Zodiac - 4-way valve Z900 TD50 - R08018

Zodiac – 4-way valve Z900 TD50 – R08018

The Zodiac R08018 is a genuine OEM replacement 4-way valve designed specifically for the Zodiac Z900 TD50 automatic pool cleaner. As a critical mechanical component within the Z900’s hydraulic drive system, this valve controls the directional flow of water through the cleaner, enabling it to change direction and navigate the pool floor and walls efficiently. Replacing a worn or damaged 4-way valve restores the cleaner’s ability to move predictably and cover the full pool surface without getting stuck or failing to reverse.

The 4-way valve works by alternating the path of pressurised water returned from the pool pump through the cleaner’s internal circuit. When the valve shifts position, it redirects the water jet, causing the cleaner to change its direction of travel. This mechanism is fundamental to the random-pattern cleaning performance that the Z900 range is known for. Over time, the internal seals and moving parts of this valve can wear, causing erratic movement, loss of suction efficiency, or a cleaner that no longer reverses — all of which are resolved by fitting a new genuine valve.

Technical details and compatibility

This valve is part number R08018 and is listed as a genuine Zodiac spare part compatible with the Z900 TD50 model — one of the larger, higher-capacity variants in the Z900 automatic suction cleaner series. The Z900 TD50 is engineered for pools where a powerful and consistent cleaning cycle is required. As a manufacturer-sourced component, this valve is manufactured to the original tolerances and dimensions of the factory-fitted part, ensuring a direct fit without modification.

Because this is an OEM spare, it is designed to integrate seamlessly with the existing internal housing and water channels of the Z900 TD50 cleaner. No additional adapters or tools beyond standard pool equipment maintenance tools are required for installation. As with all hydraulic components in automatic cleaners, it is advisable to inspect related hose connections and the cleaner’s internal valve housing for wear at the time of replacement.

Suitability and application

This replacement 4-way valve is intended exclusively for use with the Zodiac Z900 TD50 automatic suction-side pool cleaner. It is suitable for pool owners and service technicians who need to restore full directional function to a Z900 TD50 unit that is experiencing movement problems, erratic behaviour, or complete loss of directional change. It is not a universal part and should only be fitted to the specific model for which it is listed. If you are unsure whether your cleaner is a TD50 variant, refer to the model label on your existing Z900 unit or consult the original documentation.