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Zodiac MX8™

Ultra-Efficient Suction Pool Cleaning Robot

Now Included!

Zodiac MX Flow Regulator
NEW! Controls Excess Flow

The Zodiac MX8 is ready to battle your pool's toughest dirt and debris. The dual cyclonic suction enables the MX8 to move faster and deliver unsurpassed vacuum power, while requiring 30% less flow. Its ultra efficient design requires less flow than any cleaner in its class for maximum energy savings. Best choice for solar, 2-speed, and variable-speed pumps.

It has a wider cleaning path than competitor models, with a large vacuum inlet to capture larger debris. maX-drive technology promotes maximum torque and extreme maneuverability, allowing the MX8 to aggressively clean your pool walls and floors. Its twist locking hose enables quick, secure attachment to the cleaner head and the cleaner includes 39 feet of hose.


  • maX-Drive advanced dual navigation for best pool coverage with no hang ups. Thoroughly cleans floor, walls, and waterline of any size or shape pool
  • Dual Cyclonic Vacuum provides maximum suction power and extreme wall climbing ability
  • Cyclonic suction provides unsurpassed vacuum power, wider cleaning path, and largest debris intake
  • Flex-Power Turbine enables ultra-efficient operation on low flow without compromising power
  • For use on all pool surfaces
MX8Zodiac MX8 US
Feature Description
Pool Type In-Ground
Cleaner Type Inground suction cleaning robot
Connection Skimmer or 1.5" Vacuum Line
Warranty 1 Year
Hose Type Advanced Twist Lock Long life
Traction maX-Drive Technology with X-Trax
Pool Surface(s) Concrete, Tile, Vinyl and Fiberglass
FRV100BZodiac MX Flow Regulator Valve 25/PK , Bulk
W26705Zodiac Baracuda Leaf Catcher
W83108Zodiac Leaf Catcher 4/PK
W24100Zodiac Universal Return Line Div , 2/PK
W90153Zodiac 90 EYEBALL DIVERTER 1-1/2"
W90155Zodiac 90 EYEBALL DIVERTER - 2"

Cleaner does not move or moves slowly

1. Use flow gauge to verify proper flow of 3.
2. Open top hood and check for engine blockage.
3. Check underside of cleaner for blockage around the inlet.
4. Verify that the Direct Control Devices are operational and going through all cycles.
5. Check for air in system. If water in pump basket drops or you see air bubbles in the pump basket, there is air entering the system. Check hose for leaks, check hose connections, tighten all fittings and lid o-ring at the pump.

Cleaner gets stuck at stairs.

1. Obeserve cleaner for at least 5 minutes and ensure that each drive track is periodically reversing direction. If it is not, contact your dealer or service center for help.
2. Ensure the swivel on top of the cleaner rotates freely.
3. Use flow gauge to verify flow is set to 3.
4. Confirm proper hose length. Shorten if necessary.

Cleaner is stuck, but tracks are moving.

1. One of the Direction Control Devices may not be operating properly. Determine which DCD isn't operating properly and replace if necessary.
2. Flow may be too high. Ensure flow gauge is set at 3.
3. Check tracks for excessive wear.
4. Check to make sure the hose float is in the correct location.
5. Add additional hose float if necessary.

Cleaner patterns or does not cover entire pool.

1. Use flow gauge to verify a proper flow of 3.
2. Ensure return fittings are directed downward. Add a return diverter if necessary.
3. Ensure hose is not kinked or coiled. Lay the hose in the sun to straighten if necessary.
4. Verify correct hose float positioning.
5. Observe cleaner for more than 5 minutes and ensure that each drive track is periodically reversing direction. If it is not, contact your local dealer or service company for assistance.
6. Confirm proper hose length.

Cleaner stays at one end of the pool.

Monitor the cleaner for 30 minutes to ensure the cleaner is not traveling to the opposite end of the pool. Ensure the returns are diverted downward. Also ensure the flow is set at 3 on the flow gauge.

Cleaner stays on the walls or climbs too high.

1. Using the flow gauge as a guide ensure the flow gauge is set to 3. If the cleaner still climbs too much, try lowering the flow to 2 on the flow gauge.
2. Verify correct hose float positioning.

Cleaner tipping over.

1. Ensure hose float is in proper position.
2. Ensure proper hose length.

Cleaner won't climb walls.

1. Using the flow gauge as a guide, increase flow to cleaner.
2. Verify correct hose float positioning.
3. Walls may be covered with algae (especially tile and fiberglass pools). Correct water chemistry and brush walls.

Cleaning sucking air.

1. Ensure cleaner is completely submerged in the water and not sucking air.
2. Ensure the flow is set to 3 on the flow gauge.
3. Ensure the hose float is in the correct position on the hose.
4. Ensure the pool water level is not too low.
5. Check the hose for leaks.

Engine paddle broken.

May be due to misuse or being stuck on debris for a prolonged time. Replace engine assembly if necessary.

MX 8 goes in circles or doesn't run straight.

The Directional Control Device may be worn or failing. Determine which side is not reversing correctly and change the DCD on that side.

Scrubbers not spinning.

If engine is running, but the scrubbers are not, the gears are worn. Replace scrubber assembly.

Swivel jammed or broken.

1. Clear the swivel of any debris.
2. Replace top cover assembly.
3. To prevent this issue, ensure the cleaner hose is the correct length and that the flow is adjusted to 3 on the flow gauge.

Track fell off.

1. May be caused by suction being too high. Ensure flow gauge is set to 3.

Wheel Fell Off.

1. Check the wheel and wheel pin to ensure they have been assembled properly.
2. Ensure that the key of the wheel pin is aligned with the slot of the chassis.

Automatic Pool Cleaners

Zodiac MX8 Parts List

Launch our online catalog viewer to review breakout diagrams and part numbers.

Learn More
H0343700.PDFZodiac MX 8 I/O Manual (EN/FR/ESP)6.81 MB
H0408700.PDFZodiac® MX8™ Quick Start Guide2.22 MB
H0394300.PDFZodiac MX6 & Zodiac MX8 Quick Start Guide (ENG/ESP/FR)3.84 MB
SL6702.pdfZodiac MX8 Brochure (EN)1.29 MB

Product Comparison


MX Flow Regulator

Available Now!

Ensure maximum performance and longevity of your MX8™ pool cleaner with the new MX Flow Regulator.

Zodiac MX Flow Regulator

Learn More
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