements for the Dolphin power supply?
Answer
The Dolphin requires a standard 120v outlet for power.
Question
What are the ideal operating temperatures for my Dolphin cleaner?
Answer
Dolphin robotic pool cleaners are best used in temperatures between 43 and 93 degrees.
Question
Should I remove the Styrofoam from the motor unit?
Answer
No, do not remove, this is not packing material. These help the Dolphin with buoyancy within the pool.
Question
My white climbing rings are dented, are they damaged?
Answer
No, the indentions on the rings are normal and due to the product settling during shipping. The rings will reshape once saturated with water.
Question
Is my Dolphin "remote controllable"?
Answer
Yes, this Maytronics Dolphin robotic pool cleaner has access to the Manual Drive (joystick) via the MyDolphin Application. Please visit the App store via your Smart Phone and search keyword Maytronics. Download the App from the App store, launch the app and follow the prompts. Compatibility: Android version 4.3 or later; Apple iPhone 4S or higher/ starting at version 6.0 operating system. Requires connection with 3G/4G network with a minimum of 60% signal strength. Bluetooth feature must be enabled on the phone.
Question
Does my Dolphin have Bluetooth Capability?
Answer
Yes, this Dolphin robotic pool cleaner has Bluetooth capability.
Question
Can you use this cleaner in an in-ground pool?
Answer
Yes. The this Dolphin robotic pool cleaner is designed for the in-ground pool application.
Question
Can you use Dolphin cleaners in hot tubs or ponds, etc.?
Answer
No, the Dolphin is not designed to clean hot tubs or ponds.
Question
Can you leave the power supply out in the weather?
Answer
The power supply is water resistant but not waterproof. Please cover the power supply if inclement weather approaches. Do not leave the power supply in standing water. Do not allow the power supply to be submerged in the pool.
Question
Can you leave the Dolphin in the Water?
Answer
It is safe to leave your Dolphin cleaner in the water when not in use. However, (when adding chemicals to the pool) please remove the Dolphin until the proper chlorine and PH balance are obtained.
Question
Can I use my Dolphin pool cleaner with an extension cord or surge protector?
Answer
The Dolphin is not designed to be used with an extension cord or surge protector.
Question
Can I use my Dolphin in an Infinity pool?
Answer
Not all Dolphins are suitable for infinity pools, please contact Maytronics directly or your local Dolphin retailer for information regarding the models that are suitable for this pool type.
Question
Can I use a Dolphin pool cleaner with my fiberglass or vinyl pool surface?
Answer
Yes, the Dolphin is suitable to use in fiberglass or Vinyl pool surfaces.
Question
Can I purchase a Dolphin pool cleaner online with warranty service?
Answer
Maytronics offers several pool cleaners both via brick and mortar stores and via internet dealers that include warranty rights. Please refer to the ‘Residential pools’ section of our website for our product listings.
Question
Can I purchase a Dolphin pool cleaner and use it abroad?
Answer
Dolphin pool cleaners purchased in the United States must be operated in North America in order to retain the warranty rights. Using any Dolphin pool cleaner outside of North America (that is purchased in the US) voids the warranty service agreement.
Question
Can I leave the power supply unit outside in the elements?
Answer
The power supply unit is an electrical device which must be protected from the elements. When in use the unit needs to remain dry. Do not submerge the power supply unit in water as this will damage the internal components.

Pool Attributes
Pool Size/Cable Length	Up to 50 Ft
Pool Type	In-Ground
Cleaning
Filter Type	Fine, Ultra Fine
Filter Description	Cartridge, Top-load
Cleaning Coverage	Floor, Walls, Waterline
Cleaning Mode(s)	Standard
Cleaning Cycle(s)	2.5 Hours
Mobility	CleverClean™
Number of Brushes	3 Brushes
Active Brushes	1 Active
Connectivity & Automation
Remote Control	No
Wi-Fi®	Yes
MyDolphin™ Plus App	yes
Weekly Timer	Yes
Cycle Selector	No
Delay Mode	No
Full Bag Indicator	Yes
Automation Mode	Yes
Other
Anti-Tangle Swivel Cable	Yes
Cable Length	60 Ft
Warranty	36 Months Limited
Caddy Included	Included
Product Weight (robot only)	24 lbs

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Classic CoverPart Number
9991794-R1
Premium CoverPart Number
9991795-R1

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Dolphin Days are here! Get manufacturer rebates on our most popular models. Learn More ×

Dolphin M400 Robotic Pool Cleaner

MyDolphin™ Plus App

2021 Dolphin Days Rebates

$50 Rebate

Why Customers Love the Dolphin M400 Robotic Pool Cleaner

Share your thoughts!

4.77 out of 5 stars

Let us know what you think...

What others are saying

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Have another question or need additional support?

Maytronics Dolphin International Export Warning!

· 1. Warning if purchased for overseas use

· 1.1 All Maytronics products displayed on the www.maytronicsus.com website (Maytronics Products) are specifically designed and modified to comply with North American laws and standards.

· 1.4 If that is the case, Maytronics US has no obligation to honor any warranty or to repair or replace your product for free.

· 2. Liability

What is the purpose of the floats on the handle of the cleaner?

What are the voltage requirements for the Dolphin power supply?

The Dolphin requires a standard 120v outlet for power.

What are the ideal operating temperatures for my Dolphin cleaner?

Dolphin robotic pool cleaners are best used in temperatures between 43 and 93 degrees.

Should I remove the Styrofoam from the motor unit?

No, do not remove, this is not packing material. These help the Dolphin with buoyancy within the pool.

My white climbing rings are dented, are they damaged?

No, the indentions on the rings are normal and due to the product settling during shipping. The rings will reshape once saturated with water.

Is my Dolphin "remote controllable"?

Does my Dolphin have Bluetooth Capability?

Yes, this Dolphin robotic pool cleaner has Bluetooth capability.

Can you use this cleaner in an in-ground pool?

Yes. The this Dolphin robotic pool cleaner is designed for the in-ground pool application.

Can you use Dolphin cleaners in hot tubs or ponds, etc.?

No, the Dolphin is not designed to clean hot tubs or ponds.

Can you leave the power supply out in the weather?

The power supply is water resistant but not waterproof. Please cover the power supply if inclement weather approaches. Do not leave the power supply in standing water. Do not allow the power supply to be submerged in the pool.

Can you leave the Dolphin in the Water?

It is safe to leave your Dolphin cleaner in the water when not in use. However, (when adding chemicals to the pool) please remove the Dolphin until the proper chlorine and PH balance are obtained.

Can I use my Dolphin pool cleaner with an extension cord or surge protector?

Can I use my Dolphin in an Infinity pool?

Not all Dolphins are suitable for infinity pools, please contact Maytronics directly or your local Dolphin retailer for information regarding the models that are suitable for this pool type.

Can I use a Dolphin pool cleaner with my fiberglass or vinyl pool surface?

Yes, the Dolphin is suitable to use in fiberglass or Vinyl pool surfaces.

Can I purchase a Dolphin pool cleaner online with warranty service?

Maytronics offers several pool cleaners both via brick and mortar stores and via internet dealers that include warranty rights. Please refer to the ‘Residential pools’ section of our website for our product listings.

Can I purchase a Dolphin pool cleaner and use it abroad?

Can I leave the power supply unit outside in the elements?

The power supply unit is an electrical device which must be protected from the elements. When in use the unit needs to remain dry. Do not submerge the power supply unit in water as this will damage the internal components.

Product Manual

M-Line Brochure

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