Fluval T200 Heater – 200W – up to 200L (53 US Gal)
T-Series submersible heaters combine electronic accuracy, reliable monitoring, and multiple safety features to easily maintain desired aquarium water temperatures. The 360° indicator light ring displays heat mode clearly from any angle, while a convenient large grip dial allows users to adjust the water temperature with ease. In absence of water, the T-Heater automatically cuts power to prevent overheating, while a heater guard provides additional peace-of-mind protection.
- 200-Watt heater designed for aquariums up to 65 US Gal / 200 L
- Advanced electronic construction provides superior accuracy, stability and long-term performance
- 24/7 monitoring regulates temperature and avoids large, unsafe fluctuations
| Feature | Detail |
|---|---|
| Heater Power | 200W |
| Water Capacity | Up to 200L (53 US Gal) |
| Temperature Control | Electronic, with 360° indicator light ring |
| Safety Features | Automatic power cut in absence of water, heater guard |
FAQ
Can the Fluval T200 heater be used in a freshwater aquarium?
Yes, the Fluval T200 is designed for use in freshwater aquariums up to 200L (53 US Gal).
Does the heater have a temperature display?
No, the heater does not display the current temperature. It uses a 360° indicator light ring to show heat mode only.
What happens if the heater is left in an empty tank?
The heater automatically cuts power when there is no water present to prevent overheating.




Blake McLean –
The T200 heater works reliably in my 150L tank. The large dial makes temperature adjustments easy and the light ring is very visible. I didn’t have any issues with overheating even during long periods of use. It’s a solid choice for maintaining stable water temperature.
Michelle Johnston –
I installed this heater in my 200L aquarium and it has kept the temperature steady. The safety features are reassuring, especially the automatic shut-off when the tank is empty. A bit heavy to handle, but the grip is comfortable.
Kimberly Young –
Great performance in maintaining consistent water temperature. The electronic control is precise and the heater doesn’t overheat. I appreciate the guard and the clear light indicator. Works well with my fish species.