Dolphin Nautilus CC Plus: will it suit your pool?

Will the Dolphin Nautilus CC Plus suit my pool?

If it’s an in-ground pool, Maytronics lists it. The pool length is less clear: the same page says “Up to 50 ft” and 40 ft.

Maytronics calls it “purpose-built for in-ground pools”, and its spec table lists the pool type as “In-Ground”. The CC Plus page doesn’t mention above-ground pools.

Maytronics, Dolphin Nautilus CC Plus page (99996403-PC); US safety instructions; user manual 8180090, page 1. Checked Nov 14, 2026.

Does the Dolphin Nautilus CC Plus clean the waterline?

Maytronics doesn’t list it. It lists the CC Plus for the floor and walls.

Maytronics’ comparison table gives the CC Plus “Floor and Walls”, and the CC Pro, CC Supreme and Titan “Floor, Walls and Waterline”. That is Maytronics’ list of what each model is made to clean, not a finding about where the robot goes in a pool.

Maytronics, CC Plus page, Robot Comparison table. Checked Nov 14, 2026.

Can it go in a saltwater pool?

Maytronics says Dolphin robots can, with salt at or below 5,000 ppm. It says this of Dolphins in general; the CC Plus page doesn’t mention salt.

Its US FAQ: “Our Dolphin robots can also be used in saltwater pools! For optimal use and maintenance, the salinity levels should not exceed 5,000 P.P.M. We recommend rinsing the robot with tap water after each cycle to avoid buildup.” The CC Plus manual and the US safety sheet give the same 5,000 ppm limit.

Maytronics, FAQ: What water conditions should I use my Dolphin?; user manual 8180090, page 8; US safety instructions. Checked Nov 14, 2026.

How long is a cleaning cycle?

Maytronics’ page says both 2 hours and 3 hours.

The CC Plus page says “clean pools in 2 hours”, “a spotless pool in under 2 hours”, and “Completes a full cleaning cycle in just 3 hours”. Its comparison table leaves the CC Plus’s cycle time blank. Our robot record shows 2 hours, with this note. The Wi-Fi model’s page lists a 2-hour default cycle; that doesn’t settle the plain CC Plus’s figure.

Maytronics also says robotic pool cleaners “are designed for day-to-day maintenance, not heavy algae removal.”

Maytronics, CC Plus page; FAQ: opening your pool after winter. Checked Nov 14, 2026.

How is it powered, and how do I set it up?

By a cord, not a battery. The robot’s floating cable plugs into a power supply by the pool, which plugs into an outlet.

Maytronics lists a “Tangle-Free Swivel Cord”, a swivel meant to reduce tangling. We didn’t find the cable length on the CC Plus page, in the manual or on the safety sheet. It weighs 20.9 lb, Maytronics says.

From the manual and Maytronics’ US safety sheet, in their words:

• “Unwind minimal required cable to cover the entire pool size, straight the cable along the pool side. Make sure there are no twists or kinks.”
• “Do not plug the power supply unit in before placing the pool cleaner in the water.”
• “The power supply must be connected only to a supply circuit that is protected by a ground fault circuit interrupter (GFCI).”
• “Do not use an extension cord to connect unit to the outlet; provide a properly located outlet.”
• “the power supply unit should be placed at least 11 cm / 4 in above ground.”
• To take it out: “Pull the floating cable gently until the robot pool cleaner has risen to the surface, then lift by the handle.” And: “Do NOT lift the robot pool cleaner from the water by its cable.”
• To carry it: “Set the robot on the edge of the pool to release the water before carrying it.”

The other 5 pool robots we list run on battery. A battery runtime and a cleaning-cycle time aren’t the same measure. Compare pool robots (not ranked).

Maytronics, user manual 8180090, pages 2–4; US safety instructions; FAQ: power supply outside; CC Plus page. Checked Nov 14, 2026.

What work is left after each clean?

Clean the filter and rinse the brushes after every cycle, Maytronics says; in a saltwater pool, rinse the robot too.

1. Filter: Maytronics calls top-loading filter cleaning “recommended after every cleaning cycle”. The box has a fine filter plus an ultra-fine filter.
2. Brushes: “Rinse all brushes with clean water after each cleaning cycle.”
3. Saltwater pools: rinse the robot with tap water after each cycle.
4. Impeller, now and then: “Dismantle the impeller cover and clean around the impeller housing, then reassemble.” Unplug the power supply first.
5. Cable: if the robot goes in circles, the manual says to “Straighten cable and lay it in the sun periodically”.
6. Water balance: Maytronics’ FAQ recommends pH 7.2–7.6 and chlorine 1.0–3.0 ppm, and says that if the pH is too high “the robot will not climb the walls”.

Maytronics, CC Plus page; user manual 8180090, pages 4–5 and 8; FAQ: water conditions; US safety instructions. Checked Nov 14, 2026.

How should I store it, and what about winter?

Out of the pool, out of the sun, and the power supply under cover.

• After each cycle, Maytronics recommends taking it out and storing the robot and power supply “away from direct sunlight, excessive heat, or cold”.
• The power supply should sit in “a covered, shaded area protected from the outdoor elements”. It is “splash-resistant, but not waterproof.”
• Off-season: “in a protected and well-ventilated area that is between the temperature 41°-113°F”, away from pool chemicals. “Coil the cable and store in dry cool area.”
• At the start of the season, the manual says to “brush any algae from the floor and walls of the pool” before using the robot.

Maytronics, FAQ: storing your Dolphin; FAQ: power supply outside; user manual 8180090, pages 6 and 8. Checked Nov 14, 2026.

What is known about the US warranty?

Maytronics’ US product page lists 1 year. We found how to register and how to claim, but not what the warranty covers.

1. 1RegisterAt registration.maytronics.com, with the 10-character serial number (on the box, the warranty card and inside the casing) and proof of purchase.
2. 2TroubleshootBought from a local dealer: ask that dealer first. Bought online, or the dealer doesn’t repair: start a claim with Maytronics’ self-service tool.
3. 3Send it inShip it “with any carrier you choose (shipping costs apply)” or take it to a Master Service Center: Georgia, Arizona, California, Pennsylvania, Illinois or Canada.

• Length: 1 year on the US product page. Maytronics says “Warranty lengths vary per model and region.”
• Why register: Maytronics lists faster warranty service and proof of ownership. We didn’t find whether registering is required for coverage.
• Parts: from maytronics.com or an authorized dealer, with the serial number. Maytronics warns that “if your robot is under warranty, attempting to replace some of the parts yourself can void the warranty”.
• Contact: Maytronics customer care, 1-888-365-7446, Monday to Friday 8 am to 5 pm Eastern.

Maytronics, CC Plus page; FAQ: registering; FAQ: repairs; FAQ: parts; registration site. Checked Nov 14, 2026.

Safety, in Maytronics’ words

From Maytronics’ Important Safety Instructions (USA), linked from the Nautilus CC Plus manual page.

• “Take the robotic pool cleaner out of the pool before allowing people to enter the pool.”
• “Position the Caddy and power supply at least 3 m / 10 ft from pool’s edge during operation.”
• “Do not use an extension cord to connect unit to the outlet; provide a properly located outlet.”
• “Operator should keep hands away from driving belt mechanism.”
• “Do not bury the cord.”

Maytronics, Important Safety Instructions, USA. Read Nov 14, 2026.

Where Maytronics’ pages disagree

Five places where two Maytronics pages give different answers. We show both until they agree.

We’ll update this table, and log it on the Changes page, if Maytronics’ pages change.

Why so many Dolphin names?

Maytronics sells more than 30 Dolphin models on its US site, several with near-identical names.

Part of the reason is Maytronics’ own sales rules: it splits robots into “brick-and-mortar only” and “internet-only” products, and dealers aren’t allowed to sell one kind in the other channel. So the model in a pool shop may not be the one you find online.

Not ranked; ordered by price. Only the CC Plus has a record on our site; the other rows are Maytronics’ own listings. Maytronics’ CC Plus page (comparison table), CC Plus w/Wi-Fi page and Brand Protection Program. Checked Nov 14, 2026.

If you’re thinking of buying one

We list one seller: Maytronics’ US store, $829 on Nov 14, 2026.

Maytronics says Dolphins are sold “through a variety of local dealers or trusted online retailers”. On the US pages we read (the product page, the FAQ and its dealer policies), it doesn’t name any of the big retailers we list (Amazon, Walmart, Best Buy, Home Depot, Lowe’s, Target), so we show Maytronics’ store only. We haven’t checked whether any big retailer is an authorized seller of this model. Pool shops and specialist dealers aren’t listed on our site.

What to check first

1. Your pool: in-ground, and within the length you’re relying on (Maytronics’ pages say 40 ft and 50 ft).
2. Waterline and app: you don’t need them, or you look at a model that lists them.
3. The outlet: GFCI-protected, at the distance Maytronics confirms for you, with no extension cord.
4. Salt: 5,000 ppm or less, if it’s a saltwater pool.
5. Upkeep: you’ll clean the filter after every cycle and store the robot out of the sun.
6. Paperwork: you’ll keep the serial number and receipt for the warranty.

See it beside the other pool robots, compare it with another, or read how to choose a pool robot. Not ranked.

Maytronics, CC Plus page; FAQ: where to buy. Checked Nov 14, 2026.

What we can’t answer yet

Maytronics’ pages don’t answer these, or answer them two ways.

1. What does the 1-year warranty cover and exclude, and is registering required?
2. How long is the cable?
3. Which brush set comes with the CC Plus?
4. Is the pool length 40 ft or 50 ft, the cycle 2 or 3 hours, and the power supply distance 10 or 12 ft?
5. Is any big retailer an authorized seller of this model?