Dolphin T55i Robotic Pool Cleaner
Available from authorized dealers
Dolphin T55i robotic pool cleaner for pools up to 50 ft. Compare floor, wall and waterline cleaning, filtration, warranty and availability.
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Cleans Floor, Walls and Waterline
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Pools up to 50 ft
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2-Year Maytronics Warranty
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Local Pricing & Availability
Need help? Speak to a Dolphin Pool Cleaner Specialist ProLine™
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The T55i is sold through authorized dealers. These in-stock Max-Series™ and ProLine™ alternatives can be purchased directly, with free shipping, a 30-day in-pool trial and no restocking fee.

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Why Dolphin T55i?
Floor, Wall and Waterline Cleaning
Dolphin T55i cleans the floor, walls and waterline in pools up to 50 ft, reducing the areas left for manual brushing.
Easy Top-Load Filtration
The top-load Multi-Layer filter system traps debris as the robot moves through the pool.
App-Connected Control
Use MyDolphin™ Plus for compatible controls and scheduling from your phone.
Compare
Which Dolphin is right for you?
Put any two Dolphin robots next to the T55i. Pick a model in each column.
Dolphin T55i This robot
Floor, Walls and Waterline cleaning for pools up to 50 ft with Multi-Layer filter system.
$ on Amazon
T‑SERIES POOL CLEANER
T55i Features and Performance.
Dolphin T55i cleans the floor, walls and waterline in pools up to 50 ft in a 2-hour cleaning cycle. The T55i combines multiple scrubbing brushes, a Multi-Layer filter system and guided navigation to move through the pool and collect debris. A corded power supply delivers continuous power throughout the cleaning cycle.
What's Included
Package contents can vary by dealer. Confirm the included filters, caddy and accessories before purchasing.
Dolphin T55i robotic pool cleaner
Multi-Layer filter system
Power supply and cable
Transport caddy or stand
User manual and warranty documents
POOL COVERAGE
Complete Floor-to-Waterline Coverage
Dolphin T55i cleans the floor, walls and waterline in pools up to 50 ft. Guided navigation helps it follow a consistent path in rectangular, round, freeform and kidney pools.
FILTRATION
Easy Top-Load Filtration
The top-load Multi-Layer filter system captures debris during each pass. Lift out the filter after cleaning, rinse it and reinstall it for the next cycle.
CONTROLS
Control Cleaning from Your Phone
Dolphin T55i plugs into its power supply and runs a 2-hour cleaning cycle. Set the weekly timer for recurring cleanings. Use MyDolphin™ Plus for compatible phone controls.
OWNERSHIP
Warranty and Everyday Care
T55i weighs about 18.6 lb. Rinse the filter and robot after each cycle, then store them as directed in the manual. A 2-year Maytronics manufacturer warranty is included. Ask an authorized Dolphin dealer about current pricing, inventory and included accessories.
Where to Buy
Find current pricing and availability for Dolphin T55i Robotic Pool Cleaner through an authorized Dolphin dealer.
Authorized dealer
Dolphin T55i Robotic Pool Cleaner
Dolphin T55i robotic pool cleaner for pools up to 50 ft. Compare floor, wall and waterline cleaning, filtration, warranty and availability.
Find your perfect pool robot
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