Nautilus · Model 99994411-PC
Dolphin Nautilus EON 120d
Cordless cleaning for pools up to 50 feet, including steps and shallow ledges
Dolphin Nautilus EON 120d is a cordless robotic pool cleaner from Maytronics for in-ground and above-ground pools up to 50 feet long. It cleans floors, walls, the waterline, steps, sun ledges, corners and safety ledges. Coverage also includes benches and tanning ledges as shallow as 8 inches. This model is not available for purchase from Poolbots. Use this reference page for specifications, parts, manuals and troubleshooting.
11 compatible partsManual & guides4 FAQs Warranty
MSRP $1,199. Poolbots does not sell the Nautilus EON 120d: it is a reference page for owners and shoppers. Compare the Dolphins we ship free.
- Pool size
- Up to 50 ft
- Cleans
- Floor, Walls and Waterline, Steps, Sun Ledge, Corners, Safety Ledge
- Pool type
- In ground and Above Ground
- Cycle
- 2 Hours
- Warranty
- 1 year
- Filter
- BackWash Filter
- App
- Maytronics One
- Weight
- 24.2 lb
What it does
Nautilus EON 120d at a glance.
SmartMap Navigation adapts the cleaning program to your pool. JetIQ™ helps with grip and movement on stairs and uneven surfaces. DebrisLock™ captures ultra-fine particles, while automatic backwashing reduces how often the filter needs cleaning. The default cleaning cycle is 2 hours, and Maytronics rates UltraRun™ for up to 2.5 weeks of pool cleaning per charge. It suits owners who want cordless cleaning with scheduling through Maytronics One. App functions are available when the robot is out of the pool.
Who it is for
This model fits in-ground and above-ground pools up to 50 feet long, including rectangular, round, free-form and kidney shapes. It suits owners who want cordless floor, wall and waterline cleaning, plus coverage of steps, sun ledges, corners and safety ledges. A weekly timer supports scheduled cleaning.
UltraRun™ battery runtime
Maytronics rates UltraRun™ for up to 2.5 weeks of pool cleaning per charge. The default cleaning cycle is 2 hours.
Steps and shallow ledges
JetIQ™ helps with grip on stairs and uneven areas. The robot also cleans tanning ledges with water as shallow as 8 inches.
Fine filtration with backwashing
DebrisLock™ captures ultra-fine particles. Automatic backwashing helps reduce how often the filter needs cleaning.
Pool-specific navigation
SmartMap Navigation adjusts the cleaning program to your pool rather than using a one-size-fits-all program.
App controls above water
Use Maytronics One to set schedules, monitor cleaning, view alerts and troubleshoot when the robot is out of the pool.
Tech specs
Dolphin Nautilus EON 120d specifications.
As published by Maytronics for model 99994411-PC (UPC 810071228605).
Product Attributes
- Maximum Pool length
- 50 ft
- Cleaning Coverage
- Floor, Walls and Waterline, Steps, Sun Ledge, Corners, Safety Ledge
- Default Cycle Time
- 2 Hours
- Cycle Duration (hours)
- 1.5, 2, 2.5
- Warranty (years)
- 1
- Delay Feature
- No
- Weekly Timer
- Yes
- Mobile Application
- Maytronics One
- Anti Tangling Swivel
- No
- Filter Type
- BackWash Filter
Connectivity & Automation
- Automation Mode
- No
Size & Dimension
- Package Dimensions
- 22.1x17.7x12.4 inch
- Robot Weight
- 24.255 lb
- Net Height
- 11.146 inch
- Net Length
- 17.693 inch
- Net width
- 16.201 inch
Cleaning
- Filter Access
- Top Access
- Full Filter Indicator
- Yes
- Waterline Scrubbing
- Yes
- Enhanced Cleaning Cycles
- Yes
- Active Brush
- Yes
- Number of Brushes
- 2
- Brush Type
- Standard Brush
- Suction Rate
- 4000.0 gph
Pool Attributes
- Pool Shape
- Rectangular, Round, Free Shape, Kidney
- Pool Classification
- In ground and Above Ground
Other
- Remote Control
- No
Replacement parts
11 genuine parts for the Nautilus EON 120d.
Genuine Maytronics replacement parts listed for Dolphin Nautilus EON 120d include EON Backwash Filter ASSY, EON Backwash Cartridge Filters and EON Track 1PK. Charger ASSY EON and USA Switching 3W Cord are also listed for this model.
Support
Nautilus EON 120d manuals, videos and answers.
Questions about the Nautilus EON 120d
Why doesn't my cordless robot respond to the app while underwater?Fix
Short answer: Your cordless robot disconnects from Wi-Fi and Bluetooth underwater, so select its cleaning program in the app before placing it in the pool.
Cordless EON™ and Liberty 400/600 robots do not maintain a Wi-Fi or Bluetooth connection while submerged and cleaning. Once underwater, the robot follows its selected program on its own, without an active app connection.
Set the program before putting the robot in the pool
These Maytronics One app instructions apply to Dolphin EON 100, Dolphin Nautilus EON 100, Dolphin EON 120d, Dolphin Nautilus EON 120d, and Dolphin Liberty 600.
- With the robot out of the water, connect to it over Wi-Fi in the Maytronics One app.
- Choose your cleaning mode or weekly schedule (UltraRun™ Mode/Eco Mode).
- Put the robot in the pool to start the cycle. It will carry out the program you selected independently.
Reconnecting after cleaning
If the robot was previously connected, its Wi-Fi connection to the app returns automatically after you take it out of the water.
Other connection types
Corded robots can stay connected to Wi-Fi throughout cleaning because their connection runs through the power supply, which stays outside the pool.
Liberty 400 uses Bluetooth only and pairs with the MyDolphin Plus app, not the Maytronics One app.
What is the Dolphin Nautilus EON 120d cordless robotic pool cleaner?
Short answer: The Dolphin Nautilus EON 120d is a cordless pool robot that cleans floors, walls, waterline, steps, and ledges as shallow as 8 inches.
The Dolphin Nautilus EON 120d is a cordless robotic pool cleaner made by Maytronics. It cleans the pool floor, walls, waterline, and steps, plus shallow ledges in as little as 8 inches of water. There’s no cord to manage.
Applies to: Dolphin Nautilus EON 120d and Dolphin EON 120d.
What size pool does the Dolphin Nautilus EON 120d cover?
Short answer: The Dolphin Nautilus EON 120d cleans in-ground pools up to 50 ft long, including tanning ledges as shallow as 8 inches.
The Dolphin Nautilus EON 120d and Dolphin EON 120d are designed for in-ground pools up to 50 ft long.
They clean floors, walls, the waterline, steps, and corners. They also clean tanning ledges as shallow as 8 inches.
How long does the Dolphin Nautilus EON 120d run on a single charge?
Short answer: The Dolphin Nautilus EON 120d provides up to 2.5 weeks of pool cleaning on one charge with UltraRun™ battery technology.
The Dolphin Nautilus EON 120d and Dolphin EON 120d use UltraRun™ battery technology for up to 2.5 weeks of pool cleaning on a single charge.
Both operate without cords, hoses, or a booster pump.
Nautilus
Other Nautilus models.
Looking for a Nautilus EON 120d?
Maytronics sells this model through local pool stores. Compare it with the Dolphins we ship free with a 30-day trial, or find a dealer near you.
