Aquarium Heater Submersible Adjustable LED Display

$29.99 $49.95

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Power 10W 25W 50W 100W

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Ships within 1-2 business days. Delivery typically 2-5 calendar days after shipping in the US, 5-8 calendar days internationally.

30-day returns on eligible items. See our Shipping Policy and Refund & Returns Policy.

Keep Aquarium Temperature Stable—No Sudden Swings, No Overheating

Maintain steady water temperature for aquatic life — submersible design with automatic shutoff and LED temperature display.

Why is this Aquarium Heater Perfect for You

✔ Precise temperature control with visible LED display.: The LED digital display shows the current water temperature directly on the heater, enabling easy monitoring without opening the tank. This ensures accurate adjustments and prevents guesswork when maintaining safe temperature levels.

✔ Automatic overheat and low water protection.: The heater automatically stops operating if water temperature exceeds 95°F or water level drops too low, triggering error codes (HH or E1) on the controller. This system prevents damage to aquatic life and heater malfunction.

✔ Durable quartz glass construction fits small tanks.: Made from thickened 0.08 in quartz glass resistant to cracks and corrosion, the compact 4.1 inch heater fits nano and betta tanks easily, providing reliable performance in freshwater and saltwater environments.