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
SunSun · Water / return pump
SunSun ZSP Frequency Pump
A Zhizhen-line frequency pump from 2,500 to 14,000 L/h. Ten sizes, up to 7 m head.
Updated
2,500–14,000 L/h18–140 W10 models
Will it suit my tank?
litres
Best for
Sump returns on mid to large tanks.
What stands out
- 2,500 to 14,000 L/h
- 18 to 140 W
- Up to 7 m head
- Up to 45 mm outlets
Models and specs
| Model | Flow | Max head | Power | Dimensions (L × W × H) | Outlet adapters | Cable |
|---|---|---|---|---|---|---|
| ZSP-2000 | 2,500 L/h | 3 m | 18 W | 17.5 × 7 × 11.5 cm | 20/25mm | 1.8m |
| ZSP-3000 | 3,000 L/h | 3.6 m | 26 W | 17.5 × 7 × 11.5 cm | 20/25mm | 1.8m |
| ZSP-4000 | 4,000 L/h | 4.5 m | 32 W | 19 × 7.8 × 10.9 cm | 20/25mm | 2.5m |
| ZSP-5000 | 5,000 L/h | 5.2 m | 40 W | 19 × 7.8 × 10.9 cm | 20/25mm | 2.5m |
| ZSP-6000 | 6,000 L/h | 4.4 m | 50 W | 22 × 9.2 × 12.7 cm | 20/25/38mm | 5m |
| ZSP-7000 | 7,000 L/h | 4.8 m | 60 W | 22 × 9.2 × 12.7 cm | 20/25/38mm | 5m |
| ZSP-8000 | 8,000 L/h | 5.4 m | 70 W | 22 × 9.2 × 12.7 cm | 20/25/38mm | 5m |
| ZSP-10000 | 10,000 L/h | 6 m | 85 W | 24 × 10.2 × 13.5 cm | 20/25/38/45mm | 5m |
| ZSP-12000 | 12,000 L/h | 6.5 m | 115 W | 24 × 10.2 × 13.5 cm | 20/25/38/45mm | 5m |
| ZSP-14000 | 14,000 L/h | 7 m | 140 W | 24 × 10.2 × 13.5 cm | 20/25/38/45mm | 5m |
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
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Boyu · Water / return pump
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- 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.
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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 SunSun ZSP Frequency Pump, drawn from its specs.
Who is the SunSun ZSP Frequency Pump best for?
Sump returns on mid to large tanks.
What are the alternatives to the SunSun ZSP Frequency Pump?
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 SunSun ZSP Frequency Pump come in?
10 options: ZSP-2000, ZSP-3000, ZSP-4000, ZSP-5000, ZSP-6000, ZSP-7000, ZSP-8000, ZSP-10000, ZSP-12000, ZSP-14000.
How do I compare the SunSun ZSP Frequency Pump with similar products?
Tap Compare on this page and on any other pump you are considering, then open the compare table. It lines up every published spec side by side and lets you pick the size of each product.