Maytronics Dolphin Supreme M5 Bio Pvc

Maytronics Dolphin Supreme M5 Bio PVC Exploded View & Spare Parts

The Maytronics Dolphin Supreme M5 Bio PVC is a capable robotic pool cleaner built for thorough floor, wall, and waterline cleaning. Like all Dolphin robots in the Supreme M-series family, it shares a well-established architecture — making spare parts widely available and straightforward to source. Whether your tracks have worn smooth, your filter media needs refreshing, or you need a replacement power supply, this exploded-view diagram page gives you everything you need to identify, locate, and order the correct genuine part for your robot.

How to use the exploded-view diagram

The numbered exploded-view diagram above breaks the Dolphin Supreme M5 Bio PVC down into every individual component, from the smallest pulley gear to the full motor unit assembly. Each number corresponds directly to a part listed in the table below the diagram. To find the part you need, start by identifying the area of the robot that is worn or damaged — drive system, filtration, electrical, or chassis — then locate that region on the diagram and note the reference number. Use that number to match the correct line in the parts list, where you will find the Maytronics part number, description, and an add-to-cart button. If you are unsure which component has failed, working through the diagram systematically from the outside in is the quickest way to pinpoint the problem without unnecessary guesswork.

Tracks, brushes, and the drive system

The Dolphin Supreme M5 Bio PVC moves through your pool on a set of rubber tracks that grip all surfaces — flat floors, sloped walls, and the waterline. The “Bio PVC” designation refers to the robot’s signature PVC brushes, which are thermofused directly to the combined brush roller for a robust bond that handles the constant abrasion of pool surfaces. Over a typical season the tracks and brush roller take the most punishment of any component on the robot. Inspect the tracks for cracks, splits, or visible thinning, and check the PVC brush strips for flattening or fraying. Worn tracks cause the robot to slip or fail to climb walls, while worn brushes reduce scrubbing effectiveness and leave algae and biofilm behind. Replacing both as a pair ensures balanced traction and an even clean across the full pool surface.

Filtration: filter panels, filter bags, and the impeller

The Supreme M5 Bio PVC is compatible with both fine filter panels (cartridges) and filter bags, giving you flexibility depending on the debris load in your pool. Filter panels capture fine particles such as sand, algae spores, and sunscreen residue, while filter bags are better suited to pools with heavier leaf fall. After every cleaning cycle, remove and rinse the filter media with a garden hose; a deep soak in filter cleaner every few weeks keeps flow rates high. When panels develop tears or bags develop holes that rinsing cannot fix, replace them promptly — a compromised filter allows debris to recirculate straight back into the pool. The impeller sits directly behind the filtration chamber and drives water through the robot; if suction drops noticeably even with clean filters installed, check the impeller for hair, thread, or debris wrap that restricts its rotation.

Motor unit, floating cable, and power supply

The motor unit on the Dolphin Supreme M5 Bio PVC handles both propulsion and water flow, sealed in a watertight housing designed for continuous submersion. If the robot stops moving mid-cycle or shows erratic behaviour, the motor unit is one of the first assemblies to inspect once simpler causes — tangled cable, blocked impeller — have been ruled out. The floating cable connects the robot to the power supply and is engineered to stay buoyant at the surface so it never drags across the pool floor or tangle around the robot. Over time the cable jacket can stiffen or develop nicks near the connector ends; a damaged cable is a safety concern and should be replaced before the next use. The external power supply converts mains current to the low-voltage DC the robot requires and manages cleaning cycle timing. If the robot shows no signs of life at all, check the power supply first — it is the most common single point of failure in the electrical chain and far cheaper to replace than the motor unit.

Handle, caddy, and why genuine parts matter

The top handle makes it easy to lift the Dolphin Supreme M5 Bio PVC out of the water at the end of a cycle, and the matching Maytronics caddy (trolley) lets you wheel the robot, cable, and power supply to and from the pool without strain. Both are straightforward to replace if cracked or broken, and fitting them correctly ensures the robot is always stored safely off hard surfaces. Throughout this parts listing you will notice that every component is a genuine Maytronics original — and that distinction matters. Genuine Dolphin parts are engineered to the precise tolerances of the Supreme M5 Bio PVC: the correct rubber compound for the tracks, the exact mesh grade for the filter panels, and the right sealing ratings for the motor unit. Aftermarket alternatives may appear to fit but frequently cause premature wear on adjoining components, void your Maytronics warranty, and ultimately cost more to put right. Ordering genuine parts from poolparthub.com means your robot is back in the water performing exactly as Maytronics intended.