Description
The FROSTLINE Digital Controller is an advanced device, designed to offer precise thermal control in marine and freshwater aquariums. Combining a compact and elegant design with advanced technical features, it allows automated management of water temperature and the speed of connected fans, ensuring an optimal, stable aquatic environment free from harmful temperature fluctuations.
Designed for use in conjunction with FROSTLINE X2, X4, and X6 cooling units, the controller represents a professional upgrade for those who want to always keep the thermal values of their aquatic ecosystem under control, without compromise.
Precise Temperature Control and Ventilation Management
Thanks to its highly reliable internal electronics, the FROSTLINE Digital Controller allows you to:
- set the desired water temperature with precision, within a wide range of 10 °C to 40 °C, adapting to every type of setup – tropical, temperate, or cold;
- adjust the speed of connected fans, to achieve more or less intense cooling according to seasonal needs or the environment;
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avoid continuous and unnecessary activations, thanks to an intelligent detection system that activates ventilation only when necessary.
The system thus ensures a stable temperature over time, reducing the risk of thermal stress for fish, invertebrates, and plants.
Intuitive Digital Display – Everything Under Control, with Clarity and Simplicity
The controller is equipped with a backlit digital display, clear and easily visible even in low light conditions, which shows in real time:
- the current water temperature (detected by the integrated sensor);
- the target temperature set;
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the active fan speed.
The control panel is intuitive and allows simple and immediate interaction, making the controller suitable for both experienced users and beginners.
High-Precision Integrated Thermal Sensor
The included sensor is designed for accurate and constant measurement of water temperature. Easily positioned inside the tank using a suction cup or dedicated support, it provides a stable and reliable reading, even in the presence of water movement or thermal fluctuations due to intense lighting or heaters.
Based on the detected value, the controller automatically regulates the fan operation, activating or deactivating them according to the threshold set by the user. This mechanism ensures a consistently stable aquatic environment, preventing thermal shocks, sudden drops in oxygen, and stressful conditions for the tank inhabitants.
Compatibility and Connectivity – Simple, Universal, Reliable
The FROSTLINE Digital Controller was developed to work perfectly with FROSTLINE X2, X4, and X6 cooling units, through a practical connection via a DC 5/2 mm socket, a standard present on most aquarium cooling devices.
It is also compatible with other models featuring similar technical characteristics, making it a universal controller suitable for custom setups or compatible external fans.
Technical Features
- Power: max. 24 W
- Indicated temperature range: 0 - 40° C
- Temperature control range: 0 - 40° C
- Accuracy of temperature indicated on screen: 1° C
- Temperature sensor tolerance: +/- 0.5° C
- Socket connection: DC 5 / 2 mm
- Sensor cable length: 1.2 m
- Connection cable length: 0.4 m
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Compatibility: FROSTLINE X2, X4, X6 / other devices with DC 5/2 mm input
Why choose FROSTLINE Digital Controller
- Automatic and precise water temperature regulation
- Real-time display of critical parameters
- Reliable sensor for accurate and continuous readings
- Fan speed management based on the set threshold
- Easy installation, wide compatibility, compact design
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Essential for the thermal well-being of fish and plants


