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Robot Pool Cleaners

Maytronics Dolphin S200

Maytronics · MSRP $799 · Launched Sep 2017

Pressure-side design with wall-and-floor coverage at an established price point. Proven durability across owner reports; cable swivel wear is the documented wear pattern.

Level II
Assisted Autonomy
5 sources reviewed ·
Ready Now
Ready to own today
Reassessed
Jun 11
View history
Robovations Score
Capable · 63 of 100
Rescored 2026-06-11
Autonomy38 / 100

30% weight

Reliability79 / 100

25% weight

Maintenance60 / 100

15% weight

Value62 / 100

15% weight

Privacy100 / 100

15% weight

Framework

How we score →

Weighted average of 5 reads, 0–100. Scored from documented evidence — we do not lab-test.

Will the Maytronics Dolphin S200 work in your pool?

Pick what matches your setup. The fit updates as you go.

Pool type
Pool size
Debris load
Coverage you want
How Maytronics Dolphin S200 holds up
Pool type
Pool size
Debris load
Coverage you want
Specifications

The full spec sheet.

Manufacturer-published values.

Priced below the category median; remaining figures sit mid-range for the class.

Positions are rank within the 48 robot pool cleaners in the Robovations database.

17.9 in19.3 inTOP11.4 in19.3 inSIDEDimensional drawing
Maytronics 99996098 · Released Sep 2017 · 21.2 lbs
This robot’s rank in categoryCategory median
Price$799$300$4,250
Weight21.2lbs7.934.5 lbs
Mapping & navigation

Pressure-side circulation with pre-programmed path following.

Lifecycle

The record since launch.

2 tracked events since launch
20182019202020212022202320242025TODAY123
  1. 1
    RELEASE · SEP 1, 2017First shipped
  2. 2
    NEWS · MAR 15, 2024Value position narrows as cordless cleaners reach sub-$800 pricing
  3. 3
    REASSESSED · JAN 10, 2025Salt-water contraindication confirmed; readiness classification updated
Ownership & reliability

How it holds up after the purchase.

Owner reports · manufacturer documentation

Stable pressure-side mechanism with minimal electronics; cable swivel is the primary wear point.

Owner reports describe consistent performance across 5+ years. No major firmware issues (no smart controls). Cable swivel replacement documented every 3–5 years; brush cartridge every 2–3 seasons. Corrosion risk in salt systems.

Owner effort~45 minhands-on time per month
Consumables$120per year, replaceable parts
Reliability trendStableowner-reported arc to date
What goes wrong, and who fixes it
Failure pointLikelihoodResolution
Cable swivel wearHose twists; cleaner circles erratically or stops.OccasionalOwner fixClean and lubricate weekly; replace swivel every 3–5 years (~$80).
Brush cartridge bristle lossReduced wall scrubbing; algae accumulation on walls.OccasionalOwner fixReplace every 2–3 seasons (~$40–60 per cartridge).
Intake basket cloggingReduced suction; cleaner stops or moves slowly.OccasionalOwner fixEmpty basket weekly during heavy leaf season; pre-skim pool.
Pump return line pressure lossCleaner will not move; requires pump diagnostics.RareOwner fixCheck for clogs in return line; verify pump pressure gauge reading.
Maintenance cadence
Weekly52×a year

Empty intake basket; rinse cable swivel and hose connections.

Monthly12×a year

Inspect brush bristles for wear; backwash filter if pressure increases.

Seasonally4×a year

Clean motor housing and intake valve; check cable for cuts or kinks.

Replace brush cartridge (~$40–60); inspect cable swivel for stiffness.

As neededVariesno fixed cadence

Lubricate cable swivel joint if hose twists; verify pump return-line pressure (typically 40–60 psi).

Safety flags
CautionPinch hazard at motor intakeSuction port can pinch fingers or small objects; supervise children and pets during operation.
CautionElectrical hazard (cord and outlet)Ensure GFCI-protected outlet; keep power cord away from pool edge and water puddles.
Common questions

What buyers actually ask.

5 answered
Operation
Does the Dolphin S200 work with above-ground pools?
No. Pressure-side cleaners require a pool pump with a dedicated return line; above-ground pools typically use simpler circulation systems. A different cleaner type (suction or cordless) would be required.
Ownership
How often do I need to replace the brush cartridge?
Owner reports indicate brush replacement every 2–3 seasons (roughly 2–3 years) depending on pool chemistry and debris load. Individual brushes cost approximately $40–60 per replacement.
Operation
Can the S200 handle heavy leaf load in fall?
Moderate leaf load yes; heavy fall debris benefits from pre-skimming. Large leaves can jam the intake; a pool skimmer should be run before the robot to avoid weekly clogs.
Ownership
What is the cable swivel, and does it need maintenance?
The cable swivel prevents the hose from twisting as the robot moves. Owner reports recommend rinsing it weekly and replacing it every 3–5 years as the mechanism wears (~$80 replacement part).
Operation
Does the S200 work in chlorine pools and salt-water systems?
Chlorine pools yes; salt-water systems are not recommended. Corrosion reports are documented on salt-water units, even with material upgrades. Manufacturer guidance specifies freshwater chlorine pools.

More in this category

Other robot pool cleaners we have classified.

Maytronics Dolphin Nautilus CC PlusII
Robot Pool Cleaners

Maytronics Dolphin Nautilus CC Plus

In-ground pools 12,000–25,000 gallons, fine debris, owner-managed cord.
Verified70/100Capable
Maytronics Dolphin E10II
Robot Pool Cleaners

Maytronics Dolphin E10

Above-ground pools 5K-12K gallons, small in-ground, floor-only coverage, manual scheduling.
Verified68/100Capable
Maytronics Dolphin EscapeII
Robot Pool Cleaners

Maytronics Dolphin Escape

Above-ground vinyl pools 5K-15K gallons, track traction priority, seasonal use, budget focus.
Verified67/100Capable
Maytronics Dolphin Nautilus CCII
Robot Pool Cleaners

Maytronics Dolphin Nautilus CC

Small to medium gunite pools, 12,000-25,000 gallons; routine floor debris; supplemental wall/waterline cleaning
Verified59/100Adequate
Cite & embed

Reference the Maytronics Dolphin S200 classification.

Embed the Autonomy Ladder™ mark or copy the citation. The mark links back to this assessment and updates if the classification changes.

RobovationsAutonomy Ladder™IIAssisted AutonomyIndependent classification
Citation
Where to next

Three ways to keep going.

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By RobovationsUpdated: Jun 14, 2026
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