Dymax Power Head PH400 Silent Water Pump For Aquarium 400L/h
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Dymax power head (submerged motor-driven pumps) are superior pumps with great energy efficiency. Dymax’s PowerHead aquarium pump series offers a high-quality water pump that generates substantial power and is extremely quiet while remaining energy efficient.
Constructed with roto magnetic driven technology, this aquarium water pump is durable and reliable for freshwater planted aquariums and can also be used for saltwater reef and marine aquariums. They are the basic components for all Dymax filter systems and can also be used as circulation pumps.
| Specification | Value |
|---|---|
| Flow Rate | 400 L/h |
| Motor Type | Roto Magnetic Driven |
| Operating Environment | Freshwater, Saltwater, Planted Aquariums, Reef Systems |
| Noise Level | Extremely Quiet |
| Energy Efficiency | High |
FAQ
What types of aquariums is the PH400 suitable for?
The Dymax Power Head PH400 is suitable for freshwater planted aquariums, saltwater reef, and marine aquariums.
Is the pump quiet during operation?
Yes, the pump is designed with roto magnetic driven technology to operate extremely quietly.
Can this pump be used as a circulation pump?
Yes, it can be used as a circulation pump in addition to being a core component in Dymax filter systems.




Sam Mitchell –
The pump works smoothly and keeps my 120-liter reef tank well-circulated. It’s quiet even at full flow and has been running for over six months without any issues. Easy to install and fits perfectly in the tank setup.
Jessica Cornish –
I used it in both freshwater and saltwater setups. The flow is strong and consistent. The noise level is much lower than other pumps I’ve tried. Only minor improvement would be in the filter compatibility with some third-party systems.
Jacob Dyer –
Great performance for a quiet, efficient pump. It handles my planted tank well and maintains water movement without disturbing the fish. Durable build and reliable after several months of use.