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Home / / Fish heater refurbished & used for sale | For Sale USA
25w 300w submersible aquarium - 25w-300w,

25w 300w submersible aquarium - 25w-300w,

$9.60
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Oase indoor aquatics biomaster - indoor,

Oase indoor aquatics biomaster - indoor,

$239.99
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hygger

hygger

$45.99
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hygger

hygger

$48.99
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25w 300w aquarium heater - 25w-300w,

25w 300w aquarium heater - 25w-300w,

$12.99
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Hygger aquarium heater - hygger,

Hygger aquarium heater - hygger,

$19.99
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Compact 25w waterproof - waterproof, fish

Compact 25w waterproof - waterproof, fish

$9.94
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Submersible aquarium heater - submersible,

Submersible aquarium heater - submersible,

$14.49
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Aquarium heater 300w - 2x, 25-300w

Aquarium heater 300w - 2x, 25-300w

$19.99
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Aquarium heater fish tank - heater,

Aquarium heater fish tank - heater,

$10.00
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Compact 25w waterproof fish - compact,

Compact 25w waterproof fish - compact,

$9.99
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25w mini aquarium heater betta - 25w,

25w mini aquarium heater betta - 25w,

$11.50
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hygger

hygger

$19.99
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Submersible aquarium - submersible,

Submersible aquarium - submersible,

$18.50
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hygger

hygger

$45.99
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Hygger 25w 50w - hygger, 25w/50w/75w

Hygger 25w 50w - hygger, 25w/50w/75w

$27.49
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2pcs heater 300w aquarium - heater, fish

2pcs heater 300w aquarium - heater, fish

$25.95
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300w submersible aquarium - submersible,

300w submersible aquarium - submersible,

$13.99
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Compact 25w waterproof fish - 25w,

Compact 25w waterproof fish - 25w,

$9.89
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Aqueon aquatic flat - ✅,

Aqueon aquatic flat - ✅,

$12.99
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Hygger adjustable submersible - hygger,

Hygger adjustable submersible - hygger,

$19.19
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25w 300w submersible aquarium - submersible,

25w 300w submersible aquarium - submersible,

$12.49
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Aquarium heater 300w - aquarium, 25-300w

Aquarium heater 300w - aquarium, 25-300w

$13.69
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25w 300w submersible - 25w-300w,

25w 300w submersible - 25w-300w,

$14.72
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500w lcd digital aquarium - lcd,

500w lcd digital aquarium - lcd,

$29.99
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2pcs heater 500w aquarium fish - 2pcs,

2pcs heater 500w aquarium fish - 2pcs,

$29.95
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Aquarium heater fish - aquarium,

Aquarium heater fish - aquarium,

$11.50
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Hygger 10w 25w 50w 100w - hygger,

Hygger 10w 25w 50w 100w - hygger,

$21.99
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Hygger 1000w digital - digital, aquarium

Hygger 1000w digital - digital, aquarium

$45.99
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1000w floating submersible - 1000w,

1000w floating submersible - 1000w,

$80.79
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Hygger 100w 500w - hygger, 100w-500w-1000w

Hygger 100w 500w - hygger, 100w-500w-1000w

$49.99
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Fluval t300 aquarium heater - aquarium,

Fluval t300 aquarium heater - aquarium,

$51.97
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Watt aquarium heater - watt,

Watt aquarium heater - watt,

$11.65
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25w submersible fish tank - fish,

25w submersible fish tank - fish,

$15.56
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Heater 100w 100 watts - heater,

Heater 100w 100 watts - heater,

$13.95
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Aquarium heater submersible - aquarium,

Aquarium heater submersible - aquarium,

$29.95
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Hygger 50w small - hygger,

Hygger 50w small - hygger,

$19.99
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Mini aquarium heater 25w - mini, small

Mini aquarium heater 25w - mini, small

$10.98
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500w adjustable aquarium - 500w,

500w adjustable aquarium - 500w,

$28.99
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Aquael ultra aquarium - heater,

Aquael ultra aquarium - heater,

$44.99
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Hygger 300w 500w - hygger, 300w/500w/800w/1000w

Hygger 300w 500w - hygger, 300w/500w/800w/1000w

$45.99
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Hygger aquarium heater - hygger,

Hygger aquarium heater - hygger,

$21.99
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500w submersible fish tank - 500w,

500w submersible fish tank - 500w,

$43.99
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Aqueon pro 300 precision - aqueon,

Aqueon pro 300 precision - aqueon,

$29.99
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hygger

hygger

$45.99
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hygger

hygger

$49.99
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Fluval 100w fresh salt - 100w, or

Fluval 100w fresh salt - 100w, or

$17.95
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Aquarium heater 300w - aquarium, 25-300w

Aquarium heater 300w - aquarium, 25-300w

$13.99
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Hygger 10w 1200w aquarium - hygger, 10w-1200w

Hygger 10w 1200w aquarium - hygger, 10w-1200w

$23.99
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500w smart submersible - 500w,

500w smart submersible - 500w,

$28.99
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hygger

hygger

$42.99
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300w submersible aquarium - 25-300w,

300w submersible aquarium - 25-300w,

$9.89
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Vivosun 300 watt aquarium fish - vivosun, aquarium/fish

Vivosun 300 watt aquarium fish - vivosun, aquarium/fish

$10.00
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200w aquarium heater - 200w,

200w aquarium heater - 200w,

$15.99
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Vivosun 400w digital - vivosun,

Vivosun 400w digital - vivosun,

$22.24
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Mini fish tank heater 5 - fish,

Mini fish tank heater 5 - fish,

$29.74
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Submersible fish tank heater - submersible,

Submersible fish tank heater - submersible,

$27.89
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Aqueon submersible - aqueon,

Aqueon submersible - aqueon,

$25.99
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Hygger 15w mini aquarium - hygger,

Hygger 15w mini aquarium - hygger,

$15.99
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25w mini aquarium heater betta - 25w,

25w mini aquarium heater betta - 25w,

$11.65
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Hygger 300 500 800 - hygger, 300/500/800/1000w

Hygger 300 500 800 - hygger, 300/500/800/1000w

$43.99
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200w submersible aquarium - 200w, fish

200w submersible aquarium - 200w, fish

$16.49
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Marine color 1000w titanium - marine,

Marine color 1000w titanium - marine,

$117.82
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Aquarium heater 25w fish - heater,,

Aquarium heater 25w fish - heater,,

$11.14
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Hygger 50 100w - hygger, 10/25/50/100w

Hygger 50 100w - hygger, 10/25/50/100w

$19.19
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Hygger 15w 50w 100 150w - 150w, 300w

Hygger 15w 50w 100 150w - 150w, 300w

$16.99
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Hygger aquarium heater 25w - heater,,

Hygger aquarium heater 25w - heater,,

$19.99
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100w submersible aquarium fish - aquarium,

100w submersible aquarium fish - aquarium,

$13.99
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Hygger submersible aquarium - hygger,

Hygger submersible aquarium - hygger,

$24.69
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30w mini submersible aquarium - mini,

30w mini submersible aquarium - mini,

$9.99
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Heater 200w watts submersible - heater,

Heater 200w watts submersible - heater,

$14.95
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Sicce scuba 300 watt aquarium - sicce,

Sicce scuba 300 watt aquarium - sicce,

$29.90
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Adjustable mini aquarium - adjustable,

Adjustable mini aquarium - adjustable,

$14.78
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Magnetic heater holder round - heater,

Magnetic heater holder round - heater,

$57.99
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Adjustable mini aquarium - adjustable,

Adjustable mini aquarium - adjustable,

$17.73
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Hygger small mini - small, aquarium

Hygger small mini - small, aquarium

$21.99
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300w aquarium heater fast - aquarium,

300w aquarium heater fast - aquarium,

$31.31
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Hygger mini aquarium - mini,

Hygger mini aquarium - mini,

$19.99
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Aqueon small aquarium fish - aqueon,

Aqueon small aquarium fish - aqueon,

$14.99
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500w adjustable titanium - 500w,

500w adjustable titanium - 500w,

$28.99
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Datoo aquarium external heater - datoo,

Datoo aquarium external heater - datoo,

$69.30
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300w line aquarium heater - in~line,

300w line aquarium heater - in~line,

$63.07
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Aquarium heater 800w fish - 800w, tank

Aquarium heater 800w fish - 800w, tank

$38.99
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Viaaqua titanium aquarium - viaaqua,

Viaaqua titanium aquarium - viaaqua,

$19.99
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Orlushy submersible aquarium - orlushy,

Orlushy submersible aquarium - orlushy,

$13.96
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Hygger 300 500 1000w aquarium - 300/500/1000w,

Hygger 300 500 1000w aquarium - 300/500/1000w,

$41.99
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25w mini aquarium - heater, betta

25w mini aquarium - heater, betta

$11.19
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Hygger submersible aquarium - submersible,

Hygger submersible aquarium - submersible,

$19.99
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Hygger aquarium heater - 15w, 50w

Hygger aquarium heater - 15w, 50w

$19.99
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100w aquarium submersible - 100w,

100w aquarium submersible - 100w,

$8.39
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Hygger mini aquarium heater - hygger,

Hygger mini aquarium heater - hygger,

$19.99
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Hygger 75w submersible - 75w,

Hygger 75w submersible - 75w,

$23.99
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Hygger 500w 800w aquarium - hygger,

Hygger 500w 800w aquarium - hygger,

$43.99
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Energy efficient small - energy-efficient,

Energy efficient small - energy-efficient,

$16.99
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500w titanium aquarium - titanium,

500w titanium aquarium - titanium,

$98.99
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Hitauing aquarium heater - hitauing,

Hitauing aquarium heater - hitauing,

$79.95
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📊96 listings · from $8.39 · avg $29.79

Browse 96 fish heater listings currently in our index. Prices range from $8.39 to $239.99, with an average of $29.79. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about fish heater →

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Everything you need to know about fish heater

Whether you are looking for a brand-new or second-hand fish heater, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $8.39, while premium listings can reach $239.99 — giving you a wide budget spread to work with. The average price of $29.79 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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