Maytronics Dolphin Ex 45 CB

Maytronics Dolphin Ex 45 CB exploded view & spare parts

The Maytronics Dolphin Ex 45 CB is a capable robotic pool cleaner built around dual-drive motors and an advanced scanning system that covers the floor, walls and waterline with ease. Like every pool robot, it relies on a range of wearing parts that need periodic attention to stay in peak condition. This exploded-view diagram page gives you a numbered breakdown of every component inside the Ex 45 CB — from the drive tracks and scrubbing brushes right through to the power supply and caddy — so you can identify exactly what you need and order a genuine replacement with confidence.

How to use the exploded-view diagram to find your part

Each component in the diagram is assigned a unique reference number that matches the part numbers listed in the table below the image. Start by identifying the area of the robot where the problem lies — for example, a worn track on the underside or a cracked filter panel on top. Locate that section in the diagram, note the reference number, then find the corresponding row in the parts table to confirm the correct Maytronics part number and description before adding it to your basket. If you are unsure which numbered item corresponds to the part in your hand, compare it visually with the exploded view; the diagram shows every sub-assembly separated out so that even closely packed internal parts, such as the impeller and motor unit, are clearly distinguishable from one another.

Main replaceable parts of the Dolphin Ex 45 CB

The Ex 45 CB is built with a clearly defined set of serviceable components. The rubber drive tracks wrap around the drive wheels on each side and propel the robot across all pool surfaces. The scrubbing brushes sit beneath the unit and actively agitate dirt and algae from floors and walls. Above the brush assembly you will find the filter panels and filter bags, which trap everything from coarse leaves to fine debris. Deeper in the chassis, the impeller draws water through the filtration system, powered by the motor unit that also drives the wheels. External to the body, the anti-tangle floating cable connects the robot to the power supply, which regulates voltage and controls cleaning cycles. Finally, the handle makes lifting the robot out of the water straightforward, while the caddy keeps the unit and cable neatly stored between sessions.

Common wear items and when to replace them

Tracks and brushes are the parts most exposed to abrasion and should be inspected at the start of each pool season. Tracks that have become brittle, cracked or have lost their tread pattern will cause the robot to slip or fail to climb walls — replace them as soon as you notice reduced traction. Brushes wear down gradually and lose their ability to dislodge algae and biofilm; a noticeable decline in cleaning quality on walls is a reliable sign it is time for a new set. Filter panels and bags should be rinsed after every cleaning cycle and replaced when the mesh is torn or permanently clogged, as a restricted filter puts strain on the impeller. The impeller itself can become jammed by hair, leaves or grit, so check it regularly; any imbalance or reduced suction points to wear. The floating cable should be replaced if the outer sheath shows cuts or if the robot behaves erratically, and the power supply should be serviced or swapped if it fails to power on or deliver a stable output. The caddy and handle, while durable, can crack under UV exposure over several seasons and should be replaced to avoid dropping the robot during removal from the pool.

Why genuine Maytronics spare parts matter

Maytronics designs every Dolphin robot as a closely integrated system — motor unit, impeller, drive train and electronics are all matched to work within specific tolerances. Genuine Maytronics parts are manufactured to those exact tolerances, which means a replacement track will seat perfectly on the drive wheels, and a replacement motor unit will draw exactly the current the power supply is designed to deliver. Third-party parts may appear compatible on the surface but can introduce vibration, misalignment or electrical stress that shortens the life of surrounding components. Fitting authentic parts also protects any remaining warranty coverage on your Ex 45 CB. All parts listed on this page are 100% genuine Maytronics components, sourced directly from the manufacturer and supplied by poolparthub.com.

Ordering your Dolphin Ex 45 CB spare part

Use the reference numbers in the diagram above to locate your part, verify the description in the parts table, then add the item to your cart. All genuine Maytronics parts for the Dolphin Ex 45 CB held in stock at poolparthub.com are dispatched quickly so your robot is back in the water with minimum downtime. If you are unsure whether a part is compatible with your specific variant of the Ex 45 CB, check the model and serial number printed on the label on the underside of the unit and contact our support team before ordering — we are happy to confirm compatibility before you buy.