Aquarium heaters 50 W

An aquarium heater that's so easy to use, you'll feel like a pro! With its preset temperature of 78F, there's no need for any complicated adjustments. Plus, it's built to last with shatter-resistant construction. Safety is also a top priority with automatic shut-off and overheat protection. Keep an eye on things with the handy LED indicator light that turns red when actively heating. And don't worry about placement - this heater is fully submersible!

Theo is the fully submersible aquarium heater by Hydor, supplied complete with suction cups for both horizontal and vertical positioning. A knob with graduated scale allows you to adjust the thermostat to the desired temperature, maintaining it precisely. Shatterproof and with high thermal resistance, the heater is safe, designed to avoid the risk of overheating thanks to the innovative self-protection Ptc heating element that controls the temperature by limiting the power in case of abnormal operation, exclusive Hydor technology. Also ideal for turtle tanks, Theo heaters are available in various models with different power and dimensions. Cleaning tips: periodically clean the glass heating …