Submersible Aquarium Heater With External Controller
Submersible 500W aquarium heater for fish and turtle tanks, suitable for tanks around 300-450L. External LED digital controller provides precise 20-34°C temperature control with overheat and auto-off protection for safer and more stable water heating.
Original price was: £22.69.£20.89Current price is: £20.89.
Description
If you need a reliable way to maintain consistent water temperature in a larger aquarium, this 500W submersible aquarium heater offers external digital control and several built-in safety measures. The unit is designed as a fish tank heater with an LED controller that shows current water temperature and heating status, helping you keep conditions steady for temperature-sensitive setups.
Temperature can be set between 20 and 34℃ with an accuracy of about ±1℃, so it will hold a stable range once your target is reached. Safety features include automatic shut-off if the heater is out of the water and overheat protection above 34℃. The heating element is housed in a sturdy, impact-resistant shell and uses durable heating wire for steady performance. It comes with suction cups and a long power cord, and the external display/controller can be positioned for easy monitoring. Practical note: install the heater vertically in fish tanks and horizontally in turtle tanks as recommended.
Key Features
- 500W heating power – suitable for larger aquarium setups that need strong, consistent heating
- External LED digital controller – displays current water temperature and heating status for convenient monitoring
- Precise temperature control – adjustable range 20-34℃ with about ±1℃ accuracy to maintain stable conditions
- Multiple safety protections – overheat cut-out above 34℃ and automatic off-water shut-off to reduce risk
- Robust, fish-friendly construction and easy installation – impact-resistant housing, durable heating element, suction cups and a long power cord
Frequently Asked Questions
Is this heater suitable for fish and turtle tanks?
Yes. It is designed for use in fish tanks and turtle tanks. Fully submerge vertically in fish tanks, and horizontally in turtle tanks.
What tank size does this 500W heater fit?
The listing gives different size references: the title states up to 250L, while the description says applicable to 300-450L. Please check the seller details before purchase.
How do I set and monitor the water temperature?
Use the external LED digital controller to view current water temperature and heating status. Adjustable range 20-34°C with accuracy within ±1°C; it holds the set temperature automatically.
What safety protections does the heater include?
Three intelligent protectors: overheat protection stops heating above 34°C; off-water auto-off when exposed; plus explosion-proof quartz glass, nickel-chromium heating wire and a sturdy shell for fish safety.
How easy is installation and what are the heater’s dimensions?
Installation is straightforward with included suction cups. Heater is 11.02 inches long, has a 1.5 m (4.92 ft) power cord and operates at 220-240V.
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Specification: Submersible Aquarium Heater With External Controller
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