Discover a high resistance submersible internal heater designed specifically for aquariums and turtle tanks, ensuring precise and safe water temperature maintenance.
Featuring exclusive technology and premium components, this heater guarantees long-lasting performance and reliability. Its compact shape makes it ideal for all types of tanks, while the fully submersible design allows for flexible positioning both horizontally and vertically, even when completely immersed.
CHARACTERISTICS
- Internal heater suitable for aquariums and turtle tanks
- Compact and versatile design fitting all tank types
- Fully submersible for reliable and durable use
- Easy installation with supplied suction cups for secure positioning
- Graduated scale for precise temperature adjustment and stable maintenance
- Can be positioned horizontally or vertically, fully immersed
- Maximum safety ensured by PTC heating element and shatterproof glass tube resistant to thermal shocks
- Hydor PTC film self-regulates temperature by limiting power during abnormal functioning, with automatic shut-off for enhanced safety
- Double-thickness glass tube for superior durability compared to traditional heaters
Available in a range of power options to suit various aquarium sizes, this heater provides optimal warmth from small setups to larger aquatic environments. Whether maintaining tropical fish habitats or turtle tanks, it delivers dependable temperature control essential for aquatic life health.
| Dimensions | Wattage | Recommended tank volume | |
| Hydor Aquarium Theo Heater 25w | 30x178mm | 25W | 10-20l |
| Hydor Aquarium Theo Heater 50w | 30x178mm | 50W | 20-50l |
| Hydor Aquarium Theo Heater 100w | 30x226mm | 100W | 50-100l |
| Hydor Aquarium Theo Heater 150w | 30x306mm | 150W | 90-150l |
| Hydor Aquarium Theo Heater 200w | 30x306mm | 200W | 100-200l |
| Hydor Aquarium Theo Heater 300w | 30x394mm | 300W | 200-300l |
