The impeller is the magnet-driven rotor inside an Eccoflow pump. Juwel's advice is to replace it every 12 months to keep the pump quiet — and a rattling or weak-flowing pump is far more often a worn impeller than a dead motor.
The set is the impeller plus its metal axle. It does not include the rubber axle holders, which Juwel says wear on the same 12-month cycle. If you fit a new impeller and the pump is still noisy, the rubber bearings are the next thing to look at.
Match the number to your pump
Each Eccoflow size has its own impeller and they are not interchangeable — the rotor lengths differ (28 mm on the 300, 32 mm on the 500 and 600, 33 mm on the 1000, 50 mm on the 1500). The 500 and 600 are the same length but remain separate Juwel parts, so order by pump number rather than by measurement.
- Set 300 — Eccoflow 300
- Set 500 — Eccoflow 500
- Set 600 — Eccoflow 600
- Set 1000 — Eccoflow 1000
- Set 1500 — Eccoflow 1500
If your pump is branded Bioflow rather than Eccoflow it is the older generation and takes a different impeller — see our Bioflow impeller. The SeaSkim skimmer pump also takes its own part.
The rest of the range is in our Juwel collection.