External aquarium heater connected via Bluetooth
With the Flow Heater BT , no more approximate manual settings! This smart external heater connects via Bluetooth to your smartphone or tablet via the Aquael BT app, available on Android and iOS. From the app, you can set the temperature, monitor the current value, adjust the power, activate scheduled modes or receive real-time temperature alerts . All from your sofa or even remotely thanks to the Aquael WiFi gateway. The LEDs integrated into the housing clearly indicate the operating status: POWER, STATUS and BLUETOOTH. Intuitive, practical and quick to configure!
Exceptional thermal accuracy and stability
The Smart Heating System (SHS) automatically adjusts the power of the Flow Heater BT to maintain the target temperature stably, without sudden variations. The heater operates with an accuracy of ±0.1 °C and a temperature range between 20 and 33 °C . The heated water circulates evenly thanks to its installation on the external filter outlet, ensuring even heat distribution throughout the tank. In the event of circulation problems or overheating, the heater automatically stops, thus protecting your fish and equipment.
Day & Night Mode for natural temperature management
Inspired by the natural cycle of light and temperature, Day & Night mode automatically adjusts the tank temperature according to the time of day. During the day, the water remains slightly warmer; at night, it slowly decreases, recreating natural conditions. The app allows you to set sunrise and sunset times, adjust the transition over several hours and observe the variations in a 7-day history . Ideal for reducing fish stress and promoting a more stable biological balance.
Modular power and universal compatibility
The Flow Heater BT adapts to all needs thanks to its wide power range of 50 to 500 W , adjustable in 50 W steps. It is suitable for both small aquariums of 60 liters and large tanks of 1000 liters . Compatible with 16/22 mm and 19/25 mm pipes, it is easily installed on the external filter outlet without complex tools. It works perfectly with the Hypermax 4500 BT, Ultramax (1000–2000) and Ultra (900–1400) filters. For very large aquariums, several Flow Heater BT can be used in parallel.
Electronic security and high-end design
Aquael has integrated up to 5 electronic temperature sensors to protect the tank from overheating or dry running. In the event of an anomaly, the system automatically switches to safety mode. Each unit is individually manufactured and calibrated in the Aquael factory in Poland, according to European safety standards . High-quality materials and rigorous testing ensure exceptional durability and long-term reliability. So you benefit from robust, precise, and safe heating, even in salt water.
External installation and freedom of arrangement
The Flow Heater BT attaches to the outside of the aquarium, on the filter outlet pipe, which completely frees up the interior space . No more unsightly heaters in the decor! This configuration is ideal for planted tanks and aquascaping projects where every centimeter counts. Its compact housing attaches with suction cups or brackets (screws optional) for a clean and stable installation, even inside an aquarium cabinet. It can be used in freshwater as well as saltwater , without risk of corrosion.
Technical data of the Aquael Flow Heater BT
| Characteristic | Value |
|---|
| Reference | 133583 |
| Aquarium volume | 60 to 1000 L |
| Power range | 50 to 500 W (in 50 W steps) |
| Temperature range | 20 – 33 °C |
| Precision | ± 0.1 °C |
| Pipe diameter | 16/22 mm and 19/25 mm |
| Control | Aquael BT (Bluetooth) app |
| Programmable mode | Day & Night with gradual transitions |
| Security | Anti-overheating, anti-dry running, 5 electronic sensors |
| Installation type | External, on filter outlet pipe |
| Compatibility | Hypermax BT, Ultramax, Ultra |
| Use | Freshwater and saltwater aquariums |
| Manufacturing | Aquael Factory – Poland (EU certified) |
Frequently Asked Questions – Aquael Flow Heater BT
Is the Flow Heater BT suitable for seawater?
Yes, it works in both fresh and salt water. Its external installation protects it from corrosion.
What is its power range?
From 50 to 500 W , adjustable in 50 W steps, to adapt to aquariums from 60 to 1000 L.
How is the temperature adjusted?
Directly from the Aquael BT mobile app, with an accuracy of ±0.1°C and real-time monitoring.
Is the Flow Heater BT safe?
Yes, it has 5 electronic sensors and an automatic shut-off in case of overheating or lack of flow.
Can I use more than one BT Flow Heater?
Absolutely. For larger aquariums, you can install several of them on the external filter outlets.
