Hydor Submersible Glass Theo Aquarium Heater

The THEO heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology used and the high quality of the components guarantee a long life. Ideal also for turtle tanks, the heater is submersible, anti-thermal shock, highly resistant and features a graduated scale for precise temperature regulation. It can be positioned horizontally or vertically.

• Internal heater for aquariums and turtle tanks
• Compact shape, ideal for all types of tanks
• Fully submersible, reliable and long lasting
• Easy to position thanks to the suction cups supplied
• Equipped with graduated scale for temperature adjustment, precise maintenance of set temperature
• It can be positioned horizontally or vertically even completely immersed
• Maximum safety thanks to the PTC heating element and the shatterproof glass tube, resists thermal shocks
• The Hydor PTC film self-controls temperature by limiting the power in case of abnormal functioning. The appliance stops automatically.
• Glass tube: double thickness compared to traditional heaters on the market

• Available in different models:
• 25 W, recommended for aquariums from 10 to 25 litres
• 50 W, recommended for aquariums from 20 to 50 litres
• 100 W, recommended for aquariums from 50 to 100 litres
• 150 W, recommended for aquariums from 90 to 150 litres
• 200 W, recommended for aquariums from 100 to 200 litres
• 300 W, recommended for aquariums from 200 to 300 litres