Submersible Aquarium Heater 50–500W Adjustable Thermostat
Submersible Aquarium Heater 50–500W Adjustable Thermostat
Keep Your Fish Thriving with Precise Water Temperature Control
Create the ideal underwater environment for your fish with this fully submersible aquarium heating rod. Designed for freshwater tanks ranging from 60 to 425 litres, this adjustable thermostat heater delivers steady, reliable warmth — keeping your aquatic life comfortable and healthy year-round. Made in Mainland China.
Key Features
- Adjustable Temperature Range: Dial in your ideal water temperature anywhere between 16°C and 32°C with the easy-to-read temperature scale.
- Fully Submersible Design: Waterproof double-insulation construction ensures safe, worry-free underwater operation.
- Wide Power Range (50–500W): Multiple wattage options suit small fishbowls right through to large 425L aquarium setups.
- Automatic Thermostat Control: Maintains a consistent water temperature automatically — no manual adjustments needed once set.
- Power Indicator Light: Clearly shows when the heater is actively warming your tank, so you always know it's working.
- Durable Materials: Constructed from high-quality Glass and ABS for long-lasting performance in your aquarium.
- Universal Plug Options: Available with EU, UK, or AU plug — compatible with a wide range of outlets worldwide.
Specifications
- Power: 50–500W (220–240V)
- Temperature Range: 16–32°C
- Tank Capacity: 60–425 Litres
- Item Length: 218–493mm
- Cable Length: 95–120cm
- Weight: 200–600g
- Material: Glass + ABS
- Model: HX-936
- Application: Freshwater fish tanks & aquariums only
- Plug Type: EU / UK / AU (adapter included)
- Origin: Made in Mainland China
Important Safety Notes
- This heater is suitable for freshwater use only.
- The heating rod must be completely submerged in water at all times during operation — never allow it to be exposed above the waterline.
- When the indicator light is illuminated, the heater is actively working.
- Before cleaning your aquarium or the heating rod, turn off the power and wait 15–20 minutes for the rod to cool down before handling.
What's in the Box
- 1 × Aquarium Heating Rod
- 1 × User Manual
- 1 × Adapter Plug
For more guidance on creating optimal aquarium environments for your fish, visit the U.S. Fish & Wildlife Service for resources on freshwater fish care and conservation.
Frequently Asked Questions
Q: What size aquarium is this submersible heater suitable for?
A: This aquarium heater is designed for freshwater tanks ranging from 60 to 425 litres. With wattage options from 50W to 500W, you can select the right power level to match your tank size — a general guide is approximately 1W per litre of water for efficient heating.
Q: Is this aquarium heater safe to leave on continuously?
A: Yes. The built-in automatic thermostat monitors and maintains your set water temperature, switching the heating element on and off as needed. The power indicator light lets you know when it is actively heating. Always ensure the rod is fully submerged and never run the heater outside of water.
Q: Can I use this heater in a saltwater or marine aquarium?
A: No — this heating rod is designed for freshwater aquariums only. Using it in saltwater or marine setups is not recommended and may damage the unit or compromise safety.
Q: How do I adjust the temperature on this submersible heater?
A: Simply rotate the adjustment dial to your desired temperature. The clearly marked temperature scale ranges from 16°C to 32°C, allowing precise control. It is best to make adjustments gradually and monitor your thermometer to confirm the water reaches the target temperature.
Q: What plug types are compatible with this aquarium heater?
A: The heater is available with EU, UK, or AU plug options, and an adapter plug is included in the package. It operates on 220–240V, making it suitable for use in most countries outside North America.