Hydor ETH ist the first and unique external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology. The self-limiting PTC heating element guarantees maximun safety against any risk of overheating. The external heater is simpy installed into the pressure hose of the external aquarium filter. The temperature can be stepples adjusted in the range of 18°C to 34°C. A control lamp at the housing of the heater shows the operation of the heating element. With the Hydor ETH, the normal glass heater in the aquarium is no longer needed.
technical data Hydor Heater ETH:Do you have questions about this article ?
- Model 200: 200 W, for aquariums up to 200 litres
- Modell 300: 300 W, for aquariums up to 250 litres
- Model 200 available with 12 and 16 mm hose connection
- total length: approx: 29 cm
- with practical hanging loop