Help me choose
A stronger Pool Express option
Dolphin W20 and Dolphin Wave 140 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Wave 100. Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
Wave
Dolphin Wave 140
Commercial pools up to 127 ft in daily use that need floor cleaning with high capacity.
What we recommend instead
Dolphin Wave 100
Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
$4,699
Buy Dolphin Wave 100Dolphin W20 or Dolphin Wave 140: our take
Dolphin W20 and Dolphin Wave 140 are compared on pool fit, cleaning reach, debris handling, controls and ownership details. The recommendation is based on the job the robot must do—not a simple feature count.
Pool fit and cleaning reach
Both robots are intended for commercial pools. Dolphin Wave 140 has a published maximum pool length of 127 ft; the other model does not have a verified length in our source material. Dolphin W20 cleans floor, walls, and waterline; Dolphin Wave 140 cleans floor. Dolphin W20 lists Commercial-grade motors. Dolphin Wave 140 lists 6 active brushes.
Filtration and debris
Dolphin Wave 140 has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin Wave 140 has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin W20 provides no fully published timer, app or remote specification; Dolphin Wave 140 provides one-touch starts and included remote control. Dolphin W20 uses continuous corded power, while Dolphin Wave 140 uses a 140 ft corded cable.
Price, warranty and the decision
Dolphin W20 is listed at $1,999 and Dolphin Wave 140 at $8,499; Dolphin W20 is $6,500 less. Each lists a 3-year manufacturer warranty. Dolphin W20 and Dolphin Wave 140 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Wave 100. Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
Feature check: what each robot actually has
A green check means the feature is documented as included. A red X means it is documented as absent. A dash means the source does not make the feature clear.
| Feature | Dolphin W20 | Dolphin Wave 140 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | No | No |
| Large-debris filter | No | YesEdge |
| Automatic scheduling | Not listed | No |
| Smartphone app | Not listed | Not listed |
| Anti-tangle swivel | Not listed | No |
| 3-year warranty | Yes | Yes |
| No recharging between cycles | Yes | Yes |
| Built-in UV-C water treatment | No | No |
Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.
Where Dolphin W20 stands out
Dolphin W20 is the better fit for shoppers prioritizing the lower $1,999 starting price.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Is listed $6,500 lower
Where Dolphin Wave 140 stands out
Dolphin Wave 140 is the better fit for commercial pools up to 127 ft in daily use that need floor cleaning with high capacity.
- Includes a large-debris bin or bag for leaves
- Commercial robot for pools up to 127 ft
Dolphin W20 vs Dolphin Wave 140 specifications
Use pool fit first. Price and app control do not make up for a robot that cannot cover the length or surfaces you need cleaned.
| Specification | Dolphin W20 | Dolphin Wave 140 |
|---|---|---|
| Best fit | Commercial pools that need floor, wall and waterline cleaning. | Commercial pools up to 127 ft in daily use that need floor cleaning with high capacity. |
| Starting price | $1,999 | $8,499 |
| Pool type | Commercial | Inground |
| Maximum pool length | Not listed | Up to 127 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor |
| Power | Corded | Corded |
| Filtration | Not listed | Basket |
| Scheduling | Not listed | One-touch start |
| App and remote | Not listed | Not listed |
| Cable | Not listed | 140 ft |
| Robot weight | Not listed | 55.1 lb |
| Warranty | 3 years | 3 years |
Consider the stronger Pool Express option
Dolphin W20 and Dolphin Wave 140 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Wave 100. Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
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