Description
Astralpool prefilter basket 4405010402
The Astralpool prefilter basket 4405010402 is the original replacement basket for the strainer compartment on selected Astralpool pool pumps. It sits directly under the transparent lid and captures leaves, insects and coarse debris before they reach the impeller and filter, helping to protect the hydraulic system and maintain stable water flow.
Main features of the prefilter basket 4405010402
- Original style Astralpool prefilter basket for compatible pumps.
- Rigid plastic construction for daily use in residential pool plant rooms.
- Fine grid design that traps coarse dirt while keeping head loss under control.
- Carefully matched dimensions for a perfect fit in the prefilter housing.
Function in the pump prefilter section
The prefilter basket is the first line of defence for the circulation pump. Installed in the suction chamber, it stops larger debris from entering the hydraulic body, where it could block the impeller or damage internal components. A clean, undamaged basket helps the pump to prime correctly, reduces noise and supports efficient filtration.
- Protects the impeller and diffuser from leaves, twigs and other coarse particles.
- Reduces the risk of blockages in the pump and downstream pipework.
- Helps maintain constant suction so the filter can work at its design flow.
Compatibility and typical applications
The Astralpool prefilter basket 4405010402 is designed for specific Astralpool pool pumps that use this reference in their exploded view. The height, diameter and seating shoulders are matched to the original housing, so the basket sits correctly at the bottom of the chamber and aligns with the inlet openings.
- Suitable for Astralpool pumps that specify reference 4405010402 as prefilter basket.
- Ideal as a direct replacement for cracked, deformed or missing baskets.
- Recommended to keep a spare on hand in heavily planted or windy environments.
Always confirm the reference on the parts diagram or with the pump model details to ensure full compatibility before ordering.
When to replace the prefilter basket
Although robust, the basket is exposed to mechanical stress, chemical products and repeated handling. Over time, plastic can fatigue or become brittle, especially if the basket has been overloaded or cleaned with unsuitable tools.
- Cracks or broken ribs in the mesh that allow debris to pass through.
- Deformation that prevents the basket from sitting flat at the bottom of the housing.
- Damaged or broken handle that makes lifting and removal difficult.
- Discolouration and signs of ageing after many seasons of intensive use.
Replacing a worn basket with a new Astralpool prefilter basket 4405010402 restores effective prefiltration and helps protect the pump for the long term.
Installation and cleaning guidelines
Installing the Astralpool prefilter basket 4405010402 is quick and simple and usually carried out during routine basket cleaning. Correct positioning and regular maintenance keep the prefilter section efficient and easy to service.
- Switch off the pump before opening the prefilter lid.
- Remove the transparent cover and lift out the existing basket by its handle.
- Empty leaves and debris away from the pool and rinse the basket with clean water.
- Place the new or cleaned basket back into the housing, ensuring it seats fully at the bottom.
- Check that no debris is caught on the sealing surface before refitting the lid and o-ring.
After closing the lid and restarting the pump, verify that the prefilter fills correctly with water and that there are no abnormal air bubbles under the cover.
Good practice for daily use
A few simple habits maximise the performance and service life of the Astralpool prefilter basket 4405010402 and the pump it protects.
- Check and clean the basket frequently during leaf season or periods of heavy use.
- Avoid letting the basket become completely clogged, which can cause cavitation and noise.
- Do not knock the basket against hard surfaces; rinse gently with a hose instead.
- Inspect the basket and lid o-ring at the same time and replace them as soon as damage appears.
With a correctly installed Astralpool prefilter basket 4405010402 and regular cleaning, the pump prefilter remains an effective barrier against debris, helping the entire filtration system to run smoothly and reliably.
