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Aquarium heater

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Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£13.95
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Hepo aquarium heater - heater, tank

Hepo aquarium heater - heater, tank

£10.99
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Aquarium heater 500w - aquarium,

Aquarium heater 500w - aquarium,

£20.45
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Aquarium heater submersible - aquarium,

Aquarium heater submersible - aquarium,

£13.99
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Fluval aquarium heater - fluval,

Fluval aquarium heater - fluval,

£24.99
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Hidom proheat quartz - hidom,

Hidom proheat quartz - hidom,

£18.45
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Interpet deltatherm - eu,

Interpet deltatherm - eu,

£8.95
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200 300 500w - 200/300/500w, digital

200 300 500w - 200/300/500w, digital

£10.79
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Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£13.95
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Stainless steel aquarium - stainless,

Stainless steel aquarium - stainless,

£9.34
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Aquarium water heater aqua - water,

Aquarium water heater aqua - water,

£12.55
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10w usb mini aquarium heater - 10w,

10w usb mini aquarium heater - 10w,

£5.49
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Hidom aquarium heater - hidom,

Hidom aquarium heater - hidom,

£10.95
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300w aquarium fish - 300w,

300w aquarium fish - 300w,

£13.49
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Aquarium heater 500w - aquarium,

Aquarium heater 500w - aquarium,

£19.99
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External heater thermostat for - external,

External heater thermostat for - external,

£34.99
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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£29.99
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Fluval series aquarium - fluval,

Fluval series aquarium - fluval,

£24.99
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Interpet deltatherm aquarium - interpet,

Interpet deltatherm aquarium - interpet,

£17.74
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Fluval aquarium heater - t,

Fluval aquarium heater - t,

£22.99
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200 300 500w - led, digital

200 300 500w - led, digital

£17.77
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Submersible aquarium heater - submersible,

Submersible aquarium heater - submersible,

£9.65
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Aquarium water heater aqua - aquarium,

Aquarium water heater aqua - aquarium,

£12.59
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Watt resun aquarium - 50, heater

Watt resun aquarium - 50, heater

£8.66
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Juwel aqua heat - aqua, aquarium

Juwel aqua heat - aqua, aquarium

£31.99
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Mini thermostat heater - mini, fish

Mini thermostat heater - mini, fish

£7.59
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Hepo submersible aquarium - hepo,

Hepo submersible aquarium - hepo,

£9.99
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Aqqa 500w aquarium heater - aqqa,

Aqqa 500w aquarium heater - aqqa,

£52.40
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Hidom proheat quartz aquarium - hidom,

Hidom proheat quartz aquarium - hidom,

£18.45
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50w aquarium heater - 50w,

50w aquarium heater - 50w,

£11.45
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Submersible aquarium tropical - aquarium,

Submersible aquarium tropical - aquarium,

£24.99
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Hidom quartz submersible - quartz,

Hidom quartz submersible - quartz,

£18.45
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Hygger aquarium heater hg019 - aquarium,

Hygger aquarium heater hg019 - aquarium,

£21.50
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Superfish aquarium heater - superfish,

Superfish aquarium heater - superfish,

£13.95
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Usb mini aquarium heating rod - mini,

Usb mini aquarium heating rod - mini,

£5.99
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Aqua one 55w glass - 55w, submersible

Aqua one 55w glass - 55w, submersible

£6.50
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500w hygger aquarium heater - 500w,

500w hygger aquarium heater - 500w,

£19.99
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50w 500w led digital - 50w-500w, aquarium

50w 500w led digital - 50w-500w, aquarium

£20.66
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Hidom stainless steel - stainless,

Hidom stainless steel - stainless,

£14.95
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Aquarium 50w 500w - 50w, to

Aquarium 50w 500w - 50w, to

£19.31
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Aquarium fish tank heater - tank,

Aquarium fish tank heater - tank,

£5.99
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Aquael plastic ultra safety - aquael,

Aquael plastic ultra safety - aquael,

£31.45
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Hidom aquarium heater - hidom,

Hidom aquarium heater - hidom,

£11.95
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Replacement aquarium - 2,

Replacement aquarium - 2,

£3.39
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Fluval m50 submersible - fluval,

Fluval m50 submersible - fluval,

£20.29
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Usb mini aquarium heating rod - aquarium,

Usb mini aquarium heating rod - aquarium,

£4.79
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100 200 300w aquarium fish - 100/200/300w,

100 200 300w aquarium fish - 100/200/300w,

£10.58
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Fluval heater thermostat lcd - heater,

Fluval heater thermostat lcd - heater,

£47.49
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Marina 50w aquarium heater - marina,

Marina 50w aquarium heater - marina,

£5.45
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Aquarium glass heater aqua - glass,

Aquarium glass heater aqua - glass,

£14.45
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Aquarium fish tank heater - aquarium,

Aquarium fish tank heater - aquarium,

£6.47
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Hepo bundle aquarium heater - hepo,

Hepo bundle aquarium heater - hepo,

£9.99
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10w usb mini - mini, heater

10w usb mini - mini, heater

£4.98
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Interpet deltatherm aquarium - deltatherm,

Interpet deltatherm aquarium - deltatherm,

£17.74
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Juwel 100w heater for - heater, aquarium

Juwel 100w heater for - heater, aquarium

£22.95
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Hygger aquarium heater - hygger,

Hygger aquarium heater - hygger,

£17.99
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Fish fun heater thermostat - fish,

Fish fun heater thermostat - fish,

£9.99
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Aquael plastic ultra - ultra, heater

Aquael plastic ultra - ultra, heater

£35.95
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Aquarium water heater aqua - aquarium,

Aquarium water heater aqua - aquarium,

£12.15
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Oase heatup aquarium - heatup,

Oase heatup aquarium - heatup,

£6.99
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Juwel automatic heater - juwel,

Juwel automatic heater - juwel,

£30.99
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£5.49
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Oase heat aquarium fish - up,

Oase heat aquarium fish - up,

£18.79
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Oase heat aquarium heater - heat, up

Oase heat aquarium heater - heat, up

£23.90
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Usb aquarium heater - usb,

Usb aquarium heater - usb,

£4.91
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Superfish eco aquarium heater - superfish,

Superfish eco aquarium heater - superfish,

£13.99
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Usb mini aquarium - mini, fish

Usb mini aquarium - mini, fish

£8.95
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Submersible aquarium eco - submersible,

Submersible aquarium eco - submersible,

£10.45
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100 200w aquarium water - aquarium,

100 200w aquarium water - aquarium,

£12.15
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Interpet nano stat - stat, aquarium

Interpet nano stat - stat, aquarium

£20.12
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Hygger aquarium heater - aquarium,

Hygger aquarium heater - aquarium,

£23.58
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Titanium heater elitech - d-d,

Titanium heater elitech - d-d,

£61.99
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Fluval p25 pre set heater - p25,

Fluval p25 pre set heater - p25,

£9.99
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Fish fun 300w tropical - fun,

Fish fun 300w tropical - fun,

£8.12
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Submersible digital aquarium - submersible,

Submersible digital aquarium - submersible,

£11.93
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Hydor eth 300w line - eth, in-line

Hydor eth 300w line - eth, in-line

£31.90
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Superfish aquarium fish - superfish, tank

Superfish aquarium fish - superfish, tank

£14.95
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Aquarium heater aqua one glass - one,

Aquarium heater aqua one glass - one,

£13.72
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Simply aquarium titanium - aquarium,

Simply aquarium titanium - aquarium,

£29.95
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Aqua one aquarium fish tank - aquarium,

Aqua one aquarium fish tank - aquarium,

£14.85
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Mini small aquarium fish tank - small,

Mini small aquarium fish tank - small,

£7.29
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Submersible aquarium heater - submersible,

Submersible aquarium heater - submersible,

£11.04
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1pc 10w new mini aquarium - 1pc,

1pc 10w new mini aquarium - 1pc,

£6.26
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Fluval t300 300w - fluval,

Fluval t300 300w - fluval,

£24.84
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New submersible aquarium eco - aquarium,

New submersible aquarium eco - aquarium,

£9.86
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Hygger small fish - fish, tank

Hygger small fish - fish, tank

£21.99
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Fluval series aquarium - fluval,

Fluval series aquarium - fluval,

£29.99
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Submersible aquarium heater - submersible,

Submersible aquarium heater - submersible,

£12.67
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Econoherm 150w submersible - econoherm,

Econoherm 150w submersible - econoherm,

£10.15
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Brand new aquarium heater - ,

Brand new aquarium heater - ,

£4.38
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Hitop 668 50w aquarium - 50w,

Hitop 668 50w aquarium - 50w,

£9.99
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Hydor eth 300w external inline - eth,

Hydor eth 300w external inline - eth,

£29.81
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Aquarium heater pack - aquarium,

Aquarium heater pack - aquarium,

£32.99
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200w fish tank aquarium heater - 200w,

200w fish tank aquarium heater - 200w,

£10.01
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Aquarium heater 500w - heater,

Aquarium heater 500w - heater,

£20.49
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Submersible aquarium heater - submersible,

Submersible aquarium heater - submersible,

£21.92
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📊96 listings · from £3.39 · avg £16.89

Browse 96 aquarium heater listings currently in our index. Prices range from £3.39 to £61.99, with an average of £16.89. 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 aquarium heater →

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Everything you need to know about aquarium heater

Whether you are looking for a brand-new or second-hand aquarium 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 £3.39, while premium listings can reach £61.99 — giving you a wide budget spread to work with. The average price of £16.89 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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