Part of the Dolphin ProLine™ lineup · compare all 3 models
Dolphin Premier Robotic Pool Cleaner — Certified Open Box
- Certified Open Box: like-new condition, Maytronics-software tested
- Includes all original Multi-Media™ filters + Oversized Leaf Bag
- Full 3-year warranty coverage starting on your delivery date
- Scrubs floor, walls & waterline in inground pools up to 50 ft
- 4,500 GPH commercial-grade dual motors + 60-ft 360° swivel cord
or as low as $162.42/mo with
Make storage easier:
Dolphin Universal Caddy
$145
Why pool owners add the Universal Caddy
- Effortless Roll-to-Pool Transport – Wheel your Dolphin smoothly from patio or garage to poolside without heavy lifting
- Protects Scrubbing Brushes – Cradles the cleaner off the ground so active brushes never develop flat spots in storage
- Integrated Power Supply Mount – Locks your power supply upright off wet decks and neatly coils up to 60 ft of swivel cable
- Genuine Maytronics Fit – Engineered specifically by Maytronics to cradle residential Dolphin robotic pool cleaners
Dolphin Premium Caddy Cover
$99
Why add the Premium Caddy Cover
- All-Season UV & Rain Shield – Heavy-duty woven polyester protects plastics, tracks, and cables from harsh sun and storms
- Shields Power Supply Electronics – Keeps your caddy-mounted power supply dry, shaded, and free of dust and pollen
- Ventilated, Wind-Secure Fit – Built-in side vents prevent trapped humidity while bottom velcro straps hold firm in high winds
- Roll Without Removing – Integrated top handle slot lets you wheel your covered caddy straight into storage
*Rates from 0% APR. Subject to eligibility check. See payment terms.
Flagship Dolphin Premier Performance—For Less Than Retail
Software-Tested & Complete
Every open-box Premier is bench-verified using Maytronics diagnostic software and ships with all original Multi-Media™ filters and power supply.
Full 3-Year Warranty Included
Unlike marketplace resellers, our Authorized Dealer open-box Premier units carry full 3-year coverage starting on delivery day.
4-in-1 Multi-Media™ Filtration
Includes the Oversized Leaf Bag for heavy leaves, ultra-fine pleated panels for 2-micron silt, and standard mesh screens.
Floor, Wall & Tile Scrubbing
Dual stabilizers and twin active brushes scrub stubborn scum lines and vertical walls on gunite, fiberglass, and vinyl.
Patented 360° Anti-Tangle Swivel
60-foot swivel cord prevents tangles so your cleaner covers pools up to 50 ft uninterrupted.
Weekly Smart Timer + MediaAlert™
Schedule automatic cleanings 1–3× per week and see at a glance when the filter needs rinsing.
Tile & Waterline Scrubbing Power
Over 90% of bacteria, sunscreen oils, and algae cling to pool walls—with the heaviest concentration right along the waterline. While basic robotic cleaners stop at the floor or lower wall, the Dolphin Premier climbs all the way to the tile line and holds firm.
Dual top stabilizers and Vector Climbing traction keep the Premier planted at the surface while twin spinning brushes actively scrub away stubborn scum lines, calcium film, and biofilm.
Exclusive Multi-Media™ Filtration
The Dolphin Premier is the only Dolphin cleaner equipped with Multi-Media™ filtration—giving you four interchangeable ways to filter your pool based on the season instead of forcing one compromise basket year-round.
Snap in the Oversized Leaf Bag after fall storms or oak drops, switch to NanoFilter™ ultra-fine pleated panels for spring pollen and cloudy silt, use Standard Micro-Mesh for everyday upkeep, or pop in optional Disposable Debris Bags when you want zero cleanup.
Patented 360° Anti-Tangle Swivel
Coiled, knotted power cords starve cleaners of reach and stall them mid-pool. Maytronics' patented 360° ball-bearing cable swivel lets the Premier's 60-foot cord rotate freely on every turn, keeping full corner-to-corner reach across pools up to 50 feet.
Weekly Smart Timer & MediaAlert™
Set the Premier once to run automatically every day, every other day, or every third day—each complete cycle finishes in 3 hours. Built-in MediaAlert™ pressure sensing illuminates an LED on the power supply the moment your bag or filter cartridges reach capacity, so you never guess when to rinse.
SmartNav 2.0™ Systematic Mapping
Instead of bouncing randomly off walls, microprocessor-driven SmartNav 2.0™ scans your pool's floor slopes, steps, and wall transitions to calculate an efficient grid pattern—delivering complete coverage without wasted passes.
Commercial-Grade Dual 24V DC Motors
Borrowed from Maytronics' commercial lineup, the Premier's dual brushless 24V DC motors pump 4,500 GPH while drawing roughly 180 watts—about 5 cents of electricity per hour and up to 90% less energy than booster-pump pressure cleaners. Direct-drive HyperGrip™ continuous rubber tracks replace slip-prone wheels and drive belts for reliable climbing on gunite, pebble, fiberglass, and vinyl.
3-Year Maytronics ProLine™ Warranty
Every Dolphin Premier is backed by Maytronics' top residential 3-year warranty and modular construction designed for rapid service—giving you years of dependable, hands-off pool care.
"The best robotic pool cleaner we've ever tested"
"The ProLine flagship left an impression as the best robotic pool cleaner we've ever tested—especially in pools with heavy leaves and fine silt." — Kelly E., PoolPad
Read PoolPad's Dolphin Premier ReviewIndependent Hands-On Reviews
Watch the Dolphin Premier in Action
Same ProLine™ Flagship—Verified & Discounted
Our Certified Open Box Dolphin Premier units come from customer box-openings or packaging swaps with minimal-to-zero water hours. Technicians test every motor, sensor, swivel, and power supply via official Maytronics diagnostic software, verify that every Multi-Media™ filter kit (Oversized Leaf Bag, Ultra-Fine Cartridges, and Standard Mesh) is in the box, and back your purchase with a full 3-year warranty plus our 30-day return window.
Unmatched Seasonal Debris Versatility
Once in your pool, it performs identically to a factory-sealed Dolphin Premier: 4,500 GPH commercial-grade dual DC motors, HyperGrip™ continuous tracks, SmartNav 2.0™ scanning, full waterline scrubbing, and programmable Weekly Smart Timer operation with MediaAlert™ full-filter LED.
Dolphin Premier (Open Box) Specs
Dolphin Premier (Open Box) FAQ
What is the difference between Open Box and Refurbished on the Dolphin Premier?
Open Box units are like-new returns (often opened packaging only) with all original accessories. Certified Refurbished Premier units have seen prior pool use, undergo full part replacement/servicing, and are graded Excellent, Good, or Fair for deeper savings.
Does the Open Box Dolphin Premier still get the 3-year warranty?
Yes—our Certified Open Box Dolphin Premier includes full 3-year warranty coverage starting on your date of delivery. Review our warranty page for full terms.
Are all the Multi-Media filters and Oversized Leaf Bag included?
Yes. Every open-box unit ships complete with the Oversized Leaf Bag, ultra-fine pleated panels, standard micro-filter panels, filter frame, and Weekly Smart Timer power supply.
Can I return an Open Box Dolphin Premier if it doesn't fit my pool?
Yes—eligible open-box cleaners are covered by our 30-day return policy.
We’re Here Long After Delivery Day
3-Year Warranty (Starts on Delivery)
Diagnostic-inspected with Maytronics software and backed by full 3-year warranty coverage starting the day your cleaner arrives. See warranty details.
30-Day Returns
If it isn’t right for your pool, start a return within 30 days.
Fast, Free Shipping
Your cleaner ships fast and free on qualifying orders, ready for its first run.
Let the robot clean the pool. Let ICO watch the water.
ICO tests your water every hour and tells you exactly what to add—before cloudy water or algae ruins the weekend.
- Measures pH, ORP, and water temperature every hour
- Exact chemical amounts in the free iOS & Android app
- Warns you before heat or rain knocks the water out of balance
- Versions for chlorine/bromine and salt water pools (salt also tracks TDS)
ICO - The Smart Pool Water Monitor
Hourly water readings and exact dosing help—without another subscription.
Which type of pool do you have?
Complete Your Setup
Make poolside transport effortless and shield your cleaner and power supply between cycles.
How the Dolphin Premier (Open Box) Stacks Up
See what spending more—or less—changes in pool size, filtration, warranty, and everyday convenience.
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|---|---|---|---|---|---|
| Best for | Heavy leaves & debris | Best all-around inground pick | Premium clean without the UV price | Cleaner, sanitised water | Heavy leaves & debris |
| Cleaning coverage | Floor, walls & waterline | Floor, walls & waterline | Floor, walls & waterline | Floor, walls & waterline | Floor, walls & waterline |
| Filtration | Multi-Media™ (4 media + leaf bag) + NanoFilters™ | XXL MaxBin™ top-load + NanoFilters™ | UltraFilter™ (1μm / 180μm) | UltraFilter™ (1μm / 180μm) | Multi-Media™ (4 media + leaf bag) + NanoFilters™ |
| Warranty | 3 years | 2 years | 3 years | 3 years | 3 years |
| Climbs walls | |||||
| Scrubs waterline | |||||
| Ultra-fine filtration | |||||
| Wi-Fi + app control | — | — | |||
| UV water clarifier | — | — | — | — |
Specs are based on manufacturer data; prices can change. Build your own comparison →
*Rates from 0% APR or 10–36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers: affirm.com/licenses.