Oase HeatUp Aquarium Fish Tank Heater 400w
Oase HeatUp Aquarium Heaters provide a robust and reliable solution for maintaining stable water temperature in both fresh and saltwater aquariums.
Each heater comes with a 1.5m power cable and is covered by a 3-year guarantee. The model offers 400w power, suitable for large aquariums requiring consistent heating.
Features include a temperature dial at the top for control between 18°C and 32°C. The patented recalibration system allows adjustment of ±3°C for precise temperature management.
The heater’s function is indicated by an activated control light located at the front of the unit.
| Specification | Value |
|---|---|
| Power | 400w |
| Temperature Range | 18°C to 32°C |
| Power Cable Length | 1.5m |
| Guarantee | 3 years |
| Heater Type | HeatUp |
FAQ
What is the temperature range of the 400w Oase HeatUp heater?
The temperature range is 18°C to 32°C, adjustable via the dial at the top of the heater.
Can this heater be used in saltwater aquariums?
Yes, the Oase HeatUp Heater is suitable for both freshwater and saltwater aquariums.
Is there a way to adjust the temperature precisely?
Yes, the patented recalibration system allows adjustment of ±3°C for more accurate temperature control.



Warren Hudson –
The heater maintains a steady temperature even in a large tank. It’s easy to set and the light indicator helps know when it’s active. Works well with my saltwater setup.
Megan Hodges –
Stable performance over several months. The 1.5m cable gives good flexibility in placement. Minor delay in warming up initially, but otherwise reliable.
Austin Allan –
Perfect for my 120-gallon tank. The temperature dial is intuitive and the recalibration feature helps keep fish happy. No issues with overheating or power fluctuations.