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Polaris 9550 Sport versus Dolphin W20
Compare Features, Filters, and Warranty
W20 or 9550 Sport. Which wins?
Diving into the W20 vs 9550 Sport, our pool experts distinguish the key features you'll want to look for when choosing a pool robot. That way, you can decide between the Polaris 9550 Sport or Dolphin W20.
Compare essential features...
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9550 Sport | W20 | Sigma | Premier |
| Cleans Waterline | Yes | No |
Yes | Yes |
| NanoFiltration | No |
No |
Yes | Yes |
| MultiMedia | No |
No |
No |
Yes | Dual Stabilizer | No |
Yes | Yes | Yes | Gyroscope | No |
No |
Yes | No |
3 Year Warranty | No |
Yes | Yes | Yes |
| No Restocking Fee | Yes | Yes | Yes | Yes |
| 30 Day Trial | Yes | Yes | Yes | Yes |
| Shop Now | Buy | Buy | Buy | Buy |
Shoppers ultimately bought... Compare vs.
Dolphin Sigma
Sigma adds waterline cleaning, NanoFilters™, triple motors, gyroscope, 3 year warranty + 30 Day Free Trial.
Dolphin Premier
Premier adds waterline cleaning, commercial grade motors, MultiMedia™, NanoFilters™, 3 year warranty + 30 Day Free Trial.
Compare Polaris 9550 Sport vs Dolphin W20
| Features | 9550 Sport | W20 |
|---|---|---|
| Standard Filter |  |
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| NanoFilters™ |  |
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| MaxBin™ | |
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| Multi-Media™ | |
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| Leaf Bag | |
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| Wall Climbing | |
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| Waterline Cleaning | |
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| Programmable Timer | |
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| Full Filter Indicator | |
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| Gyroscope | |
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| Dual Stabilizer | |
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| Anti-Tangle Swivel | |
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| 3 Year Warranty | |
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Compare Features
Standard Fine Filter
These standard filters help capture larger items such as small leaves and other debris, while maximizing flow rate. However, if your pool struggles with cloudy pool water, small algae, or sand. You many want to consider a unit with NanoFilters™.
The Polaris 9550 Sport includes a standard filter.
The Dolphin W20 includes a standard filter.
Programmable Weekly Timer
An automatic pool cleaner should be automatic, right? With a programmable weekly timer, you can set the robot to clean at different intervals. So your pool robot can clean for you everyday of the week while you sit back and relax - without the need to manually turn it on and off everyday.
The Polaris 9550 Sport includes a weekly timer.
The Dolphin W20 does not include a weekly timer.
Dual Stabilizer
This essential piece to waterline cleaning allows the unit to cling to the walls of your pool - allowing a more precise and deeper clean at the waterline. Units with dual stabilizers have increased performance and agility while cleaning. It also doubles as an easy handle to pickup your robot from.
The Polaris 9550 Sport does not include a dual stabilizer.
The Dolphin W20 includes a dual stabilizer.
Anti-Tangle Cable Swivel
Say goodbye to pesky tangled cords. An anti-tangle swivel allows the robot to move 360 degrees around your pool without the cord getting tangled. So you can sit back and enjoy while your pool robot vacuums and cleans for you.
The Polaris 9550 Sport includes an anti-tangle swivel.
The Dolphin W20 includes an anti-tangle swivel.
3 Year Warranty
A robot is only as important as its warranty. By purchasing through an Authorized Maytronics Dealer such as Poolbots, you'll get the full warranty on all robotic pool cleaners available on Poolbots.com. Try any robotic pool cleaner risk-free for 30 days in your pool without any restocking fees.
The Polaris 9550 Sport includes a 2 year warranty.
The Dolphin W20 includes a 3 year warranty.
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Compare Specifications
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| Part Number | 99996904-US | |
|---|---|---|
| ASIN | B09S4NFGXB | |
| Waterline Cleaning | Yes | No |
| Multi-Media® | No | No |
| # of Filters Included: | 2 | 1 |
| Filter Cleaning | Oversized Filter Basket | Bottom Access |
| Cleaning Coverage | Floor, Walls, Waterline | Floor |
| Cleaning Cycle | 1.5 hours | 3 hours |
| Number of Brushes | - | 2 |
| Cable Length | 60ft | 80 ft |
| Anti-Tangle Swivel | Yes | Yes |
| Pool Types | In Ground | In Ground |
| Maximum Pool Size | 50 ft | 68 ft |
| Pool Shape | Rectangle, Oval, or Freeform | Rectangular, Free Shape, Hopper, Kidney, Zero (beach) entry |
| Obstacles | Steps, Ladder, Drain Cover, Ledges, Pop-Ups | Steps, Ladder, Drain Cover, Ledges, Pop-Ups |
| Surface | Concrete, Plaster, Gunite, Pebble, Tile, Vinyl Liner, Fiberglass | Gunite, Fiberglass, Vinyl, Liner |
| Media-Alert® | No | No |
| Automated Weekly Timer | Yes | No |
| Remote operation | No | Yes |
| Restocking Fee | No |
No |
| Warranty | 2 Years | 3 Years |
| Read Reviews | Polaris 9550 Sport Review | Dolphin W20 Review |
View Other Top Comparisons
Compare all of the top robotic pool cleaners from Maytronics' Dolphin, Aquabot, & More.
Read Our Reviews
Learn more about the Polaris 9550 Sport and Dolphin W20 in our reviews. Our in-depth pool robot reviews are written by our pool experts and will help you make an informed decision when purchasing a robotic pool cleaner for your pool. Read the Dolphin W20 Review, Polaris 9550 Sport Review, or browser other top robotic pool cleaner reviews.
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WHAT'S NEXT?
Try any in your own pool for 30 days.
Every pool deserves an intelligent robot. If you don't love it, simply return the robot. Unlike the other guys, we never charge a restocking fee or any other fees - meaning no restocking fee ever.
