Boyu · Water / return pump
FP Series Submersible Pump
- Flow
- 300–1,350 L/h
- Power
- 5–19 W
Adding gentle, spread-out circulation to a medium tank or powering a simple internal filter.
4 models
Eheim · Water / return pump
Eheim compactON
compactON is a family of small, quiet water pumps for moving water around a tank, a sump or a DIY filter. The smaller ones stick to the glass with suckers, and most sizes have a flow dial.
Updated
300–5,000 L/h7–70 W6 models
Will it suit my tank?
litres
Best for
Return pumps for sumps, DIY filters or water features in a planted setup.
Worth knowing
Output drops quickly with head height, so check the pump curve if you are lifting water a long way.
What stands out
- Six sizes from 300 to 5,000 L/h
- Adjustable flow on all but the 5000
- Ceramic shaft for quiet running
- 2100 and up can run outside the water as well
Models and specs
| Model | Flow | Max head | Power | Flow range | Outlet | Dimensions | Inlet and outlet | Flow |
|---|---|---|---|---|---|---|---|---|
| 300 | 300 L/h | 0.6 m | 7 W | 170 to 300 L/h | 12/16 mm | 6.2 x 3.8 x 7.2 cm | – | – |
| 600 | 600 L/h | 1 m | 7 W | 250 to 600 L/h | 12/16 mm | 6.2 x 3.8 x 7.2 cm | – | – |
| 1000 | 1,000 L/h | 1.4 m | 15 W | 400 to 1000 L/h | 16/22 mm or 19/27 mm | 7.3 x 4.7 x 7.9 cm | – | – |
| 2100 | 2,100 L/h | 2.4 m | 38 W | 1400 to 2100 L/h | – | 10.9 x 7 x 14.2 cm | 19/27 mm | – |
| 3000 | 3,000 L/h | 2.7 m | 55 W | 1800 to 3000 L/h | – | 10.9 x 7 x 14.2 cm | 19/27 mm | – |
| 5000 | 5,000 L/h | 3.6 m | 70 W | – | – | 14.2 x 9.2 x 15.4 cm | 25/34 mm | Fixed |
- Brand
- Eheim
- Cable
- 2 m
- Water type
- Freshwater and marine
- Warranty
- 3 years
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all pumps
Boyu · Water / return pump
PGB Series Submersible Pump
- Flow
- 740–1,565 L/h
- Power
- 12.5–28 W
Undergravel plates, sump returns or DIY top filters that need decent head in a narrow space.
3 models
Boyu · Water / return pump
SP-100 / SP-101 Series Powerhead
- Flow
- 300–1,850 L/h
- Power
- 4.5–35 W
Anyone needing a cheap general-purpose pump for circulation, a DIY filter or a small sump return.
9 models
Boyu · Water / return pump
SP-1000 Series Submersible Pump
- Flow
- 300–1,400 L/h
- Power
- 8–34 W
Small sump returns, DIY filters and general water moving jobs around the fish room.
5 models
Frequently asked questions
Quick answers about the Eheim compactON, drawn from its specs.
Who is the Eheim compactON best for?
Return pumps for sumps, DIY filters or water features in a planted setup.
Is there anything to watch out for with the Eheim compactON?
Output drops quickly with head height, so check the pump curve if you are lifting water a long way.
What are the alternatives to the Eheim compactON?
Other pumps worth comparing: Boyu FP Series Submersible Pump, Boyu PGB Series Submersible Pump, Boyu SP-100 / SP-101 Series Powerhead. Add any of them to the compare table to see the specs side by side.
What sizes does the Eheim compactON come in?
6 options: 300, 600, 1000, 2100, 3000, 5000.