FREESEA
FREESEA Aquarium Heater for Fish Tank: 100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature and Off-Water Protection for 40-75 Gallon Saltwater and Freshwater
FREESEA Aquarium Heater for Fish Tank: 100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature and Off-Water Protection for 40-75 Gallon Saltwater and Freshwater
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About This
- 【300 Watts Aquarium Heater】: This 300W aquarium heater is ideal for 40 to 75-gallon saltwater or freshwater aquariums. It measures 10.2 inches in length, operates on 110-120V, and comes with a 8.2-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.
- 【Fully Equipped with Warranty】: This aquarium heater has everything you need: 1 heater, 1 controller, 2 suction cups, 1 complimentary thermometer strip, and 1 instruction manual. It also includes a 12-month warranty for your peace of mind.









FAQs
How long does shipping take after placing an order?
Orders typically take 5-7 days to be delivered. However, depending on product availability and delivery location, shipping may take longer. For more accurate shipping estimates, please feel free to contact our customer service.
How do I choose the right pet product?
Please refer to the product descriptions and size guides provided on each product page to select the right product for your pet's size and breed. If you need any assistance, don't hesitate to reach out to our customer service team.
How do I exchange or return pet products?
If there is an issue with a pet product, you can request an exchange or return within 7 days of receiving it. For more detailed information, please refer to our Return & Refund Policy. Our customer service team is also available to assist you with any additional inquiries.
What happens if a product is out of stock?
If a product is out of stock, you will be notified when it is expected to be restocked. If you have any questions about restocking or alternative products, please contact our customer service team for assistance.