The Optical Auto Top Up UK is a reliable, precision device for maintaining stable water levels in freshwater and saltwater aquariums. Featuring a high-quality infrared optical sensor with triple detection points, it automatically activates the included DC pump to replenish evaporated water. Ideal for sumps and display tanks alike, it offers compact installation and long-term durability. Key Features: Infrared optical sensor with triple detection for accurate water level monitoring Dry-run protection prevents pump damage Magnet-mounted for easy, compact installation Includes 2m flexible hosing, anti-siphon valve, and hose clamp Energy-efficient DC pump with refill capability Compatible with both marine and freshwater aquariums Box Contents: Optical sensor, DC pump, 2m 6/9mm flexible hosing, anti-siphon valve, hose clamp, PSU, and instructions. Sensor: 25 x 25mm (diam.) x 35mm, Pump: 45 x 28mm (diam.) x 38mm. Maintain your aquarium with confidence using the Optical Auto Top Up UK—simple to install, reliable in use, and built to last.
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