Hydor In-Line ETH External Heater

The Hydor In-Line ETH is the first and only external heater for aquariums, featuring exclusive PTC (Positive Thermal Coefficient) technology. The self-limiting PTC heating element offers top - notch safety, eliminating any overheating risks. Thanks to its advanced technology and high - quality components, it's a long - lasting product. Ideal for canister filters and sump tanks. It must be placed vertically. The electronic control with an operation light ensures high - precision temperature setting from 18°C to 34°C (65°F - 93°F). The PTC film's self - protection system guarantees maximum safety. It comes with a special hanging eyelet, is easy to use, and has a practical connection system for pipes and other aquarium parts. It's also compatible with the PRIME external filter. There are different models: the 200 - 12 mm (200 W, 12 mm internal tube diameter) is good for 100 - 200 litre aquariums with a temperature difference (Δ) up to 8°C and 100 - 180 litre aquariums with a Δ up to 10°C; the 200 - 16 mm (200 W, 16 mm internal tube diameter) has the same aquarium size recommendations; the 300 - 16 mm (300 W, 16 mm internal tube diameter) suits 200 - 300 litre aquariums with a Δ up to 8°C and 180 - 250 litre aquariums with a Δ up to 10°C.

Using your Hydor In - Line ETH External Heater is a breeze. First, make sure it's installed vertically as required. Then, connect it to the pipes and other aquarium components using the practical connection system. You can set the temperature according to your needs, between 18°C and 34°C (65°F - 93°F). The operation light will let you know it's working. When using it, always remember that it has a self - protection system to prevent overheating, but still, avoid any rough handling. For maintenance, regularly check the hanging eyelet and the connection to the pipes. If there are any signs of damage, replace the relevant parts. Also, make sure the internal tube is clean to ensure efficient heating. This heater is compatible with the PRIME external filter, so you can use them together for better performance.