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    • Aquarium Heaters & Chillers
    • Aquarium Submersible Heaters

    Aquarium Submersible Heaters

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    Best Selling

    • Odyssea Heat Pro 500w Aquarium Heater
      Odyssea Heat Pro 500w Aquarium Heater
      4.5 out of 5 stars (81)Total Ratings 81
      $14.95 New
    • Fluval M150 Submersible Glass Aquarium Heater 150 Watt
      Fluval M150 Submersible Glass Aquarium Heater 150 Watt
      5 out of 5 stars (6)Total Ratings 6
      $18.00 New
    • Mini Aquarium Heater 25w Small Fish Tank Heater 25 Watt With Thermometer
      Mini Aquarium Heater 25w Small Fish Tank Heater 25 Watt With Thermometer
      5 out of 5 stars (2)Total Ratings 2
      $12.91 New
    • Fluval M100 Submersible Glass Aquarium Heater 100 Watt Hagen A782
      Fluval M100 Submersible Glass Aquarium Heater 100 Watt Hagen A782
      5 out of 5 stars (5)Total Ratings 5
      $39.47 New
    • Finnex 500w Digital Touch Control Aquarium Titanium Heater Guard
      Finnex 500w Digital Touch Control Aquarium Titanium Heater Guard
      4.6 out of 5 stars (10)Total Ratings 10
      $55.74 New
    • Fluval M50 Submersible Glass Aquarium Heater 50 Watt
      Fluval M50 Submersible Glass Aquarium Heater 50 Watt
      4.9 out of 5 stars (17)Total Ratings 17
      $17.00 New
    • Hagen AquaClear 25 Watt Submersible Aquarium Heater 2 S H a 701 015561107013
      Hagen AquaClear 25 Watt Submersible Aquarium Heater 2 S H a 701 015561107013
      5 out of 5 stars (5)Total Ratings 5
      $9.99 New
    • Aqueon Pro 300W Aquarium Heater - 100532087
      Aqueon Pro 300W Aquarium Heater - 100532087
      4.4 out of 5 stars (14)Total Ratings 14
      $26.49 New
    • All

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    3,130 Results

    • Type: Submersible Heater - Remove Filter
      • Submersible Heater filter applied
      • 5 gal.
      • 10 gal.
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    • Aquarium Heater Submersible Fish Tank Adjustable 50W 100W 200W 300W 500W Watts
      SPONSORED

      Aquarium Heater Submersible Fish Tank Adjustable 50W 100W 200W 300W 500W Watts

      $8.95 to $14.95
      Free shipping
      749 sold
    • Aquaneat Aquarium Heater 25-500W Anti-Explosion for Tropical Fish Tank 5-100 gal
      SPONSORED

      Aquaneat Aquarium Heater 25-500W Anti-Explosion for Tropical Fish Tank 5-100 gal

      $8.99 to $15.19
      Free shipping
      3,040 sold
    • US Aquarium Water Heater 100W-200-300W Submersible Fish Tank Thermostat Heating
      SPONSORED

      US Aquarium Water Heater 100W-200-300W Submersible Fish Tank Thermostat Heating

      $6.99 to $14.99
      Free shipping
      182 sold
    • Hagen Submersible Aquarium Heater 25W-50W-100W Fresh and saltwater Made in Italy

      Hagen Submersible Aquarium Heater 25W-50W-100W Fresh and saltwater Made in Italy

      5 out of 5 stars (5)5 product ratings - Hagen Submersible Aquarium Heater 25W-50W-100W Fresh and saltwater Made in Italy
      $9.99 to $13.99
      Free shipping
    • AQUEON Aquatic Flat Heater 5W for Desktop Aquariums Up To 2.5 Gallons Tropical

      AQUEON Aquatic Flat Heater 5W for Desktop Aquariums Up To 2.5 Gallons Tropical

      $11.90
      or Best Offer
    • Aqueon Submersible Aquarium Heater 300W for Aquariums up to 100 gal Upc0338 NEW

      Aqueon Submersible Aquarium Heater 300W for Aquariums up to 100 gal Upc0338 NEW

      4 out of 5 stars (12)12 product ratings - Aqueon Submersible Aquarium Heater 300W for Aquariums up to 100 gal Upc0338 NEW
      $5.50
      5 bids
      $7.00 shipping
      Ending Saturday at 9:57AM PDT10h 21m
    • FLUVAL  M150 SUBMERSIBLE GLASS AQUARIUM HEATER 150 WATT HAGEN A783 (upc7839)

      FLUVAL M150 SUBMERSIBLE GLASS AQUARIUM HEATER 150 WATT HAGEN A783 (upc7839)

      5 out of 5 stars (6)6 product ratings - FLUVAL M150 SUBMERSIBLE GLASS AQUARIUM HEATER 150 WATT HAGEN A783 (upc7839)
      $18.00
    • Eheim True Temp 150 Watt Fully Submersible Aquarium Heater - #3616

      Eheim True Temp 150 Watt Fully Submersible Aquarium Heater - #3616

      $18.00
      Only 1 left!
    • Aquarium Heater 300W Fish Tank Heater Submersible Thermostat w/ Adjustable Knob

      Aquarium Heater 300W Fish Tank Heater Submersible Thermostat w/ Adjustable Knob

      $11.99
      Free shipping
      180 sold
    • Hagen Aquarium Heater 100W Submersible Adjustable. 11" long. Up to 30 gls. Italy

      Hagen Aquarium Heater 100W Submersible Adjustable. 11" long. Up to 30 gls. Italy

      $13.99
      Free shipping
    • Aqueon Flat Submersible Heater 7.5W good for 2.5-5 Gallon fish Tanks Beta

      Aqueon Flat Submersible Heater 7.5W good for 2.5-5 Gallon fish Tanks Beta

      4.5 out of 5 stars (14)14 product ratings - Aqueon Flat Submersible Heater 7.5W good for 2.5-5 Gallon fish Tanks Beta
      $11.88
      $4.42 shipping
    • Fluval M200 Watt Submersible Heater, for tanks up to 65 Gal -

      Fluval M200 Watt Submersible Heater, for tanks up to 65 Gal -

      $17.00
      Free shipping
      or Best Offer
      6 watching
    • Tetra HT10 Submersible Aquarium Heater (50-Watt) 2-10 Gallons. Auto Temp

      Tetra HT10 Submersible Aquarium Heater (50-Watt) 2-10 Gallons. Auto Temp

      4.5 out of 5 stars (88)88 product ratings - Tetra HT10 Submersible Aquarium Heater (50-Watt) 2-10 Gallons. Auto Temp
      $11.00
      $5.90 shipping
      or Best Offer
    • Aquarium Heater Submersible Fish Tank Adjustable 50W 100W 200W 300W Watts
      SPONSORED

      Aquarium Heater Submersible Fish Tank Adjustable 50W 100W 200W 300W Watts

      $10.99 to $15.99
    • “NEW” Tetra Submersible Aquarium Heater 100W - 10-30 Gallon Fish Tanks Auto-Temp
      SPONSORED

      “NEW” Tetra Submersible Aquarium Heater 100W - 10-30 Gallon Fish Tanks Auto-Temp

      4 out of 5 stars (24)24 product ratings - “NEW” Tetra Submersible Aquarium Heater 100W - 10-30 Gallon Fish Tanks Auto-Temp
      $21.99
    • Heater 500W Aquarium 500 Watts Submersible Freshwater Marine Adjustable 100G
      SPONSORED

      Heater 500W Aquarium 500 Watts Submersible Freshwater Marine Adjustable 100G

      4.5 out of 5 stars (81)81 product ratings - Heater 500W Aquarium 500 Watts Submersible Freshwater Marine Adjustable 100G
      $14.95
      Free shipping
      4,686 sold
    • Aqueon Pro 150W Aquarium Heater Black (Up to 55 Gallons)

      Aqueon Pro 150W Aquarium Heater Black (Up to 55 Gallons)

      4.5 out of 5 stars (7)7 product ratings - Aqueon Pro 150W Aquarium Heater Black (Up to 55 Gallons)
      $0.99
      1 bid
      $11.75 shipping
      Ending Saturday at 6:04PM PDT18h 28m
    • 2pcs Heater 500W Aquarium Fish Tank Submersible Adjustable Odyssea 500 Watts

      2pcs Heater 500W Aquarium Fish Tank Submersible Adjustable Odyssea 500 Watts

      $27.95
      Free shipping
      3,676 sold
    • Eheim Jager TruTemp Submersible Aquarium Heater 100W/150W/200W/250W/300W

      Eheim Jager TruTemp Submersible Aquarium Heater 100W/150W/200W/250W/300W

      4.5 out of 5 stars (19)19 product ratings - Eheim Jager TruTemp Submersible Aquarium Heater 100W/150W/200W/250W/300W
      $27.97 to $31.97
      $10.70 shipping
      14 sold
    • Tetra Submersible Aquarium Heater 2 - 10 Gallon Fish Tank Aquarium 50 Watt

      Tetra Submersible Aquarium Heater 2 - 10 Gallon Fish Tank Aquarium 50 Watt

      4 out of 5 stars (24)24 product ratings - Tetra Submersible Aquarium Heater 2 - 10 Gallon Fish Tank Aquarium 50 Watt
      $14.88
      $4.42 shipping
      or Best Offer
    • 25W Mini Aquarium Heater Betta Fish Tank Heater For 1-5 Gallon Small Fish Tanks

      25W Mini Aquarium Heater Betta Fish Tank Heater For 1-5 Gallon Small Fish Tanks

      5 out of 5 stars (2)2 product ratings - 25W Mini Aquarium Heater Betta Fish Tank Heater For 1-5 Gallon Small Fish Tanks
      $13.78
      Free shipping
      Only 1 left!
    • Aquarium Heater 500W Fish Tank Heater Submersible Thermostat w/ Adjustable Knob

      Aquarium Heater 500W Fish Tank Heater Submersible Thermostat w/ Adjustable Knob

      $13.98
      Was: $15.99
      Free shipping
      208 sold
    • Aquarium Heater Submersible Fish Tank Adjustable with Cover Guard 25W-300W New

      Aquarium Heater Submersible Fish Tank Adjustable with Cover Guard 25W-300W New

      $8.59 to $14.99
      Free shipping
    • 2pcs Heater 300W Aquarium Fish Tank Submersible Adjustable Odyssea 60 75 100 gal

      2pcs Heater 300W Aquarium Fish Tank Submersible Adjustable Odyssea 60 75 100 gal

      $24.95
      Free shipping
      3,219 sold
    • Top Fin H150 Aquarium Heater 5253138, 150W, Up To 30 Gal Tank UPC: 737257679139

      Top Fin H150 Aquarium Heater 5253138, 150W, Up To 30 Gal Tank UPC: 737257679139

      $2.99
      1 bid
      $6.50 shipping
      Ending Jul 5 at 3:00AM PDT3d 3h
    • Fluval M 300watt Submersible Heater

      Fluval M 300watt Submersible Heater

      $35.95
      Free shipping
    • FINNEX - HC-810M DIGITAL TEMPERATURE CONTROLLER (UP TO 800 WATTS)

      FINNEX - HC-810M DIGITAL TEMPERATURE CONTROLLER (UP TO 800 WATTS)

      4.5 out of 5 stars (11)11 product ratings - FINNEX - HC-810M DIGITAL TEMPERATURE CONTROLLER (UP TO 800 WATTS)
      $49.90
      Only 1 left!
    • Cobalt Aquatic Neo Therm Submersible Aquarium Heater 200 WATT
      SPONSORED

      Cobalt Aquatic Neo Therm Submersible Aquarium Heater 200 WATT

      $65.69
      Free shipping
    • 25W Aquarium Heater with cover Anti-Explosion Adjustable 6pcs
      SPONSORED

      25W Aquarium Heater with cover Anti-Explosion Adjustable 6pcs

      $35.99
      Was: $39.99
      Free shipping
    • Simple Deluxe 300W Aquarium Heater 50-60Gal Fish Tank Submersible Tube Heating
      SPONSORED

      Simple Deluxe 300W Aquarium Heater 50-60Gal Fish Tank Submersible Tube Heating

      $22.89
      Free shipping
      or Best Offer
    • 2pcs Heater 200W Aquarium Submersible Adjustable Odyssea 200 Watts
      SPONSORED

      2pcs Heater 200W Aquarium Submersible Adjustable Odyssea 200 Watts

      $22.95
      Free shipping
      2,828 sold
    • 25W-300W Aquarium Heater Submersible Water Heating Rod Anti-Explosion Fish Tank

      25W-300W Aquarium Heater Submersible Water Heating Rod Anti-Explosion Fish Tank

      $9.99 to $13.99
      106 sold
    • Eheim True Temp 50 Watt Aquarium Heater Shatter Proof Glass(1348

      Eheim True Temp 50 Watt Aquarium Heater Shatter Proof Glass(1348

      5 out of 5 stars (11)11 product ratings - Eheim True Temp 50 Watt Aquarium Heater Shatter Proof Glass(1348
      $17.00
    • Aqueon 150W Aquarium Heater #0314

      Aqueon 150W Aquarium Heater #0314

      4 out of 5 stars (6)6 product ratings - Aqueon 150W Aquarium Heater #0314
      $14.00
    • FLUVAL  M50 SUBMERSIBLE GLASS AQUARIUM HEATER 50 WATT  HAGEN A-781 (7815)

      FLUVAL M50 SUBMERSIBLE GLASS AQUARIUM HEATER 50 WATT HAGEN A-781 (7815)

      5 out of 5 stars (17)17 product ratings - FLUVAL M50 SUBMERSIBLE GLASS AQUARIUM HEATER 50 WATT HAGEN A-781 (7815)
      $17.00
    • Hagen Aquarium Heater 50W Submersible Adjustable. Up to 10 gls. 11" long. Italy

      Hagen Aquarium Heater 50W Submersible Adjustable. Up to 10 gls. 11" long. Italy

      4.5 out of 5 stars (2)2 product ratings - Hagen Aquarium Heater 50W Submersible Adjustable. Up to 10 gls. 11" long. Italy
      $13.99
      Free shipping
    • Aquarium Heater+ +Cover Guard 25-500W Anti-Explosion for Tropical Fish Tank USA

      Aquarium Heater+ +Cover Guard 25-500W Anti-Explosion for Tropical Fish Tank USA

      $10.99 to $13.99
      Free shipping
    • 300W Aquarium Heater Fresh Water Submersible LED Digital Temperature Display US
      SPONSORED

      300W Aquarium Heater Fresh Water Submersible LED Digital Temperature Display US

      $29.74
      Was: $34.99
      Free shipping
    • Aqueon Aquatic Flat Heater 7.5 Watts Submersible for Fish Tank Aquarium
      SPONSORED

      Aqueon Aquatic Flat Heater 7.5 Watts Submersible for Fish Tank Aquarium

      4.5 out of 5 stars (14)14 product ratings - Aqueon Aquatic Flat Heater 7.5 Watts Submersible for Fish Tank Aquarium
      $15.95
      Was: $49.99
      Free shipping
      Only 2 left
    • Aquarium Heater 25/50/100/200/300W with Cover Guard Anti-Explosion

      Aquarium Heater 25/50/100/200/300W with Cover Guard Anti-Explosion

      $9.59 to $15.19
      Was: $14.89
      Free shipping
      84 sold
    • Fluval M 200 Watt Submersible Heater, for tanks up to 65 Gal (UPC7846)

      Fluval M 200 Watt Submersible Heater, for tanks up to 65 Gal (UPC7846)

      $18.00
      Only 1 left!
    • FLUVAL SUBMERSIBLE HEATER P10 PRE-SET  10 WATT (7433)

      FLUVAL SUBMERSIBLE HEATER P10 PRE-SET 10 WATT (7433)

      5 out of 5 stars (2)2 product ratings - FLUVAL SUBMERSIBLE HEATER P10 PRE-SET 10 WATT (7433)
      $10.00
    • Aquarium Heater Submersible Auto Thermostat Heater Fish Tank Water Heating Rods

      Aquarium Heater Submersible Auto Thermostat Heater Fish Tank Water Heating Rods

      $9.99 to $13.99
      Free shipping
      230 sold
    • Fluval M 300watt Submersible Heater,  by Fluval SEA (upc7877)

      Fluval M 300watt Submersible Heater, by Fluval SEA (upc7877)

      $23.00
    • Foxhymir Submersible Aquarium Heater 300W/500W Fish Tank Heater with Accurate...

      Foxhymir Submersible Aquarium Heater 300W/500W Fish Tank Heater with Accurate...

      $21.06
      Free shipping
      34 sold
    • TOPFIN H300 WATT AQUARIUM HEATER 45-65  GALLON FISH TANKS (9153)

      TOPFIN H300 WATT AQUARIUM HEATER 45-65 GALLON FISH TANKS (9153)

      3.5 out of 5 stars (3)3 product ratings - TOPFIN H300 WATT AQUARIUM HEATER 45-65 GALLON FISH TANKS (9153)
      $15.00
      Only 1 left!

    Results Pagination - Page 1

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    Top Rated

    See All- Top Rated
    • EHEIM Jager TruTemp 300W Submersible Heater
      EHEIM Jager TruTemp 300W Submersible Heater
      4.9 out of 5 stars (49)Total Ratings 49
      92% agree - Would recommend
      $34.95 New
      $21.95 Used
    • Fluval M50 Submersible Glass Aquarium Heater 50 Watt
      Fluval M50 Submersible Glass Aquarium Heater 50 Watt
      4.9 out of 5 stars (17)Total Ratings 17
      100% agree - Would recommend
      $17.00 New
    • Aqueon 100532086 Pro Aquarium Heater
      Aqueon 100532086 Pro Aquarium Heater
      4.8 out of 5 stars (13)Total Ratings 13
      100% agree - Would recommend
      $22.00 New
    • EHEIM Jager Aquarium Thermostat Heater 50w 50 Watt
      EHEIM Jager Aquarium Thermostat Heater 50w 50 Watt
      4.9 out of 5 stars (11)Total Ratings 11
      100% agree - Would recommend
      $17.00 New
    • Fluval M150 Submersible Glass Aquarium Heater 150 Watt
      Fluval M150 Submersible Glass Aquarium Heater 150 Watt
      5 out of 5 stars (6)Total Ratings 6
      100% agree - Would recommend
      $18.00 New
    • Tetra Ht10 Submersible Aquarium Heater (50-Watt)
      Tetra Ht10 Submersible Aquarium Heater (50-Watt)
      4.7 out of 5 stars (88)Total Ratings 88
      93% agree - Would recommend
      $10.00 New
    • Odyssea Heat Pro 500w Aquarium Heater
      Odyssea Heat Pro 500w Aquarium Heater
      4.5 out of 5 stars (81)Total Ratings 81
      90% agree - Would recommend
      $14.95 New
    • Aqueon Pro 300W Aquarium Heater - 100532087
      Aqueon Pro 300W Aquarium Heater - 100532087
      4.4 out of 5 stars (14)Total Ratings 14
      87% agree - Would recommend
      $26.49 New
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