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Aquarium Heaters(1000+)
Shop aquarium heaters to keep your fish tank at the perfect temperature.
Tetra 50 Watt Submersible Aquarium Heater 
Best seller
$19.97
current price $19.97Tetra
Tetra 50 Watt Submersible Aquarium Heater43.75 out of 5 stars. 4 reviews
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Tetra 100W Submersible Aquarium Heater 
Best seller
$29.97
current price $29.97Tetra
Tetra 100W Submersible Aquarium Heater213.2381 out of 5 stars. 21 reviews
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Tetra Submersible Aquarium Heater 30-60 Gallons 
Best seller
$44.98
current price $44.98Tetra
Tetra Submersible Aquarium Heater 30-60 Gallons64.1667 out of 5 stars. 6 reviews
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PENN-PLAX Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 11” Length – 150 Watt 
$49.99
current price $49.99Penn-Plax
PENN-PLAX Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 11” Length – 150 WattSave with
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Submersible Water Vitreous Heater Heating Rod for Aquarium Fish Tank You save $3.29
Now $10.70
current price Now $10.70, Was $13.99$13.99
You save$3.29
Unbranded
Submersible Water Vitreous Heater Heating Rod for Aquarium Fish TankDelivery, in 5+ days
Penn-Plax Cascade Aquarium Heater - 200 Watts - 11" Length 
$51.99
current price $51.99Penn-Plax
Penn-Plax Cascade Aquarium Heater - 200 Watts - 11" Length294.3793 out of 5 stars. 29 reviews
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PENN-PLAX Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 7.5” Length – 25 Watt 
$42.99
current price $42.99Penn-Plax
PENN-PLAX Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 7.5” Length – 25 Watt294.069 out of 5 stars. 29 reviews
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Penn Plax Mini Plastic Safe Aquarium Heater 
$29.97
current price $29.97Penn-Plax
Penn Plax Mini Plastic Safe Aquarium HeaterSave with
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Mini USB Submersible Aquarium Heater with Digital Screen - Thermostatic Heating Rod for Indoor Turtle and Tanks 
You save $29.99
Clearance
Now $21.61
current price Now $21.61, Was $51.60$51.60
You save$29.99
VivaVault
Mini USB Submersible Aquarium Heater with Digital Screen - Thermostatic Heating Rod for Indoor Turtle and TanksFree delivery, in 5+ days
Rvkxad Mini Aquarium Heater 25/50W, Intelligent Constant Temperature 26 Degrees Heating Rod for 1-10 Gal Tank, Small Aquarium Fish Tank Turtle Tank
$30.99
current price $30.99More options from $30.19
Rvkxad
Rvkxad Mini Aquarium Heater 25/50W, Intelligent Constant Temperature 26 Degrees Heating Rod for 1-10 Gal Tank, Small Aquarium Fish Tank Turtle TankFree delivery, in 5+ days