Heaters Submersible

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Aqueon Aquatic Flat Heater
Aqueon Aquatic Flat Heater ('15905012300)

Aqueon Aquatic Flat Heaters provide energy efficient heating for small desktop aquariums up to 10 gallons. These reliable, shatterproof heaters warm water up to 6?F above the ambient room temperature, and feature a suction cup for easy mounting to the bottom or side of a tank.

  • Ideal heater for desktop aquariums
  • Fully submersible & easy to install
  • Energy efficient water heating
  • Vertical or horizontal placement

All heater models include a 90-day manufacturer warranty.

Specifications:
5 Watt:

  • 0.5-2.5 gallons

7.5 Watt:

  • 1-3 gallons
  • 8"L x 4.75"W x 1.75"H

15 Watt:

    4-10 gallons
  • 9.25"L x 4.75"W x 1.75"H
Aqueon Aquatic Flat Heater - 7.5 watt (3 gallons)
$21.38
Aqueon Aquatic Flat Heater
Aqueon Aquatic Flat Heater ('15905000697)

Aqueon Aquatic Flat Heaters provide energy efficient heating for small desktop aquariums up to 10 gallons. These reliable, shatterproof heaters warm water up to 6?F above the ambient room temperature, and feature a suction cup for easy mounting to the bottom or side of a tank.

  • Ideal heater for desktop aquariums
  • Fully submersible & easy to install
  • Energy efficient water heating
  • Vertical or horizontal placement

All heater models include a 90-day manufacturer warranty.

Specifications:
5 Watt:

  • 0.5-2.5 gallons

7.5 Watt:

  • 1-3 gallons
  • 8"L x 4.75"W x 1.75"H

15 Watt:

    4-10 gallons
  • 9.25"L x 4.75"W x 1.75"H
Aqueon Aquatic Flat Heater - 5 watt (2.5 gallons)
$19.36
Aqueon Submersible Aquarium Heater
Aqueon Submersible Aquarium Heater ('15905000338)

Aqueon Submersible Aquarium Heaters maintain precision temperature control with a digital thermostat that provides more accurate readings (+/-1°F) than traditional analog thermostats. The heater unit features an auto-shut off feature for safety, and extremely durable thermal shatter-resistant glass construction.

  • Compact size with shatter resistant construction
  • Electronic thermostat provides accurate and reliable heating
  • Precise temperature control to +/-1°F
  • Auto-safety shut off and overheat protection
  • For fresh or saltwater aquariums

Includes suction cup clamps for easy mounting. May be installed vertically or horizontally. Indicator lamp shows when heater is operational.

Specifications:

  • Lifetime warranty
  • 3/4" glass tube diameter
  • UL listed
Aqueon Submersible Aquarium Heater - 300 Watt
$61.44
Aqueon Submersible Aquarium Heater
Aqueon Submersible Aquarium Heater ('15905000321)

Aqueon Submersible Aquarium Heaters maintain precision temperature control with a digital thermostat that provides more accurate readings (+/-1°F) than traditional analog thermostats. The heater unit features an auto-shut off feature for safety, and extremely durable thermal shatter-resistant glass construction.

  • Compact size with shatter resistant construction
  • Electronic thermostat provides accurate and reliable heating
  • Precise temperature control to +/-1°F
  • Auto-safety shut off and overheat protection
  • For fresh or saltwater aquariums

Includes suction cup clamps for easy mounting. May be installed vertically or horizontally. Indicator lamp shows when heater is operational.

Specifications:

  • Lifetime warranty
  • 3/4" glass tube diameter
  • UL listed
Aqueon Submersible Aquarium Heater - 200 Watt
$58.38
Aqueon Submersible Aquarium Heater
Aqueon Submersible Aquarium Heater ('15905000314)

Aqueon Submersible Aquarium Heaters maintain precision temperature control with a digital thermostat that provides more accurate readings (+/-1°F) than traditional analog thermostats. The heater unit features an auto-shut off feature for safety, and extremely durable thermal shatter-resistant glass construction.

  • Compact size with shatter resistant construction
  • Electronic thermostat provides accurate and reliable heating
  • Precise temperature control to +/-1°F
  • Auto-safety shut off and overheat protection
  • For fresh or saltwater aquariums

Includes suction cup clamps for easy mounting. May be installed vertically or horizontally. Indicator lamp shows when heater is operational.

Specifications:

  • Lifetime warranty
  • 3/4" glass tube diameter
  • UL listed
Aqueon Submersible Aquarium Heater - 150 Watt
$55.58
Aqueon Submersible Aquarium Heater
Aqueon Submersible Aquarium Heater ('15905000307)

Aqueon Submersible Aquarium Heaters maintain precision temperature control with a digital thermostat that provides more accurate readings (+/-1°F) than traditional analog thermostats. The heater unit features an auto-shut off feature for safety, and extremely durable thermal shatter-resistant glass construction.

  • Compact size with shatter resistant construction
  • Electronic thermostat provides accurate and reliable heating
  • Precise temperature control to +/-1°F
  • Auto-safety shut off and overheat protection
  • For fresh or saltwater aquariums

Includes suction cup clamps for easy mounting. May be installed vertically or horizontally. Indicator lamp shows when heater is operational.

Specifications:

  • Lifetime warranty
  • 3/4" glass tube diameter
  • UL listed
Aqueon Submersible Aquarium Heater - 100 Watt
$53.52
Aqueon Submersible Aquarium Heater
Aqueon Submersible Aquarium Heater ('15905000291)

Aqueon Submersible Aquarium Heaters maintain precision temperature control with a digital thermostat that provides more accurate readings (+/-1°F) than traditional analog thermostats. The heater unit features an auto-shut off feature for safety, and extremely durable thermal shatter-resistant glass construction.

  • Compact size with shatter resistant construction
  • Electronic thermostat provides accurate and reliable heating
  • Precise temperature control to +/-1°F
  • Auto-safety shut off and overheat protection
  • For fresh or saltwater aquariums

Includes suction cup clamps for easy mounting. May be installed vertically or horizontally. Indicator lamp shows when heater is operational.

Specifications:

  • Lifetime warranty
  • 3/4" glass tube diameter
  • UL listed
Aqueon Submersible Aquarium Heater - 50 Watt
$44.76
Aquatop Aquarium Submersible Glass Heater
Aquatop Aquarium Submersible Glass Heater ('810281019437)

Keep your aquatic creatures happy, healthy and comfortable with the Aquatop Submersible Glass Aquarium Heater. This heater features suction cups for easy installation and a very visible temperature setting.

  • 50-watt heater maintains constant, stable aquarium temperatures
  • Simple to set and adjust temperature
  • High quality, insulated glass construction

Specifications:
50 Watt: 9" (Aquariums up to 13 Gallons)
75 Watt: 9" (Aquariums up to 20 Gallons)
100 Watt: 10.5" (Aquariums up to 25 Gallons)
200 Watt: 12.5" (Aquariums up to 50 Gallons)
250 Watt: 12.5" (Aquariums up to 65 Gallons)
300 Watt: 14.5" (Aquariums up to 75 Gallons)

Aquatop Aquarium Submersible Glass Heater - 300 Watts - 14.5" Tall (Aquariums up to 75 Gallons)
$49.96
Aquatop Aquarium Submersible Glass Heater
Aquatop Aquarium Submersible Glass Heater ('810281019420)

Keep your aquatic creatures happy, healthy and comfortable with the Aquatop Submersible Glass Aquarium Heater. This heater features suction cups for easy installation and a very visible temperature setting.

  • 50-watt heater maintains constant, stable aquarium temperatures
  • Simple to set and adjust temperature
  • High quality, insulated glass construction

Specifications:
50 Watt: 9" (Aquariums up to 13 Gallons)
75 Watt: 9" (Aquariums up to 20 Gallons)
100 Watt: 10.5" (Aquariums up to 25 Gallons)
200 Watt: 12.5" (Aquariums up to 50 Gallons)
250 Watt: 12.5" (Aquariums up to 65 Gallons)
300 Watt: 14.5" (Aquariums up to 75 Gallons)

Aquatop Aquarium Submersible Glass Heater - 250 Watts - 12.5" Tall (Aquariums up to 65 Gallons)
$47.18
Aquatop Aquarium Submersible Glass Heater
Aquatop Aquarium Submersible Glass Heater ('810281019383)

Keep your aquatic creatures happy, healthy and comfortable with the Aquatop Submersible Glass Aquarium Heater. This heater features suction cups for easy installation and a very visible temperature setting.

  • 50-watt heater maintains constant, stable aquarium temperatures
  • Simple to set and adjust temperature
  • High quality, insulated glass construction

Specifications:
50 Watt: 9" (Aquariums up to 13 Gallons)
75 Watt: 9" (Aquariums up to 20 Gallons)
100 Watt: 10.5" (Aquariums up to 25 Gallons)
200 Watt: 12.5" (Aquariums up to 50 Gallons)
250 Watt: 12.5" (Aquariums up to 65 Gallons)
300 Watt: 14.5" (Aquariums up to 75 Gallons)

Aquatop Aquarium Submersible Glass Heater - 75 Watts - 9" Tall (Aquariums up to 20 Gallons)
$36.66
Aquatop Aquarium Submersible Glass Heater
Aquatop Aquarium Submersible Glass Heater ('810281019376)

Keep your aquatic creatures happy, healthy and comfortable with the Aquatop Submersible Glass Aquarium Heater. This heater features suction cups for easy installation and a very visible temperature setting.

  • 50-watt heater maintains constant, stable aquarium temperatures
  • Simple to set and adjust temperature
  • High quality, insulated glass construction

Specifications:
50 Watt: 9" (Aquariums up to 13 Gallons)
75 Watt: 9" (Aquariums up to 20 Gallons)
100 Watt: 10.5" (Aquariums up to 25 Gallons)
200 Watt: 12.5" (Aquariums up to 50 Gallons)
250 Watt: 12.5" (Aquariums up to 65 Gallons)
300 Watt: 14.5" (Aquariums up to 75 Gallons)

Aquatop Aquarium Submersible Glass Heater - 50 Watts - 9" Tall (Aquariums up to 13 Gallons)
$35.02
Tetra Submersible Heater
Tetra Submersible Heater ('46798264460)

Tetra HT-Series Submersible Heaters are created especially for ease of use in your aquarium. An electronic thermostat automatically adjusts the heat output to keep the water at a constant 78 degrees F, so all you have to do is plug it in!

  • Easy to control with no adjustment required
  • Fully submersible and shock resistant
  • Maintains constant healthy water temperature
  • 2-year manufacturer warranty

An electronic thermostat automatically maintains water temperature at 78 degrees (+/-2) F/25 degrees (+/-1) C, and prevents overheating to extend the life of the heater. No adjustments are necessary. The indicator light lets you know when the water is being heated (red light) and when it is at the proper temperature (green light), while precision crystals improve heat distribution and transfer. The strong glass tube is heat and shock resistant.

Specifications:
HT10: 50 Watt (2-10 Gallons)
HT30: 100 Watt (10-30 Gallons)
HT55: 200 Watt (40-55 Gallons)

Tetra Submersible Heater - HT30 Heater - 100 Watt - (Aquariums 10-30 Gallons)
$26.42
Tetra Submersible Heater
Tetra Submersible Heater ('46798264477)

Tetra HT-Series Submersible Heaters are created especially for ease of use in your aquarium. An electronic thermostat automatically adjusts the heat output to keep the water at a constant 78 degrees F, so all you have to do is plug it in!

  • Easy to control with no adjustment required
  • Fully submersible and shock resistant
  • Maintains constant healthy water temperature
  • 2-year manufacturer warranty

An electronic thermostat automatically maintains water temperature at 78 degrees (+/-2) F/25 degrees (+/-1) C, and prevents overheating to extend the life of the heater. No adjustments are necessary. The indicator light lets you know when the water is being heated (red light) and when it is at the proper temperature (green light), while precision crystals improve heat distribution and transfer. The strong glass tube is heat and shock resistant.

Specifications:
HT10: 50 Watt (2-10 Gallons)
HT30: 100 Watt (10-30 Gallons)
HT55: 200 Watt (40-55 Gallons)

Tetra Submersible Heater - HT10 Heater - 50 Watt - (Aquariums 2-10 Gallons)
$22.52
Tetra Submersible Heater
Tetra Submersible Heater ('46798264637)

Tetra HT-Series Submersible Heaters are created especially for ease of use in your aquarium. An electronic thermostat automatically adjusts the heat output to keep the water at a constant 78 degrees F, so all you have to do is plug it in!

  • Easy to control with no adjustment required
  • Fully submersible and shock resistant
  • Maintains constant healthy water temperature
  • 2-year manufacturer warranty

An electronic thermostat automatically maintains water temperature at 78 degrees (+/-2) F/25 degrees (+/-1) C, and prevents overheating to extend the life of the heater. No adjustments are necessary. The indicator light lets you know when the water is being heated (red light) and when it is at the proper temperature (green light), while precision crystals improve heat distribution and transfer. The strong glass tube is heat and shock resistant.

Specifications:
HT10: 50 Watt (2-10 Gallons)
HT30: 100 Watt (10-30 Gallons)
HT55: 200 Watt (40-55 Gallons)

Tetra Submersible Heater - HT55 Heater - 200 Watt - (Aquariums 40-55 Gallons)
$38.38
Fluval Vuetech Digital Aquarium Heater - E Series
Fluval Vuetech Digital Aquarium Heater - E Series ('15561107730)

Fluval Vuetech E Series Heaters use an advanced digital microprocessor to continuously monitor aquarium water temperature. An internal thermal sensor constantly samples aquarium water temperature for greater accuracy and reliability.

  • The most technologically advanced submersible aquarium heater available today
  • Safe for for freshwater and saltwater aquariums
  • Thermal sensor that continuously samples aquarium water temperature for greater accuracy and reliability

The manufacturer does not state the range that the heater can be set to, merely the actual temperature with high and low alerts on the LED. The Vuetech E Series Heater innovative color-coded temperature alert feature changes LCD screen color if aquarium water temperature varies from the pre-set temperature (Green = Safe Zone, Red = High Temperature Alert, Blue = Low Temperature Alert). The Vuetech E Series Heater has an easy-to-use adjustment lever that allows precision temperature settings in 0.5° increments and integrated heater guard offers advanced protection for fish and invertebrates.

Specifications:
200 Watt: 14" Long (Up to 65 gallons)
300 Watt: 14" Long (Up to 100 gallons)

Fluval Vuetech Digital Aquarium Heater - E Series - E200 - 200 Watts - Up to 65 Gallons (14" Long)
$112.56
Fluval Vuetech Digital Aquarium Heater - E Series
Fluval Vuetech Digital Aquarium Heater - E Series ('15561107747)

Fluval Vuetech E Series Heaters use an advanced digital microprocessor to continuously monitor aquarium water temperature. An internal thermal sensor constantly samples aquarium water temperature for greater accuracy and reliability.

  • The most technologically advanced submersible aquarium heater available today
  • Safe for for freshwater and saltwater aquariums
  • Thermal sensor that continuously samples aquarium water temperature for greater accuracy and reliability

The manufacturer does not state the range that the heater can be set to, merely the actual temperature with high and low alerts on the LED. The Vuetech E Series Heater innovative color-coded temperature alert feature changes LCD screen color if aquarium water temperature varies from the pre-set temperature (Green = Safe Zone, Red = High Temperature Alert, Blue = Low Temperature Alert). The Vuetech E Series Heater has an easy-to-use adjustment lever that allows precision temperature settings in 0.5° increments and integrated heater guard offers advanced protection for fish and invertebrates.

Specifications:
200 Watt: 14" Long (Up to 65 gallons)
300 Watt: 14" Long (Up to 100 gallons)

Fluval Vuetech Digital Aquarium Heater - E Series - E300 - 300 Watts - Up to 100 Gallons (14" Long)
$117.86
Marina Mini Submersile Aquarium Heater
Marina Mini Submersile Aquarium Heater ('15561112314)

Small yet powerful, the mini 50-watt Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up to 10 gallon aquariums. The heater includes many practical features for easy use, safety and convenience, including an easy-to-access temperature set dial, on/off pilot light indicator, and a bumper guard for fish safety. Made of durable high-impact glass, its built to last under normal aquatic conditions.

  • Easy-To-Access Temperature Set Dial
  • Fresh & Saltwater
  • Water Proof Sealing
  • Bumper Guard for Fish Safety
  • Heat range 68F to 82F (20C to 28C)
Marina Mini Submersile Aquarium Heater - 50 Watts
$33.38
Marina Submersible Aquarium Heater
Marina Submersible Aquarium Heater ('15561112338)

Marina submersible aquarium heater is designed to provide a reliable heating solution for both salt and freshwater aquariums up to 30 gallons. Easy to use, the heater has numerous features making it safe and convenient even for the first time users. It gives you easy access to temperature set dial, on/off pilot light indicator and a bumper guard. It is made of high-quality, durable glass made to last under normal aquatic conditions.

  • Works excellently for both fresh and saltwater aquariums
  • Comes with all essential features
  • Easy to install includes bracket with suction cups
  • Water proof sealing

This submersible aquarium heater from Marina ensures your water tank does not get too cool in winters.

Marina Submersible Aquarium Heater - 100 watt (8.5"L)
$36.18
Marina Submersible Aquarium Heater
Marina Submersible Aquarium Heater ('15561112345)

Marina submersible aquarium heater is designed to provide a reliable heating solution for both salt and freshwater aquariums up to 30 gallons. Easy to use, the heater has numerous features making it safe and convenient even for the first time users. It gives you easy access to temperature set dial, on/off pilot light indicator and a bumper guard. It is made of high-quality, durable glass made to last under normal aquatic conditions.

  • Works excellently for both fresh and saltwater aquariums
  • Comes with all essential features
  • Easy to install includes bracket with suction cups
  • Water proof sealing

This submersible aquarium heater from Marina ensures your water tank does not get too cool in winters.

Marina Submersible Aquarium Heater - 150 watt (10.5"L)
$49.74
Marina Submersible Aquarium Heater
Marina Submersible Aquarium Heater ('15561112352)

Marina submersible aquarium heater is designed to provide a reliable heating solution for both salt and freshwater aquariums up to 30 gallons. Easy to use, the heater has numerous features making it safe and convenient even for the first time users. It gives you easy access to temperature set dial, on/off pilot light indicator and a bumper guard. It is made of high-quality, durable glass made to last under normal aquatic conditions.

  • Works excellently for both fresh and saltwater aquariums
  • Comes with all essential features
  • Easy to install includes bracket with suction cups
  • Water proof sealing

This submersible aquarium heater from Marina ensures your water tank does not get too cool in winters.

Marina Submersible Aquarium Heater - 200 watt (10.5"L)
$49.74
Marina Submersible Aquarium Heater
Marina Submersible Aquarium Heater ('15561112369)

Marina submersible aquarium heater is designed to provide a reliable heating solution for both salt and freshwater aquariums up to 30 gallons. Easy to use, the heater has numerous features making it safe and convenient even for the first time users. It gives you easy access to temperature set dial, on/off pilot light indicator and a bumper guard. It is made of high-quality, durable glass made to last under normal aquatic conditions.

  • Works excellently for both fresh and saltwater aquariums
  • Comes with all essential features
  • Easy to install includes bracket with suction cups
  • Water proof sealing

This submersible aquarium heater from Marina ensures your water tank does not get too cool in winters.

Marina Submersible Aquarium Heater - 300 watt (10.5"L)
$53.70
Marina Betta Submersible Aquarium Heater
Marina Betta Submersible Aquarium Heater ('15561111829)

Marina Betta Heater is an automatic, submersible heater that creates ideal water conditions for bettas to thrive in. The exterior is made of durable polymer, which is more resilient than traditional glass sleeve heaters. The heater is designed to reach and maintain a set temperatureno manual adjustments required. It has a red indicator light that illuminates when the heater is working. It comes with a suction cup, so you can easily install it against the aquarium window.

  • Automatic, Submersible Aquarium Heater
  • Creates Ideal Conditions for Bettas to Thrive In
  • Made of Durable Polymer, Tougher Than Glass
  • Automatically Reaches Set Temperature
  • For Aquariums up to 1.5 Gallons
Marina Betta Submersible Aquarium Heater - 8 watt
$22.92
Zoo Med Aquatic Betta Therm Mini Aquarium Heater
Zoo Med Aquatic Betta Therm Mini Aquarium Heater ('97612240047)

Zoo Med BettaTherm Heaters are perfect for your betta fish whose life is best in warm water. This 7.5 watt heater helps keep your betta bowl 5 - 10 degrees warmer than room temperature and is 100% submersible. The Betta Therm Heaters are designed in a round shape and fits in most glass or acrylic fish bowls.

  • 3" Diameter - 7.5 Watts for 1-3 Gallons
  • Increases temperature 5-10 degrees from ambient temperature
  • Submersible heater can be used in Glass or Acrylic tanks and bowls
Zoo Med Aquatic Betta Therm Mini Aquarium Heater - 7.5 Watts
$20.12
Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater
Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater ('97612303520)

The Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater is fully submersible and simple to use, with a preset thermostat that keeps your turtles habitat at a safe and comfortable 78°F. Mount it in seconds with included suction cups, plug it in, and you're done!

  • Preset thermostat keeps water safe and comfortable at 78°F
  • Fully submersible with digital temperature display and suction cup mounting
  • Keeps aquatic turtles healthy and happy
  • Helps prevent appetite loss due to cold water

The Turtletherm is great for Red Eared Sliders, African Sidenecks, Musk, Mud, Painted, Map, Diamondback Terrapin, and a variety of other aquatic turtles.

Note: Fully submerge heater in water before plugging heater into electrical outlet. Safety shut-off activated if removed from water.

Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater - 150 Watt (Up to 50 Gallons)
$56.68
Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater
Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater ('97612303537)

The Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater is fully submersible and simple to use, with a preset thermostat that keeps your turtles habitat at a safe and comfortable 78°F. Mount it in seconds with included suction cups, plug it in, and you're done!

  • Preset thermostat keeps water safe and comfortable at 78°F
  • Fully submersible with digital temperature display and suction cup mounting
  • Keeps aquatic turtles healthy and happy
  • Helps prevent appetite loss due to cold water

The Turtletherm is great for Red Eared Sliders, African Sidenecks, Musk, Mud, Painted, Map, Diamondback Terrapin, and a variety of other aquatic turtles.

Note: Fully submerge heater in water before plugging heater into electrical outlet. Safety shut-off activated if removed from water.

Zoo Med Turtletherm Automatic Preset Aquatic Turtle Heater - 300 Watt (Up to 100 Gallons)
$63.98
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