Shop for Aquarium Heaters

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  1. Mini Heaters 15 watt

    Mini Heaters 15 watt

    Compact heaters for small desktop glass or acrylic aquariumsFlat, space-saving design allows discreet aquarium placementCompletely submersible heaters are safe and easy to useCompact heaters perfect for small glass or acrylic desktop aquariums. Mini Heaters safely increase water temperature by a few degrees to eliminate overheat potential - No damage if left running dry. Flat, space-saving design allows discreet placement. Completely submersible and can also be used to warm plant roots in small aquariums. UL-Listed. 77" cord. Model Length Max. Aquarium Size 7.5 watt 2-1/4" x 5" up to 5 gallons 15 watt 2-5/8" x 5-1/8" up to 10 gallonsPlease click on "More Information" for installation instructions.
  2. MINI AQUARIUM HEATER

    MINI AQUARIUM HEATER

    Aquarium heater for small tanks

  3. MICRO HEATER

    MICRO HEATER

    Small aquarium heater for small tanks and bowls

  4. MICRO HEATER

    MICRO HEATER

    Small aquarium heater for small tanks and bowls

  5. Marineland Visi-Therm Stealth Submersible Aquarium Heaters

    Marineland Visi-Therm Stealth Submersible Aquarium Heaters

    Stealth submersible aquarium heaters combine advanced streamlined design with precise water-calibrated accuracy and UL-approved performance assurance.
  6. Marineland Stealth Pro-Heaters Suction Cups 2 pk

    Marineland Stealth Pro-Heaters Suction Cups 2 pk

    Shatter-proof submersible aquarium heater with safety shutoffAutomatically shuts off when heater is out of aquarium waterElectronic thermostat means stable aquarium water temperaturesTough, shatter-proof heaters boast smart electronic technology for long-lasting performance. Rugged heater construction enhanced with LED indicator allows fast and accurate confirmation of heater activity. Translucent temperature dial glows red when heating and glows green when aquarium water temperature is at or above set temperature. Internal mesh heating element allows efficient heat distribution while epoxy fill protects against shock and breakage. Helpful safety feature shuts down heater when exposed out of water and restarts automatically when submerged. ?1 degrees Fahrenheit accuracy. Marineland Stealth Pro-Heaters are for submersible use in fresh or saltwater aquariums. 10W Mini is factory set to 78 degrees Fahrenheit-no adjustments needed. Wattage Length For Aquariums 10W 5-1/4" 3 gallons 25W 7-1/2" 8 gallons 50W 7-1/2" 15 gallons 75W 9" 25 gallons 100W 9" 30 gallons 150W 10-1/2" 45 gallons 200W 13-1/2" 55 gallons 250W 14-1/2" 75 gallons 300W 15" 100 gallonsDownloadable Stealth Pro-Heater Instructions PDF. (Requires Adobe Acrobat Reader 4.0 or later - get it here for free)Please click on "More Information" for directions for use.
  7. Jager TS Automatic Heaters Double Suction Heater Holder

    Jager TS Automatic Heaters Double Suction Heater Holder

    High-quality aquarium heater for reliable performanceLow water level safety switch prevents heater damageSuperior craftsmanship for precise heater temperature adjustmentsThe TS Automatic Aquarium Heaters by Jager are produced with superior materials and expert craftmanship. Advanced sensor holds temperature steady Features heavy-duty 2mm thick, shock-resistant Pyrex glass construction. Temperature adjustable from 64 to 90F. Thermostat is accurate from ?0.5. Six foot double insulated power cord and suction-cup attachment included. Submersible to water line on heater. Perfect for fresh or saltwater use.WattsTank SizeHeater5010 -15 Gallons9"7515 - 20 Gallons10"10020 - 30 Gallons12"12530 - 45 Gallons12"15040 - 60 Gallons13"20060 - 90 Gallons15"25090+ Gallons17"Please click on "More Information" for installation instructions.
  8. Jager TS Automatic Heaters 75 watt

    Jager TS Automatic Heaters 75 watt

    High-quality aquarium heater for reliable performanceLow water level safety switch prevents heater damageSuperior craftsmanship for precise heater temperature adjustmentsThe TS Automatic Aquarium Heaters by Jager are produced with superior materials and expert craftmanship. Advanced sensor holds temperature steady Features heavy-duty 2mm thick, shock-resistant Pyrex glass construction. Temperature adjustable from 64 to 90F. Thermostat is accurate from ?0.5. Six foot double insulated power cord and suction-cup attachment included. Submersible to water line on heater. Perfect for fresh or saltwater use.WattsTank SizeHeater5010 -15 Gallons9"7515 - 20 Gallons10"10020 - 30 Gallons12"12530 - 45 Gallons12"15040 - 60 Gallons13"20060 - 90 Gallons15"25090+ Gallons17"Please click on "More Information" for installation instructions.
  9. Jager TS Automatic Heaters 50 watt

    Jager TS Automatic Heaters 50 watt

    High-quality aquarium heater for reliable performanceLow water level safety switch prevents heater damageSuperior craftsmanship for precise heater temperature adjustmentsThe TS Automatic Aquarium Heaters by Jager are produced with superior materials and expert craftmanship. Advanced sensor holds temperature steady Features heavy-duty 2mm thick, shock-resistant Pyrex glass construction. Temperature adjustable from 64 to 90F. Thermostat is accurate from ?0.5. Six foot double insulated power cord and suction-cup attachment included. Submersible to water line on heater. Perfect for fresh or saltwater use.WattsTank SizeHeater5010 -15 Gallons9"7515 - 20 Gallons10"10020 - 30 Gallons12"12530 - 45 Gallons12"15040 - 60 Gallons13"20060 - 90 Gallons15"25090+ Gallons17"Please click on "More Information" for installation instructions.
  10. Jager TS Automatic Heaters 250 watt

    Jager TS Automatic Heaters 250 watt

    High-quality aquarium heater for reliable performanceLow water level safety switch prevents heater damageSuperior craftsmanship for precise heater temperature adjustmentsThe TS Automatic Aquarium Heaters by Jager are produced with superior materials and expert craftmanship. Advanced sensor holds temperature steady Features heavy-duty 2mm thick, shock-resistant Pyrex glass construction. Temperature adjustable from 64 to 90F. Thermostat is accurate from ?0.5. Six foot double insulated power cord and suction-cup attachment included. Submersible to water line on heater. Perfect for fresh or saltwater use.WattsTank SizeHeater5010 -15 Gallons9"7515 - 20 Gallons10"10020 - 30 Gallons12"12530 - 45 Gallons12"15040 - 60 Gallons13"20060 - 90 Gallons15"25090+ Gallons17"Please click on "More Information" for installation instructions.

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