Dolphin Refurbished Proteus DX3 review

This is a source-based assessment of the U.S. Dolphin Refurbished Proteus DX3, Product No. 88886114-LES—not a hands-on pool test. The strongest documented fit is a corded, in-ground pool where floor and wall cleaning are enough and the measured pool length is no more than Maytronics' stated 33-ft maximum. The exact product page lists a two-hour default cycle and a weekly timer, but no mobile application or waterline scrubbing. A separate exact-number manual query currently returns no product, so important setup and care questions remain open.

Keep the refurbished SKU separate from the new DX3

Maytronics places this offer in its Genuine Refurbished Dolphins catalogue and names it Dolphin Refurbished Proteus DX3. The product number is 88886114-LES. That number matters: the library also assesses a new Dolphin Proteus DX3, Product No. 99996114-LSB. They share the DX3 family name and the manufacturer's linked product photograph, but they are not one identity and should not inherit each other's warranty, timer or package details.

The refurbished page states a one-year warranty, while the separate new 99996114-LSB page lists two years. The refurbished page also marks Weekly Timer: Yes; the new-number DX3 page marks it No. Those are specific differences in manufacturer-published fields, not a judgment about which unit will last longer. The refurbished listing does not explain its inspection or repair process, cosmetic grading, replaced parts, exact carton contents, or remaining service life. Buyers who need those details should get them for the 88886114-LES offer itself, rather than assuming that the word “refurbished” guarantees a particular standard.

Floor and wall coverage, with a 33-ft pool limit

For this exact product number, Maytronics lists floor-and-wall cleaning, an in-ground pool classification, and rectangular or round shapes. The table explicitly says Waterline Scrubbing: No. General wall-climbing language does not replace that separate waterline field, and the product page does not provide a minimum depth for steps or sun ledges, a pool-finish list, or a detailed surface qualification. Treat those as unanswered fit checks, not silent yeses.

The page's 33-ft maximum is a pool-length ceiling. It can screen out a pool longer than 33 ft, but it does not tell you whether the 50-ft cable can be routed conveniently or safely around your pool, deck, equipment and power outlet. The 50-ft cable figure is a different specification, not a promise of 50 ft of usable travel. The exact-number support query currently returns no product, so this assessment cannot supply the missing placement distance or installation steps from another model's instructions.

A weekly timer is listed, but not app control

The exact page gives a two-hour default cycle and marks Weekly Timer: Yes. It does not explain the timer's exact programming choices in the product table, and its comparison row for Cycle Duration is blank; no selectable cleaning durations are assumed here. The same page marks Mobile Application: No, Delay Feature: No and Remote Control: No. If a phone app, delayed start or detailed mode selection is essential, this listing does not document those functions.

One other row says Automation Mode: Yes but gives no definition. That unexplained label is not enough to infer Wi-Fi, external automation, a phone app, underwater control, or the weekly timer's exact behavior. Ask what the label means for Product No. 88886114-LES if it affects your decision. The product page also lists no anti-tangling swivel, so cable management should not be treated as solved by the 50-ft length alone.

What is known about the filter—and what is not

Maytronics labels the filter type “Fine Filter Kit” and the access “Top Access,” a useful starting point for a routine that involves lifting the filter out rather than opening the cleaner from below. It does not give a micron rating. Its comparison table shows a dash under Additional Filter in the Box, while separately displaying Ultra-Fine products as add-ons. That is not evidence that an additional Ultra-Fine kit ships with this SKU, nor that every add-on fits it. The page says Full Filter Indicator: No, so the owner should expect to check the filter rather than rely on that alert.

The exact product page says the robot weighs 14.796 lb and gives package dimensions of 22.3 × 17.6 × 12.8 in; these are published specifications, not independent measurements. It lists a 4,000-gallon-per-hour suction figure, also a manufacturer claim, not a cleaning test. The same page links to a model-number-specific manual route, but a direct query for 88886114-LES currently reports no products found. Until that bridge works, do not assume this model's chemistry, depth, surface, seasonal storage, impeller-cleaning or troubleshooting instructions from the new DX3 or another Dolphin manual.

Who should keep it on the shortlist?

This edition may suit a buyer whose exact pool is within the 33-ft ceiling, who needs a corded floor-and-wall option, and who is comfortable evaluating a refurbished offer after confirming its condition and warranty terms. Its weekly timer is a documented distinction from the new DX3 99996114-LSB, but neither that fact nor the shared photo establishes that the two packages are interchangeable.

Look elsewhere—or pause for more documentation—if waterline cleaning, app operation, an included Ultra-Fine kit, a confirmed caddy, shallow-step access, a specific finish approval, or a known refurbishment grade is essential. Before purchase, verify the seller's exact 88886114-LES identifier, the one-year warranty's applicable terms, which filter and power components are actually in the carton, and whether the manual and support instructions match this exact number. The available listing gives useful screening facts, but its gaps should remain part of the decision.

Sources checked

• Maytronics U.S. Refurbished Proteus DX3 page, Product No. 88886114-LES
• Maytronics exact-number manual query for 88886114-LES (currently no matching product)
• Maytronics U.S. new Proteus DX3 page, Product No. 99996114-LSB (a distinct configuration)