Maytronics Dolphin E20

Maytronics Dolphin E20 exploded view & spare parts

The Maytronics Dolphin E20 is a compact, self-contained robotic pool cleaner designed for in-ground pools up to 33 feet in length. Weighing just 6.5 kg, it scrubs the floor and walls and filters fine debris in a single 2-hour cycle — all without a booster pump or extra hoses. Like every precision machine, it relies on a set of wear parts that need periodic attention to keep it performing at its best. This exploded-view diagram page gives you a numbered breakdown of every component in the E20, so you can pinpoint exactly what you need before you order.

Com utilitzar el diagrama numerat per trobar la peça correcta

The exploded view above separates the Dolphin E20 into its individual assemblies, each tagged with a reference number. Start by identifying the area of the robot where you see wear, damage, or reduced performance — for example, a torn track, a split brush roller, or a cracked filter panel. Match that area to the corresponding number on the diagram, then use that part number to search or browse the listings on this page. This method removes any guesswork and ensures the component you order slots straight into your existing robot without any modification. If you are unsure whether a part belongs to the E20 or a related model, check the Maytronics part number printed on the original component — it will confirm compatibility instantly.

Main replaceable parts on the Dolphin E20

The E20 is built around a modest but carefully engineered set of replaceable assemblies. The rubber cançons (drive belts) provide traction on all pool surface types, gripping tile, plaster, and vinyl alike. A single front PVC brush roller spins at twice the speed of the drive belts to agitate and lift debris from the pool floor and walls. Filter panels and filter bags sit in the top-load basket and trap both coarse and fine particles. The rotor draws water through that filter basket, while the unitat motora provides propulsion and brush drive. A 50-foot cable flotant connects the robot to the alimentació unit, which converts mains power to the low-voltage DC that drives the robot safely underwater. The ergonomic manillar makes it easy to lift the robot out of the pool, and the optional portaequipatges keeps the cable tidy and the robot off the ground between sessions.

Els elements de desgast més comuns i quan cal substituir-los

Tracks and brushes take the most punishment because they are in constant contact with abrasive pool surfaces. Inspect the tracks every season for cracks, stretching, or missing tread lugs; a track that slips or causes the robot to circle rather than travel straight needs replacing promptly. The brush roller should be checked for worn or flattened bristles — a dull brush leaves dirt behind and forces the motor to work harder. Filter panels and bags should be rinsed after every cycle and replaced once the mesh shows tears or permanent clogging that back-washing cannot clear, typically every one to two seasons depending on pool load. The impeller can become jammed with hair or debris; if suction drops noticeably, remove and inspect it. The floating cable and power supply are longer-lived but should be checked annually for kinks, cracked insulation, or connector corrosion, which can cause intermittent operation or complete failure.

Keeping the power supply and floating cable in good condition

The Dolphin E20’s power supply is the brain of the system, regulating voltage, current, and the weekly timer that lets you schedule automatic cleaning cycles. Because it sits on the pool deck and is exposed to UV, humidity, and accidental foot traffic, its casing and connectors can degrade over time. Always store the power supply in a shaded, dry spot when not in use, and never submerge it. The 50-foot floating cable should be stored loosely coiled on the caddy rather than tightly wound, which can stress the internal conductors. If you notice the robot stopping mid-cycle or the power supply showing a fault indicator, inspect the cable connector at both ends for moisture ingress or bent pins before assuming the power supply itself needs replacing.

Why genuine Maytronics parts matter for your E20

Genuine Maytronics spare parts are engineered specifically for the Dolphin E20’s tolerances, motor load, and chemical environment. Aftermarket tracks may seem identical but can stretch at a different rate, throw off the robot’s steering algorithm, and accelerate wear on the drive shafts. Non-genuine filter media may not match the E20’s 70-micron filtration standard, letting fine dust and algae spores pass straight back into the pool. Maytronics backs the E20 with a 24-month manufacturer’s warranty, and using genuine replacement parts helps protect that warranty and preserves the long-term reliability that decades of robotic pool cleaning expertise have been built into every component. All parts listed on this page are 100% genuine Maytronics items, supplied with the correct part numbers to guarantee a perfect fit first time.