FREESEA Aquarium Heater for Fish Tank: 100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature and Off-Water Protection for 20-40 Gallon Saltwater and Freshwater
Price History
Product Recommendation
Keep Your Aquarium Perfectly Heated with the FREESEA 200W Aquarium Heater
Ensure a stable and comfortable environment for your aquatic pets with the FREESEA 200W Aquarium Heater, designed for 20 to 40-gallon saltwater or freshwater tanks. This high-performance heater delivers precise temperature control (64°F–95°F) with ±1°F accuracy, thanks to its digital LED controller. Easily adjust settings without touching the water—just use the convenient external controller to maintain the ideal conditions for your fish, corals, or plants.
Safety First: Worried about overheating? This heater features automatic shut-off protection when water levels drop or temperatures exceed preset limits, displaying error codes (E1 for out-of-water, E2 for mechanical failure) to alert you instantly. The explosion-proof quartz glass construction, reinforced with high-temperature-resistant nickel-chromium wiring and quartz sand, ensures fast, efficient heating and long-lasting durability. Plus, the heat-resistant PC housing prevents burns and adds an extra layer of safety.
With a 6.6-foot power cord and a sleek, compact design (8.3 inches), installation is effortless. And if you ever need assistance, our 24-hour professional support team is ready to help.
Upgrade your aquarium setup today—only $25.79 for reliable heating and peace of mind!
Key Features
- ▶【200 Watts Aquarium Heater】: This 100W aquarium heater is ideal for 20 to 40-gallon saltwater or freshwater aquariums. It measures 8.3 inches in length, operates on 110-120V, and comes with a 6.6-foot power cord. Please refer to our size chart to choose the correct wattage for your aquarium.
- ▶【Overheating & Off-Water Protection】: The heater automatically shuts off and stops heating when the water temperature exceeds the preset level or if it becomes exposed to air. It will display an error code until the temperature drops below the preset limit or the heater is fully submerged again. Error codes: E1 – out of water; E2 – mechanical failure. This multi-layer protection ensures you never have to worry about "boiled fish"!
- ▶【Digital LED Controller】: Adjustable temperature range: 64℉-95℉, with an accuracy of ±1°F, you can easily adjust the temperature using the external controller without touching the water. The LED screen displays the current water temperature, preset temperature, and an auto shut-off warning. It's simple and user-friendly!
- ▶【Explosion-Proof Quartz Glass Aquarium Heater】: Made from explosion-proof quartz glass, this submersible heater utilizes high-temperature-resistant nickel-chromium heating wire and quartz sand for efficient heat conduction, providing rapid water heating and long-lasting performance. The durable black housing, crafted from PC material, offers superior heat resistance to regular ABS, protecting your fish, aquatic life, and yourself from burns.
- ▶【Excellent Service】: The Heater of the FREESEA operate very stably under Fish Tank. If you have any questions about the Heater you received, please feel free to contact us at any time. 24-Hour Professional After-Sales Service
