Aquarium & Tank Heaters
Inexpensive tank and aquarium heaters.

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THEO Heater - 400W 15 1/2 in. - up to 105 Gallon Tank & Aquarium Heater $25.99 Buy Now/More Information Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible, THEO heaters function with the PTC (Positive Thermal Coefficient) heating element, a special polymer sheet silk-screened with heating ink (like your car's windshield defroster), that enables them to run dry for a short time without damage. With an easy-to-read temperature dial, these heaters are the simplest, yet safest available. THEO Heater - 400W - UL Listed - 15 1/2 in. - up to 105 Gallon

Fluval "E" Electronic Tank & Aquarium Heater - 300W $56.99 Buy Now/More Information E Series LCD Heaters from Fluval are the most advanced submersible aquarium heaters on the market today. Computer-controlled precision and fish-safe design contributes more than ever to the safety of your tank's inhabitants. Dual temperature sensors, and temperature selection to the nearest 0.5 degree with an LCD display allows for precise control and accurate tank readings. Colored display alert changes color if preset temperature changes plus or minus 2 degrees Fahrenheit. Integrated fish guard keeps fish from direct heater contact and protects glass sleeve from breakage. Easy heater bracket allows heater to be moved or removed without removing it. Designed for tank or sump use. Fluval "E" Electronic Heater - 300W

See more options for tank heaters and aquarium heaters
Submersible Aquarium Heater - 200W - 13 in. - up to 75 Gallon
Submersible Aquarium and Tank Heater - 300W - 15 in. - up to 90 Gallon

These fish tank heaters have a limited lifetime guarantee, simple-to-use control knobs and submersible design that makes them the best choice for your aquarium or tank. Each heater is personally tested for accuracy, durability and reliability. Designed from thermal shatter-resistant glass, these safe heaters offer molded control knobs and automatic shutoffs to avoid overheating and damage. An easy to view indicator light lets you know exactly when the heater is running. Choose the size that best fits your aquarium or tank.


Most popular sizes:
Submersible Aquarium Heater - 200W - 13 in. - up to 75 Gallon
Submersible Aquarium and Tank Heater - 300W - 15 in. - up to 90 Gallon

Other sizes available here






Ebo Jager Heater - 125W - 12 in.
Only $25.99
With a new improved design, this automatic aquarium heater is for both fresh and saltwater aquariums. Unit has a precision bi-stable thermostat with plus or minus 1/2 degrees F holding temperature. The temperature setting is an easy to adjust control dial with accurate 1 in. increments from 65 to 93 degrees . Ebo Jagers have a 2mm thick thermal shock resistant glass vs the common 1mm thickness for and extra sturdy construction. Heater also includes a 6 foot double insulated power cord, and a convenient clip-on heater holder.