Head-to-Head Comparison

Dolphin Nautilus EON 120d vs Dolphin Explorer E20

Our pool experts compare features, filtration, specs, and value to help you pick the right robotic pool cleaner.

Dolphin Nautilus EON 120d

Explore Dolphin Nautilus →

Daily recharge required

$1199

View Nautilus EON 120d

Dolphin Explorer E20

Explore Dolphin Explorer →

★★★☆☆ 3.7 (89)

$699$799

Save $100

View Explorer E20

Dolphin Explorer E20 or Dolphin Nautilus EON 120d — which wins?

Our Recommendations

Neither the Dolphin Nautilus EON 120d nor the Dolphin Explorer E20 is one of the cleaners our pool experts promote. Consider a proven ProLine, Max-Series, or Clear model instead — each is backed by its full manufacturer warranty and our 30-day in-pool trial.

Top RecommendationMax-Series

Dolphin Escape

★★★★☆ 4.7 (315)

$669$999

Save $330

Open Box $649 Refurbished $589

Free NanoFilter Panels with Purchase
Active Brush - Scrubs 2X Faster
2 Year Warranty
Built for Above Ground and Inground Pools Up to 33ft

View Escape

Max-Series

Dolphin Cayman

★★★★☆ 4.4 (103)

$1079$1299

Save $220

Open Box $1059 Refurbished $999

Free NanoFilter Panels with Purchase
Active Brush - Scrubs 2X Faster
2 Year Warranty
Built for Above Ground and Inground Pools Up to 33ft

View Cayman

ProLine

Dolphin Quantum

★★★★☆ 4.4 (84)

$1649$1799

Save $150

Open Box $1529 Refurbished $1419

myDolphin Plus App with Weekly Timer
XXL MaxBin™ with NanoFilters
2 Year Warranty
Built for Inground & Above Ground Pools up to 50ft

View Quantum

More ways to save on the Escape

Certified & warranty-backed

Save $20

Certified Open Box · $649

Save $80

Certified Refurbished · $589

More ways to save on the Cayman

Certified & warranty-backed

Save $20

Certified Open Box · $1059

Save $80

Certified Refurbished · $999

More ways to save on the Quantum

Certified & warranty-backed

Save $120

Certified Open Box · $1529

Save $230

Certified Refurbished · $1419

What Sets Them Apart

Key Differences

Nautilus EON 120d

Not Sold by Poolbots - Maytronics sells the Nautilus EON 120d directly and through its dealers
1-Year Warranty - The Dolphin Premier and Sigma carry 3 years

Explorer E20

No Waterline Cleaning - Won't clean the dirtest part of your pool
No Anti-Tangle Swivel
No NanoFilters™ - Cannot clean smaller debris and algae
Overshadowed by the newer Gen 2 models with more features - such as the ProLine and Max-Series

Side by Side

Feature Comparison

The features that matter most when comparing the Dolphin Nautilus EON 120d and Dolphin Explorer E20.

Feature	Nautilus EON 120d	Explorer E20
Standard Filter
NanoFilters™
Multi-Media™
Oversized Leaf Bag
Wall Climbing
Waterline Cleaning
Hands-Off Weekly Timer
Hands-Off Daily Cleaning	Recharge daily	✓ No manual recharge
Smartphone App Control
Full Filter Indicator
Gyroscope Navigation
Dual Stabilizer
Anti-Tangle Swivel
3-Year Warranty

Explained

Compare Features in Detail

Smartphone App Control

App connectivity can put scheduling, cycle selection and cleaner status on your phone, although the exact controls vary by model.

Dolphin Nautilus EON 120d includes this

Dolphin Explorer E20 does not

Full Filter Indicator

Know exactly when it's time to clean. The power supply alerts you directly when the filter is full — no need to pull out the unit to check.

Dolphin Nautilus EON 120d includes this

Dolphin Explorer E20 does not

Warranty Coverage

A robot is only as good as its warranty. The Dolphin Nautilus EON 120d is backed by a 1-year warranty, while the Dolphin Explorer E20 carries a 2-year warranty. Buying through an Authorized Dealer like Poolbots gets you the full manufacturer warranty — never pro-rated or limited by cleaning cycles — plus a 30-day in-pool trial with no restocking fees. Learn more ›

Dolphin Nautilus EON 120d 1-year warranty

Dolphin Explorer E20 2-year warranty

The Details

Specifications

	Nautilus EON 120d	Explorer E20
Part Number	99994411-PC	99996148-XP
Waterline Cleaning	Yes	No
Multi-Media®	No	No
Filters Included	1	1
Filter Cleaning	Top Access	Top Access
Cleaning Coverage	Floor, Walls and Waterline, Steps, Sun Ledge, Corners, Safety Ledge	Floor and Walls
Cleaning Cycle	1.5, 2, 2.5 hours	2 hours
Number of Brushes	2	1
Cable Length	No Cable	50 ft
Anti-Tangle Swivel	No	No
Pool Types	In-Ground & Above Ground	In Ground
Maximum Pool Size	50 ft	33 ft
Pool Shape	Rectangle, Round, Freeform, or Kidney	Rectangle, Oval, or Freeform
Obstacles	—	Steps, Ladder, Drain Cover, Ledges, Pop-Ups
Surface	—	Gunite, Fiberglass, Vinyl, Liner
Media-Alert®	Yes	No
Hands-Off Weekly Timer	No	No
Daily Recharging Required	Yes	No
Smartphone App	Yes	No
Remote Operation	No	No
Restocking Fee	—	No
Warranty	1 Years	2 Years