Heaters

Items 1 to 48 of 69 total

  • Aqueon Mini Heater - 10 W
    The Aqueon 10 W Mini Heater is the perfect size heater for desktop aquariums up to 5 gallons in size. A perfect match for the MiniBows! This cUL approved fully submersible heater is shatterproof and features a thermal safety shut-off.

    Regular Price: USD 12.99

    Sale Price USD 8.99

    Regular Price: USD 12.99

    Sale Price USD 8.99

  • Aqueon Aquatic Flat Heater - 7.5 W
    • Ideal for small desktop aquariums up to 3 gallons
    • Energy-efficient heater consumes a mere 7.5 watts!
    • Easy to install with submersible design and suction cups
    • Secures to the sides or bottom of your aquarium
    USD 8.99
    USD 8.99
  • Eheim Jager Heater Double Suction Holder
    Replacement Heater Holder for all Eheim Jager Heaters, complete with rubber suction cups. The heater holder holds the heater away from the aquarium glass allowing for water circulation over the entire unit.

    Regular Price: USD 5.49

    Sale Price USD 3.49

    Regular Price: USD 5.49

    Sale Price USD 3.49

  • Hydor Slim Heater for Bettas & Bowls - 7.5 W
    • Compact, fully submersible, shock-proof heater
    • Features 90 degree cord angle for best fit in Betta bowls
    • Suitable for 2 to 5 gallon aquariums and bowls
    • UL Listed for safety

    Regular Price: USD 11.99

    Sale Price USD 8.99

    Regular Price: USD 11.99

    Sale Price USD 8.99

  • Aqueon Aquatic Flat Heater - 15 W
    • Ideal for small desktop aquariums up to 10 gallons
    • Energy-efficient heater consumes a mere 15 watts!
    • Easy to install with submersible design and suction cups
    • Secures to the sides or bottom of your aquarium
    USD 10.99
    USD 10.99
  • Aqueon Pro Submersible Heater - 50 W
    Aqueon Pro Heaters are accurate, reliable, durable, and easy to use. They are constructed using a shatterproof and nearly indestructible outer shell, and feature a durable aluminum core for strength and even heat distribution. Fully submersible.

    Regular Price: USD 29.99

    Sale Price USD 26.99

    Regular Price: USD 29.99

    Sale Price USD 26.99

  • Hagen Heater Holder/Hose Bracket
    Plastic Heater Holder for Thermal Compact / Thermal Pre-set. Also for Fluval 104 and 204

    Regular Price: USD 2.99

    Sale Price USD 2.49

    Regular Price: USD 2.99

    Sale Price USD 2.49

  • Penn Plax Heater Holder Suction Cups - 2 pk
    Heaters Holders & Guards. Penn Plax Suction Cup Heater Holder for standard sized glass aquarium heaters.

    Regular Price: USD 2.49

    Sale Price USD 2.24

    Regular Price: USD 2.49

    Sale Price USD 2.24

  • Lee's Heater Holders - 2 pk
    The Heater Holder features a clip with a suction cup that is to be used to secure 1" heater tubing to the wall of the aquarium. The Heater Holder can also be used to secure 1" siphon or uplift tubes.

    Regular Price: USD 1.19

    Sale Price USD 1.07

    Regular Price: USD 1.19

    Sale Price USD 1.07

  • Marina Suction Cups for Heaters (up to 3/4" dia.) - 2 pk
    Marina Suction Cups are designed to hold heaters measuring up to 3/4" in diameter. Powerful, long-lasting suction keeps your heater securely in place.

    Regular Price: USD 0.99

    Sale Price USD 0.79

    Regular Price: USD 0.99

    Sale Price USD 0.79

  • Marineland VisiTherm Deluxe Heater Mounting Bracket
    • Perfect for VisiTherm submersible aquarium heaters
    • Quickly attaches your heater to the aquarium glass
    • Easy-to-use mounting bracket keeps heaters secure
    • Suitable for use with any model of VisiTherm Heater
    USD 4.99
    USD 4.99
  • Eheim Jager TruTemp Submersible Heater - 150 W
    An ultra-modern thermal device using the best available technology. The temperature can be precisely adjusted from 18-34°C and readjusted if required. The control accuracy is +/- 0.5 degrees F, and the heat is controlled to a constant temperature.

    Regular Price: USD 29.99

    Sale Price USD 21.99

    Regular Price: USD 29.99

    Sale Price USD 21.99

  • Aqueon Submersible Aquarium Heater - 200 W
    Aqueon Submersible Heaters are accurate, reliable, durable and easy to use. Each unit is calibrated twice to ensure accuracy within +/- 1degrees F. Made from thermal shatter-resistant glass designed to absorb impacts.

    Regular Price: USD 29.99

    Sale Price USD 19.99

    Regular Price: USD 29.99

    Sale Price USD 19.99

  • Tetra Submersible Heater - HT-10 - 50 W
    • Submersible glass heater for aquariums 2 to 10 gallons in size
    • Electronic thermostat maintains a constant 78±2° F (25±1° C)
    • LED indicator enables visual confirmation of heater operation
    • Convenient suction cup mount makes installation a breeze
    • Features a heat and shock-resistant borosilicate glass housing

    Regular Price: USD 12.99

    Sale Price USD 8.99

    Regular Price: USD 12.99

    Sale Price USD 8.99

  • Aqueon Submersible Aquarium Heater - 150 W
    Aqueon Submersible Heaters are accurate, reliable, durable and easy to use. Each unit is calibrated twice to ensure accuracy within +/- 1degrees F. Made from thermal shatter-resistant glass designed to absorb impacts.

    Regular Price: USD 28.99

    Sale Price USD 19.99

    Regular Price: USD 28.99

    Sale Price USD 19.99

  • Eheim Jager TruTemp Submersible Heater - 100 W
    An ultra-modern thermal device using the best available technology. The temperature can be precisely adjusted from 18-34°C and readjusted if required. The control accuracy is +/- 0.5 degrees F, and the heat is controlled to a constant temperature.

    Regular Price: USD 27.99

    Sale Price USD 19.99

    Regular Price: USD 27.99

    Sale Price USD 19.99

  • Aqueon Pro Submersible Heater - 150 W
    Aqueon Pro Heaters are accurate, reliable, durable, and easy to use. They are constructed using a shatterproof and nearly indestructible outer shell, and feature a durable aluminum core for strength and even heat distribution. Fully submersible.

    Regular Price: USD 32.99

    Sale Price USD 27.99

    Regular Price: USD 32.99

    Sale Price USD 27.99

  • Marineland Precision Submersible Heater - 100 W
    • Powerful submersible heater for aquariums up to 29 gallons
    • Equally capable in both freshwater and saltwater aquariums
    • Advanced heating element provides even heat distribution
    • Thermal safety switch automatically prevents heater failure
    • cUL Listed and backed by a class-leading lifetime warranty!

    Regular Price: USD 23.99

    Sale Price USD 17.99

    Regular Price: USD 23.99

    Sale Price USD 17.99

  • Hydor ETH 200 In-Line Heater - 1/2" - 200 W
    The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. The exclusive technology and the high quality of the components guarantee a long lasting product.

    Regular Price: USD 57.99

    Sale Price USD 49.99

    Regular Price: USD 57.99

    Sale Price USD 49.99

  • Marineland Precision Submersible Heater - 200 W
    • Powerful submersible heater for aquariums up to 55 gallons
    • Equally capable in both freshwater and saltwater aquariums
    • Advanced heating element provides even heat distribution
    • Thermal safety switch automatically prevents heater failure
    • cUL Listed and backed by a class-leading lifetime warranty!

    Regular Price: USD 25.99

    Sale Price USD 21.99

    Regular Price: USD 25.99

    Sale Price USD 21.99

  • Cobalt Aquatics Neo-Therm Heater - 25 W
    • Modern, super flat design
    • Easy to set "one touch" system
    • Accurate electronic thermostat (±0.5 degrees F)
    • LEDs display set and actual temperature
    • Shatterproof outer casing protects electrical components
    USD 56.99
    USD 56.99
  • Eheim Jager TruTemp Submersible Heater - 50 W
    An ultra-modern thermal device using the best available technology. The temperature can be precisely adjusted from 18-34°C and readjusted if required. The control accuracy is +/- 0.5 degrees F, and the heat is controlled to a constant temperature.

    Regular Price: USD 23.99

    Sale Price USD 17.99

    Regular Price: USD 23.99

    Sale Price USD 17.99

  • Eheim Jager TruTemp Submersible Heater - 250 W
    An ultra-modern thermal device using the best available technology. The temperature can be precisely adjusted from 18-34°C and readjusted if required. The control accuracy is +/- 0.5 degrees F, and the heat is controlled to a constant temperature.

    Regular Price: USD 33.99

    Sale Price USD 23.99

    Regular Price: USD 33.99

    Sale Price USD 23.99

  • Aqueon Pro Submersible Heater - 200 W
    Aqueon Pro Heaters are accurate, reliable, durable, and easy to use. They are constructed using a shatterproof and nearly indestructible outer shell, and feature a durable aluminum core for strength and even heat distribution. Fully submersible.

    Regular Price: USD 33.99

    Sale Price USD 31.99

    Regular Price: USD 33.99

    Sale Price USD 31.99

  • Eheim Jager TruTemp Submersible Heater - 300 W
    An ultra-modern thermal device using the best available technology. The temperature can be precisely adjusted from 18-34°C and readjusted if required. The control accuracy is +/- 0.5 degrees F, and the heat is controlled to a constant temperature.

    Regular Price: USD 34.99

    Sale Price USD 23.99

    Regular Price: USD 34.99

    Sale Price USD 23.99

  • Tetra Submersible Heater - HT-55 - 200 W
    • Submersible glass heater for aquariums 40 to 55 gallons in size
    • Electronic thermostat maintains a constant 78±2° F (25±1° C)
    • LED indicator enables visual confirmation of heater operation
    • Convenient suction cup mount makes installation a breeze
    • Features a heat and shock-resistant borosilicate glass housing

    Regular Price: USD 24.99

    Sale Price USD 17.99

    Regular Price: USD 24.99

    Sale Price USD 17.99

  • Aqueon Submersible Aquarium Heater - 100 W
    Aqueon Submersible Heaters are accurate, reliable, durable and easy to use. Each unit is calibrated twice to ensure accuracy within +/- 1degrees F. Made from thermal shatter-resistant glass designed to absorb impacts.

    Regular Price: USD 27.99

    Sale Price USD 18.99

    Regular Price: USD 27.99

    Sale Price USD 18.99

  • Aqueon Submersible Aquarium Heater - 300 W
    Aqueon Submersible Heaters are accurate, reliable, durable and easy to use. Each unit is calibrated twice to ensure accuracy within +/- 1degrees F. Made from thermal shatter-resistant glass designed to absorb impacts.

    Regular Price: USD 31.99

    Sale Price USD 24.99

    Regular Price: USD 31.99

    Sale Price USD 24.99

  • Cobalt Aquatics Neo-Therm Heater - 50 W
    • Modern, super flat design
    • Easy to set "one touch" system
    • Accurate electronic thermostat (±0.5 degrees F)
    • LEDs display set and actual temperature
    • Shatterproof outer casing protects electrical components
    USD 57.99
    USD 57.99
  • Cobalt Aquatics Neo-Therm Heater - 100 W
    • Modern, super flat design
    • Easy to set "one touch" system
    • Accurate electronic thermostat (±0.5 degrees F)
    • LEDs display set and actual temperature
    • Shatterproof outer casing protects electrical components
    USD 62.99
    USD 62.99
  • Cobalt Aquatics Neo-Therm Heater - 150 W
    • Modern, super flat design
    • Easy to set "one touch" system
    • Accurate electronic thermostat (±0.5 degrees F)
    • LEDs display set and actual temperature
    • Shatterproof outer casing protects electrical components
    USD 72.99
    USD 72.99
  • Cobalt Aquatics Accu-Therm Heater - 25 W
    • Advanced, fully submersible heater
    • Equally capable in freshwater and saltwater environments
    • Computer-tested accurate to ± 2 ° Fahrenheit
    • Features an easily calibrated thermostat and Triac circuit
    • Ceramic radiator delivers even heat distribution
    USD 25.99
    USD 25.99
  • Cobalt Aquatics Accu-Therm Heater - 50 W
    • Advanced, fully submersible heater
    • Equally capable in freshwater and saltwater environments
    • Computer-tested accurate to ± 2 ° Fahrenheit
    • Features an easily calibrated thermostat and Triac circuit
    • Ceramic radiator delivers even heat distribution
    USD 26.99
    USD 26.99
  • Hydor Slim Heater for Micro Tanks & Mini Aquariums - 7.5 W
    • For aquariums with fish similar to Bettas or Guppies
    • Used on glass or acrylic miniature aquariums
    • Suitable to use in a 2 or 5 gallon aquarium

    Regular Price: USD 12.99

    Sale Price USD 8.99

    Regular Price: USD 12.99

    Sale Price USD 8.99

  • Hydor Theo Submersible Heater - 400 W
    THEO aquarium heater has all the necessary features for safe and precise temperature maintance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product.

    Regular Price: USD 29.99

    Sale Price USD 25.99

    Regular Price: USD 29.99

    Sale Price USD 25.99

  • Hydor Slim Heater for Micro Tanks & Mini Aquariums - 15 W
    • For aquariums with fish similar to Bettas or Guppies
    • Used on glass or acrylic miniature aquariums
    • Suitable to use in a 5 or 10 gallon aquarium
    USD 10.99
    USD 10.99
  • Fluval E Advanced Electronic Heater - 300 W
    The most technologically advanced heaters available, the Fluval "E" series advanced electronic aquarium heater with VueTech technology delivers piece of mind by continuously displaying real-time water temperature.With an advanced digital microprocessor.
    USD 55.99
    USD 55.99
  • Aqueon Pro Submersible Heater - 100 W
    Aqueon Pro Heaters are accurate, reliable, durable, and easy to use. They are constructed using a shatterproof and nearly indestructible outer shell, and feature a durable aluminum core for strength and even heat distribution. Fully submersible.

    Regular Price: USD 29.99

    Sale Price USD 25.99

    Regular Price: USD 29.99

    Sale Price USD 25.99

  • Tetra Submersible Heater - HT-30 - 100 W
    • Submersible glass heater for aquariums 10 to 30 gallons in size
    • Electronic thermostat maintains a constant 78±2° F (25±1° C)
    • LED indicator enables visual confirmation of heater operation
    • Convenient suction cup mount makes installation a breeze
    • Features a heat and shock-resistant borosilicate glass housing

    Regular Price: USD 15.99

    Sale Price USD 12.99

    Regular Price: USD 15.99

    Sale Price USD 12.99

  • Marineland Precision Submersible Heater - 50 W
    • Powerful submersible heater for aquariums up to 12 gallons
    • Equally capable in both freshwater and saltwater aquariums
    • Advanced heating element provides even heat distribution
    • Thermal safety switch automatically prevents heater failure
    • cUL Listed and backed by a class-leading lifetime warranty!

    Regular Price: USD 21.99

    Sale Price USD 18.99

    Regular Price: USD 21.99

    Sale Price USD 18.99

  • Marineland Precision Submersible Heater - 150 W
    • Powerful submersible heater for aquariums up to 40 gallons
    • Equally capable in both freshwater and saltwater aquariums
    • Advanced heating element provides even heat distribution
    • Thermal safety switch automatically prevents heater failure
    • cUL Listed and backed by a class-leading lifetime warranty!

    Regular Price: USD 24.99

    Sale Price USD 19.99

    Regular Price: USD 24.99

    Sale Price USD 19.99

  • Marineland Precision Submersible Heater - 250 W
    • Powerful submersible heater for aquariums up to 70 gallons
    • Equally capable in both freshwater and saltwater aquariums
    • Advanced heating element provides even heat distribution
    • Thermal safety switch automatically prevents heater failure
    • cUL Listed and backed by a class-leading lifetime warranty!

    Regular Price: USD 26.99

    Sale Price USD 21.99

    Regular Price: USD 26.99

    Sale Price USD 21.99

  • Marineland Precision Submersible Heater - 300 W
    • Powerful submersible heater for aquariums up to 80 gallons
    • Equally capable in both freshwater and saltwater aquariums
    • Advanced heating element provides even heat distribution
    • Thermal safety switch automatically prevents heater failure
    • cUL Listed and backed by a class-leading lifetime warranty!

    Regular Price: USD 28.99

    Sale Price USD 24.99

    Regular Price: USD 28.99

    Sale Price USD 24.99

  • Marineland Precision Submersible Heater - 400 W
    • Powerful submersible heater for aquariums up to 125 gallons
    • Equally capable in both freshwater and saltwater aquariums
    • Advanced heating element provides even heat distribution
    • Thermal safety switch automatically prevents heater failure
    • cUL Listed and backed by a class-leading lifetime warranty!

    Regular Price: USD 46.99

    Sale Price USD 39.99

    Regular Price: USD 46.99

    Sale Price USD 39.99

  • Zoo Med Bettatherm Mini Size Betta Bowl Heater - 7.5 W
    The Bettatherm Mini Size Betta Bowl Heater is a convenient small, round-size heater that fits most fish or Betta bowls. This fully-submersible heater can be buried under gravel to increase the water temperature 5-10° over ambient room temperature.
    USD 12.99
    USD 12.99

    Out of stock

  • Aqueon Submersible Aquarium Heater - 50 W
    Aqueon Submersible Heaters are accurate, reliable, durable and easy to use. Each unit is calibrated twice to ensure accuracy within +/- 1degrees F. Made from thermal shatter-resistant glass designed to absorb impacts.

    Regular Price: USD 24.99

    Sale Price USD 18.99

    Regular Price: USD 24.99

    Sale Price USD 18.99

  • Cobalt Aquatics Neo-Therm Heater - 75 W
    • Modern, super flat design
    • Easy to set "one touch" system
    • Accurate electronic thermostat (±0.5 degrees F)
    • LEDs display set and actual temperature
    • Shatterproof outer casing protects electrical components
    USD 60.99
    USD 60.99
  • Cobalt Aquatics Accu-Therm Heater - 75 W
    • Advanced, fully submersible heater
    • Equally capable in freshwater and saltwater environments
    • Computer-tested accurate to ± 2 ° Fahrenheit
    • Features an easily calibrated thermostat and Triac circuit
    • Ceramic radiator delivers even heat distribution
    USD 27.99
    USD 27.99
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