Fish Tank & Aquarium Heaters

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Zoo Med Paludarium Heater, 25W

Rated 4.3 out of 5 stars
28
$18.79 Chewy Price
$35.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 1 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 2 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 3 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 1 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 2 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 3 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 1 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 2 of 3
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt slide 3 of 3

Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt

Rated 4.3 out of 5 stars
106
$24.99 Chewy Price
$41.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9

Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in,...

Rated 4.4 out of 5 stars
130
$23.99 Chewy Price
$35.99 List Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Aqueon Preset Aquarium Heater, 100-watt slide 1 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 2 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 3 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 4 of 9
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Aqueon Preset Aquarium Heater, 100-watt slide 6 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 7 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 8 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 9 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 1 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 2 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 3 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 4 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 5 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 6 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 7 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 8 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 9 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 1 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 2 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 3 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 4 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 5 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 6 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 7 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 8 of 9
Aqueon Preset Aquarium Heater, 100-watt slide 9 of 9

Aqueon Preset Aquarium Heater, 100-watt

Rated 3.6 out of 5 stars
335
$20.82 Chewy Price
$32.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-watt

Rated 3.3 out of 5 stars
20
$23.97 Chewy Price
$29.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval P25 Pre-Set Aquarium Fish Heater

Rated 4.3 out of 5 stars
12
$22.99 Chewy Price
$29.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aquatop Nano Aquarium Thermostat Heater, 15-watt

Rated 2.9 out of 5 stars
15
$12.99 Chewy Price
$25.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra HT30 Submersible Aquarium Heater & Electronic Thermosat, 100-watt

Rated 4 out of 5 stars
115
$17.99 Chewy Price
$22.59 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marina 6-in Submersible Fish Heater, 50-Watts

Rated 3.2 out of 5 stars
11
$14.64 Chewy Price
$32.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon Aquatic Flat Heater, 7.5-watt

Rated 3.7 out of 5 stars
55
$14.18 Chewy Price
$17.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

GloFish Submersible Fish Heater, 50-watts

Rated 4.1 out of 5 stars
23
$17.47 Chewy Price
$22.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Precision Heater, 150 Watt

Rated 3.3 out of 5 stars
115
$34.77 Chewy Price
$43.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon Glass Adjustable Aquarium Heater, 100-watt

Rated 3.8 out of 5 stars
94
$39.95 Chewy Price
$49.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
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OASE Indoor Aquatics HeatUp 25 Adjustable Fish Heater

Rated 3.8 out of 5 stars
12
$19.95 Chewy Price
$35.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Farm Innovators Convertable Stock Tank De-Icer

Rated 4.6 out of 5 stars
27
$33.74 Chewy Price
$52.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt

Rated 4 out of 5 stars
42
$27.97 Chewy Price
$34.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

OASE Indoor Aquatics Filtosmart Thermo 200 External Fish Heater

Rated 3 out of 5 stars
2
$163.89 Chewy Price
$219.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Lifegard Pre-Set Quartz Glass Heater Electronic Control, 25 watt

Rated 4.3 out of 5 stars
12
$13.59 Chewy Price
$20.51 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 3 and Jun 7

Marina Betta Submersible Aquarium Heater

Rated 4 out of 5 stars
72
$9.68 Chewy Price
$17.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

K&H Pet Products Thermo-Pond Perfect Climate Deluxe Pond Deicer, 1500 Watt

Rated 3.8 out of 5 stars
115
$27.00 Chewy Price
$91.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Hydor Theo Shatterproof Aquarium Heater, 25-watt

Rated 3.5 out of 5 stars
44
$26.88 Chewy Price
$35.95 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between May 31 and Jun 4

Laguna Pond Heater, 500W

Rated 3.7 out of 5 stars
7
$84.88 Chewy Price
$153.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

OASE Indoor Aquatics HeatUp 300 Adjustable Fish Heater

Rated 5 out of 5 stars
4
$40.16 Chewy Price
$56.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

OASE Indoor Aquatics Filtosmart Thermo 100 External Fish Heater

Rated 3 out of 5 stars
4
$134.99 Chewy Price
$169.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

K&H Pet Products Thermo-Pond Perfect Climate Submersible Pond Deicer

Rated 3.5 out of 5 stars
21
$33.21 Chewy Price
$86.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Zoo Med Aqua Cool Aquarium Cooling Fan

Rated 2.3 out of 5 stars
7
$23.59 Chewy Price
$45.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aquael Ultra 100W Aquarium Heater

Rated 3.9 out of 5 stars
17
$57.99 Chewy Price
$74.51 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Out of Stock

K&H Pet Products Thermo-Pond

Rated 3.9 out of 5 stars
38

Free delivery on first-time orders
Free 365-day returns
Arrives between Jun 1 and Jun 5

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