Eight models, 30 to 50 ft

Dolphin T-Series Robotic Pool Cleaners

T-Series is the largest of Dolphin's residential lines. It climbs from the T15 floor cleaner through the 50 ft T35, T45 and T55i to the T60 flagship with Multi-Layer filtration and a 3-year warranty, plus the T2000 and T3000 that clean steps and sun ledges.

Every T-Series model side by side Free shipping · 30-day in-pool trial · expert help

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Built for the weekly routine

Is this the right line?

Who the Dolphin T-Series Lineup Suits

Pick a T-Series robot by pool length and by how much control you want. The T35 covers 50 ft pools floor to waterline on a timer; the T45 adds the app; the T55i adds Multi-Layer filtration; the T60 adds a 3-year warranty. The T2000 and T3000 are the ones with steps and ledges in their coverage.

The whole T-Series line Every model is below with its price, specs and its own page; the comparison table puts them side by side.

Good fit when

Inground pools to 50 ft
Owners who want the app (T45 and up)
Pools with steps and benches (T2000, T3000)

Strengths

The most complete ladder, with a model at every step
3-year warranty on the T60 and T3000
Multi-Layer filtration on the T55i, T60 and T3000

Before you buy

No NanoFilter™ option
T15 is floor-only with no timer
Feature overlap with the S-Series and Active lines can confuse

Next step: Open any model to see its closest match, or compare the ProLine™ robots that match the T55i and T60.

Every model

The Dolphin T-Series Lineup

Each card opens the model's own page with the full specs, reviews and buying options.

Dolphin

Dolphin T15

$719

Best for: In-ground and above-ground pools up to 30 ft, floor only

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Dolphin

Dolphin T25

$899

Best for: In-ground and above-ground pools up to 33 ft, floor & walls

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Dolphin

Dolphin T35

$1189

Best for: In-ground and above-ground pools up to 50 ft, floor, walls & waterline

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Dolphin

Dolphin T45

$1649

Best for: In-ground and above-ground pools up to 50 ft, floor, walls & waterline

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Dolphin

Dolphin T55i

$1899

Best for: In-ground and above-ground pools up to 50 ft, floor, walls & waterline

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Dolphin

Dolphin T60

$2249

Best for: In-ground pools up to 50 ft, floor, walls & waterline

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Dolphin

Dolphin T2000

$1199

Best for: In-ground and above-ground pools up to 40 ft, floor, walls, waterline, steps & ledges

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Dolphin

Dolphin T3000

$1449

Best for: In-ground and above-ground pools up to 50 ft, floor, walls, waterline, steps & ledges

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Side by side

Compare the Dolphin T-Series Lineup

Every T-Series model on published specs and current price.

Model	Dolphin Dolphin T15 $719 View details	Dolphin Dolphin T25 $899 View details	Dolphin Dolphin T35 $1189 View details	Dolphin Dolphin T45 $1649 View details	Dolphin Dolphin T55i $1899 View details	Dolphin Dolphin T60 $2249 View details	Dolphin Dolphin T2000 $1199 View details	Dolphin Dolphin T3000 $1449 View details
Power	Corded	Corded	Corded	Corded	Corded	Corded	Corded	Corded
Pool size	In-ground and above-ground up to 30 ft	In-ground and above-ground up to 33 ft	In-ground and above-ground up to 50 ft	In-ground and above-ground up to 50 ft	In-ground and above-ground up to 50 ft	In-ground up to 50 ft	In-ground and above-ground up to 40 ft	In-ground and above-ground up to 50 ft
Coverage	Floor only	Floor & walls	Floor, walls & waterline	Floor, walls & waterline	Floor, walls & waterline	Floor, walls & waterline	Floor, walls, waterline, steps & ledges	Floor, walls, waterline, steps & ledges
Control	Power supply button	Power supply + weekly timer	Power supply + weekly timer	MyDolphin™ Plus app	MyDolphin™ Plus app	MyDolphin™ Plus app	MyDolphin™ Plus app	MyDolphin™ Plus app
Filtration	Fine Filter Kit	Combine Filter Kit + Ultra-Fine Filter Kit	Fine Filter Kit + Ultra-Fine Filter Kit	Fine Filter Kit + Ultra-Fine Filter Kit	Multi-Layer	Multi-Layer + Ultra-Fine Filter Kit	Combine Filter Kit + Ultra-Fine Filter Kit	Multi-Layer + Ultra-Fine Filter Kit
Cycle time	1.5 hours (1.5 h)	2 hours	2 hours	2 hours	2 hours (1.5 h, 2 h, 2.5 h)	2 hours (1.5 h, 2 h, 2.5 h)	2.5 hours (2 h, 2.5 h, 3 h)	2.5 hours (2 h, 2.5 h, 3 h)
Warranty	2 years	2 years	2 years	2 years	2 years	3 years	2 years	3 years

Dolphin T-Series buying guide

What separates the models, and which current Dolphin to price each one against.

T15 to T3000

T15: 30 ft floors. T25: floor and walls to 33 ft with a timer. T35: 50 ft, floor to waterline. T45: adds myDolphin™ Plus. T55i: Multi-Layer filtration. T60: the flagship, with a 3-year warranty. T2000: 40 ft with steps and sun ledges. T3000: 50 ft steps-and-ledges model with Multi-Layer filtration and 3 years of coverage.

Closest matches

The T35 maps to the Cayman class, the T45 to the Quantum, the T55i and T60 to the Premier and Sigma. Every T-Series page names its match so you can price the two against each other.

In stock at Pool Robots

Frequently Bought Instead

The three robots shoppers of the Dolphin T-Series line most often order from us: comparable coverage, in stock today, free shipping and a 30-day in-pool trial.