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Fish tank heaters

4

Fish tank heaters for sale on largest auction and classifieds sites

Home / Heating Appliances / Fish tank heaters for sale – 96 used, around £15 | For Sale UK
Hepo aquarium heater - hepo,

Hepo aquarium heater - hepo,

£13.49
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Hepo submersible aquarium - submersible,

Hepo submersible aquarium - submersible,

£14.99
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Hidom submersible tropical - submersible,

Hidom submersible tropical - submersible,

£12.95
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Hidom aquarium heater - hidom,

Hidom aquarium heater - hidom,

£11.95
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Aquarium heater submersible - heater,

Aquarium heater submersible - heater,

£11.95
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200w aquarium water heater - water,

200w aquarium water heater - water,

£12.51
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Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£12.95
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Aquarium heater submersible - aquarium,

Aquarium heater submersible - aquarium,

£14.99
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100 200w aquarium - aquarium, water

100 200w aquarium - aquarium, water

£12.87
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Interpet deltatherm - eu,

Interpet deltatherm - eu,

£10.95
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Submersible aquarium fish - fish, tank

Submersible aquarium fish - fish, tank

£8.40
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Hidom proheat quartz aquarium - hidom,

Hidom proheat quartz aquarium - hidom,

£16.45
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100w submersible aquarium - 100w,

100w submersible aquarium - 100w,

£5.49
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Submersible tropical fish tank - fish,

Submersible tropical fish tank - fish,

£10.76
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£13.49
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Aqqa aquarium heater 300w - aqqa, heater,

Aqqa aquarium heater 300w - aqqa, heater,

£24.99
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Fluval aquarium heater - fluval, t

Fluval aquarium heater - fluval, t

£27.99
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Fluval m300 titanium - fluval,

Fluval m300 titanium - fluval,

£21.50
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25w 300w submersible aquarium - 25w--300w,

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

£9.50
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50w aquarium fish tank heater - 50w,

50w aquarium fish tank heater - 50w,

£10.29
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Swell 100w aquarium fish - swell, tank

Swell 100w aquarium fish - swell, tank

£10.99
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Aquarium water heater aqua - aquarium,

Aquarium water heater aqua - aquarium,

£10.95
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300w aquarium fish tank - aquarium,

300w aquarium fish tank - aquarium,

£13.49
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200 300 500w - 200/300/500w, digital

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

£19.90
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Fluval series aquarium - fluval,

Fluval series aquarium - fluval,

£21.99
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Heater 25w with external - 25w,

Heater 25w with external - 25w,

£10.79
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Fish fun heater - fish, r

Fish fun heater - fish, r

£12.99
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Simply aquarium titanium - aquarium,

Simply aquarium titanium - aquarium,

£42.95
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Aqqa 500w submersible - aqqa,

Aqqa 500w submersible - aqqa,

£17.22
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Oase heat aquarium - up,

Oase heat aquarium - up,

£19.99
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200 300 500w led digital - 200/300/500w,

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

£20.92
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Aqqa aquarium heater 200w - aquarium, heater,200w

Aqqa aquarium heater 200w - aquarium, heater,200w

£19.99
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Aquael plastic ultra - ultra, heater

Aquael plastic ultra - ultra, heater

£32.49
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Submersible aquarium tropical - aquarium,

Submersible aquarium tropical - aquarium,

£24.99
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Usb mini aquarium fish tank - mini,

Usb mini aquarium fish tank - mini,

£6.95
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Fluval heater thermostat - e,

Fluval heater thermostat - e,

£46.99
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Hidom submersible aquarium - hidom,

Hidom submersible aquarium - hidom,

£13.45
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Stainless steel aquarium - steel,

Stainless steel aquarium - steel,

£11.89
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200 300 500w led digital - 200/300/500w,

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

£19.99
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100w submersible aquarium - 100w,

100w submersible aquarium - 100w,

£17.99
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Submersible aquarium fish - submersible,

Submersible aquarium fish - submersible,

£8.60
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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£25.99
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Aquarium heater fish - fish, tank

Aquarium heater fish - fish, tank

£11.00
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10w usb mini aquarium heater - mini,

10w usb mini aquarium heater - mini,

£5.79
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Superfish pro heater - superfish,

Superfish pro heater - superfish,

£17.95
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50w submersible aquarium fish - aquarium,

50w submersible aquarium fish - aquarium,

£9.40
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Hidom submersible heater - submersible, &

Hidom submersible heater - submersible, &

£13.95
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Submersible aquarium fish - aquarium, tank

Submersible aquarium fish - aquarium, tank

£9.00
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Interpet delta therm - delta,

Interpet delta therm - delta,

£10.95
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Eheim thermopreset heaters - thermopreset,

Eheim thermopreset heaters - thermopreset,

£26.50
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Hidom proheat quartz aquarium - proheat,

Hidom proheat quartz aquarium - proheat,

£18.45
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Usb mini aquarium heating rod - usb,

Usb mini aquarium heating rod - usb,

£4.88
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Usb mini aquarium fish - aquarium, tank

Usb mini aquarium fish - aquarium, tank

£9.39
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Fluval m50 submersible - m50,

Fluval m50 submersible - m50,

£20.29
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100 200w aquarium - 50/100/200w, water

100 200w aquarium - 50/100/200w, water

£12.51
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Resun 50w glass tropical - resun,

Resun 50w glass tropical - resun,

£6.79
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Aquarium water heater - water,

Aquarium water heater - water,

£12.59
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Fluval heater thermostat - fluval, e

Fluval heater thermostat - fluval, e

£52.85
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Fish tank submersible - fish,

Fish tank submersible - fish,

£13.25
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200 300 500w led - 200/300/500w, digital

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

£15.88
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Hagen marina submersible - hagen,

Hagen marina submersible - hagen,

£14.95
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Pet friend aquarium fish tank - aquarium,

Pet friend aquarium fish tank - aquarium,

£26.99
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Superfish eco aquarium heater - eco,

Superfish eco aquarium heater - eco,

£13.99
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Aquarium tropical marine - aquarium,

Aquarium tropical marine - aquarium,

£13.99
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Fad stainless home fish tank - home,

Fad stainless home fish tank - home,

£11.62
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Juwel 50w aquarium fish - 50w,

Juwel 50w aquarium fish - 50w,

£24.99
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Aquael aquarium platinium - aquael,

Aquael aquarium platinium - aquael,

£24.47
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200 300 500w led - led, digital

200 300 500w led - led, digital

£20.93
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200w aquarium water - 200w,

200w aquarium water - 200w,

£12.87
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Hidom aquarium heater - hidom,

Hidom aquarium heater - hidom,

£11.95
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200 300 500w led - 200/300/500w,

200 300 500w led - 200/300/500w,

£19.55
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Interpet deltatherm aquarium - interpet,

Interpet deltatherm aquarium - interpet,

£10.99
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Superfish aquarium heater - superfish,

Superfish aquarium heater - superfish,

£14.95
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Small fish tank - fish,

Small fish tank - fish,

£8.84
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Hidom 150w submersible - 2x,

Hidom 150w submersible - 2x,

£17.99
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Juwel automatic heater - juwel,

Juwel automatic heater - juwel,

£34.05
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Fluval series electronic - fluval,

Fluval series electronic - fluval,

£26.89
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Submersible aquarium fish tank - submersible,

Submersible aquarium fish tank - submersible,

£12.99
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Allpondsolutions 200w aquarium - allpondsolutions,

Allpondsolutions 200w aquarium - allpondsolutions,

£13.99
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Fluval t300 aquarium heater - t300,

Fluval t300 aquarium heater - t300,

£26.95
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External heater thermostat for - thermostat,

External heater thermostat for - thermostat,

£32.99
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Juwel aqua heat aquarium - aqua,

Juwel aqua heat aquarium - aqua,

£36.99
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Eheim submersible aquarium - eheim,

Eheim submersible aquarium - eheim,

£24.99
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Fluval heater thermostat - thermostat, lcd

Fluval heater thermostat - thermostat, lcd

£49.99
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Fluval premium heater - premium,

Fluval premium heater - premium,

£21.99
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Aquarium heater led digital - heater,

Aquarium heater led digital - heater,

£11.92
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Hidom quartz submersible - hidom,

Hidom quartz submersible - hidom,

£18.45
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Usb mini aquarium heating rod - usb,

Usb mini aquarium heating rod - usb,

£6.99
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Fluval t300 300w aquarium - fluval,

Fluval t300 300w aquarium - fluval,

£23.99
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Aquarium water heater aqua - water,

Aquarium water heater aqua - water,

£12.99
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Superfish pro aquarium - pro,

Superfish pro aquarium - pro,

£18.99
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Aquael platinum heater 25w 50w - platinum,

Aquael platinum heater 25w 50w - platinum,

£28.95
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Hepo aquarium fish tank - hepo,

Hepo aquarium fish tank - hepo,

£18.99
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Jbl protemp aquarium fish - jbl, s

Jbl protemp aquarium fish - jbl, s

£23.49
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Aqua one heater for aquarium - one,

Aqua one heater for aquarium - one,

£31.99
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Aquarium digital heater 500w

Aquarium digital heater 500w

£26.70
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📊96 listings · from £4.88 · avg £18.08
⚠️ These listings were last updated more than 13 days ago. Search for fresh listings

Browse 96 fish tank heaters listings currently in our index. Prices range from £4.88 to £52.85, with an average of £18.08. 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 tank heaters →

Try this: plinth heaters | delonghi heaters | electric radiators | halogen heaters | indoor heaters | log burning stoves | aluminium electric radiators | cylinder stoves | biomass wood pellets | fuel pellets

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Everything you need to know about fish tank heaters

Whether you are looking for a brand-new or second-hand fish tank heaters, 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 £4.88, while premium listings can reach £52.85 — giving you a wide budget spread to work with. The average price of £18.08 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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