Dolphin Nautilus EON 100 vs Dolphin Nautilus EON 120D

Both clean the same surfaces. At about $899 and $1,199, the table below is where the difference in price has to be found.

Dolphin Nautilus EON 100 robotic pool cleaner

Dolphin

Dolphin Nautilus EON 100

~$899

Pool fit
~49 ft150 min on floor and walls at 13 sq ft/min
Filtration
No micron figure published
Retrieval
You fish out 22.1 lb

The EON is Maytronics' newer cordless platform, and the Nautilus EON 100 is its direct-store version: 1.5, 2 or 2.5-hour cycles, steps and sun ledges listed alongside floor and walls, a filter-full indicator and the Maytronics One app.

Best for: A 50 ft pool with steps and a sun ledge, on a cordless budget

Dolphin Nautilus EON 120D robotic pool cleaner

Dolphin

Dolphin Nautilus EON 120D

~$1,199

Pool fit
~49 ft150 min on floor and walls at 13 sq ft/min
Filtration
No micron figure published
Retrieval
You fish out 24.3 lb

Maytronics' EON 120D adds two things to the EON 100: real waterline scrubbing and a backwash filter, which rinses itself rather than needing to be hosed out by hand.

Best for: Owners who hate rinsing filters more than they hate lifting 24 lb

Specification comparison of the Dolphin Nautilus EON 100 and the Dolphin Nautilus EON 120D
SpecificationDolphin Nautilus EON 100Dolphin Nautilus EON 120D
Approx. price~$899~$1,199
TypeCordless floor+wall+waterlineCordless floor+wall+waterline
PowerCordlessCordless
CleansFloor, walls, waterlineFloor, walls, waterline
Pool fit~49 ft~49 ft
Maker's pool claim50 ft50 ft
Runtime, floor + walls150 min150 min
FilterFine filter kit, top accessBackwash filter, top access
Weight22.1 lb24.3 lb
RetrievalYou fish out 22.1 lbYou fish out 24.3 lb
App controlYesYes
Caddy or docknot publishedIncluded
Pool typesin-ground, above-groundin-ground, above-ground
Warranty1 year1 year
Cost per swim season$899 floor$1,199 floor

Dolphin Nautilus EON 100: what it gives up

  • One-year warranty on the direct-store version; the dealer EON 100 carries two
  • Maytronics' own spec block says 'Waterline Scrubbing: No'
  • 22 lb with no auto-surfacing listed

Dolphin Nautilus EON 120D: what it gives up

  • One-year warranty on the Nautilus version, against three on the dealer EON 120D
  • 24.3 lb, 2.2 lb heavier than the EON 100
  • No micron rating published for the backwash filter

Full specifications: Dolphin Nautilus EON 100 · Dolphin Nautilus EON 120D