Head-to-Head Comparison
Dolphin Wave 140 vs Dolphin Explorer E20
Our pool experts compare features, filtration, specs, and value to help you pick the right robotic pool cleaner.
Dolphin Explorer E20 or Dolphin Wave 140 — which wins?
Our Recommendations
Neither the Dolphin Wave 140 nor the Dolphin Explorer E20 is one of the cleaners our pool experts promote. Consider a proven ProLine, Max-Series, or Clear model instead — each is backed by its full manufacturer warranty and our 30-day in-pool trial.
Dolphin Sigma
Open Box $2349Refurbished $1869
- Includes NanoFilters™
- Control your Sigma with Siri
- 3 Year Warranty
- Built for Inground & Above Ground pools up to 50ft
Clear UV
- World's First Pool Robot with Built-in UV-C Disinfection
- UltraBin Filter Basket with 4 UltraFilter Panels (1μm/180μm)
- Wi-Fi + Bluetooth App Control with Weekly Timer
- 3 Year Warranty - Built for Pools up to 50 ft
More ways to save on the Sigma
Certified & warranty-backedWhat Sets Them Apart
Key Differences
Wave 140
- In-Store Exclusive - Sold through pool stores only, so no online price, free shipping or 30-day trial
- Floor Only Coverage - Only cleans the floor
- No Waterline Cleaning - Won't clean the dirtiest part of your pool
- No Weekly Timer - Can't schedule cleanings
- No Anti-Tangle Swivel - The cable can twist as it cleans
Explorer E20
- No Waterline Cleaning - Won't clean the dirtest part of your pool
- No Anti-Tangle Swivel
- No NanoFilters™ - Cannot clean smaller debris and algae
- Overshadowed by the newer Gen 2 models with more features - such as the ProLine and Max-Series
Side by Side
Feature Comparison
The features that matter most when comparing the Dolphin Wave 140 and Dolphin Explorer E20.
| Feature | Wave 140 | Explorer E20 |
|---|---|---|
| Standard Filter | ||
| NanoFilters™ | ||
| Multi-Media™ | ||
| Oversized Leaf Bag | ||
| Wall Climbing | ||
| Waterline Cleaning | ||
| Hands-Off Weekly Timer | ||
| Hands-Off Daily Cleaning | ✓ No manual recharge | ✓ No manual recharge |
| Smartphone App Control | ||
| Full Filter Indicator | ||
| Gyroscope Navigation | ||
| Dual Stabilizer | ||
| Anti-Tangle Swivel | ||
| 3-Year Warranty |
Explained
Compare Features in Detail
Warranty Coverage
A robot is only as good as its warranty. The Dolphin Wave 140 is backed by a 3-year warranty, while the Dolphin Explorer E20 carries a 2-year warranty. Buying through an Authorized Dealer like Poolbots gets you the full manufacturer warranty — never pro-rated or limited by cleaning cycles — plus a 30-day in-pool trial with no restocking fees. Learn more ›
The Details
Specifications
| Wave 140 | Explorer E20 | |
|---|---|---|
| Part Number | 99997146-US | 99996148-XP |
| Waterline Cleaning | No | No |
| Multi-Media® | No | No |
| Filters Included | 1 | 1 |
| Filter Cleaning | Top Access | Top Access |
| Cleaning Coverage | Floor | Floor and Walls |
| Cleaning Cycle | 8 hours | 2 hours |
| Number of Brushes | 6 | 1 |
| Cable Length | 140 ft | 50 ft |
| Anti-Tangle Swivel | No | No |
| Pool Types | Commercial | In Ground |
| Maximum Pool Size | 127 ft | 33 ft |
| Pool Shape | Rectangle, Round, Freeform, or Kidney | Rectangle, Oval, or Freeform |
| Obstacles | — | Steps, Ladder, Drain Cover, Ledges, Pop-Ups |
| Surface | — | Gunite, Fiberglass, Vinyl, Liner |
| Media-Alert® | No | No |
| Hands-Off Weekly Timer | No | No |
| Daily Recharging Required | No | No |
| Smartphone App | No | No |
| Remote Operation | Yes | No |
| Restocking Fee | — | No |
| Warranty | 3 Years | 2 Years |
Go Deeper
Read Our Expert Reviews
Our in-depth reviews are written by pool experts to help you make an informed decision.
Dolphin Wave 140
Read Dolphin Wave 140 ReviewDolphin Explorer E20
Read Dolphin Explorer E20 ReviewKeep Comparing
Related Comparisons
VS
Dolphin Premier vs Dolphin Explorer E20
Compare →
VS
Dolphin Quantum vs Dolphin Explorer E20
Compare →
VS
Dolphin Sigma vs Dolphin Explorer E20
Compare →
VS
Dolphin Wave 140 vs Dolphin Premier
Compare →
VS
Dolphin Wave 140 vs Dolphin Escape
Compare →
VS
Dolphin Wave 140 vs Dolphin Sigma
Compare →
VS
Dolphin Wave 140 vs Clear UV
Compare →
VS
Dolphin Wave 140 vs Dolphin Quantum
Compare →Keep Exploring
What’s Next?
Still narrowing it down? These expert guides and tools make it easy to find the right pool robot for your pool — most ship free, same day.

Pool Robot Buying Guide
Everything to know before you buy your first robot.
Read more →
Robot Selector
Answer a few quick questions and get a recommendation.
Read more →
Videos
Watch reviews, comparisons, and expert how-tos.
Read more →
Pool Volume Calculator
Calculate your exact pool volume to find the right robot.
Read more →Try It in Your Own Pool for 30 Days
Every pool deserves an intelligent robot. If you don't love it, simply return it — we never charge a restocking fee. Free shipping on every order.
Talk to a Pool Expert ›



