Oase 400 Heatup Heater

The Oase HeatUp 400W is a high-capacity, fully submersible aquarium heater designed for large aquariums up to 400 liters (about 105 gallons). It offers reliable and precise temperature control, making it ideal for both freshwater and saltwater setups.

Built with durable, shock-resistant quartz glass, the heater is made to withstand long-term use and fluctuations in temperature.

It features an adjustable thermostat that allows fine-tuned control from 18°C to 32°C (64°F to 90°F). A built-in indicator light shows when the heater is actively warming the water.

The HeatUp 400W is easy to install using suction cup mounts and is compatible with several Oase filter systems, such as the BioMaster 850, allowing for integrated heating and filtration in one compact setup.

Additional safety features include overheat protection and a precision bi-metal temperature regulator, which helps maintain stable water conditions—critical for the health of your aquatic life.

Backed by a 3-year manufacturer’s warranty, the Oase HeatUp 400W combines power, precision, and safety for effective aquarium heating.