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Aquarium heater 300w

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Home / Heating Appliances / Aquarium heater 300w refurbished & used for sale | For Sale UK
Hepo aquarium heater fish - aquarium, tank

Hepo aquarium heater fish - aquarium, tank

£15.99
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Interpet deltatherm - eu,

Interpet deltatherm - eu,

£10.95
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Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£13.95
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Hidom aquarium heater - aquarium,

Hidom aquarium heater - aquarium,

£11.45
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Fluval m300 titanium - m300,

Fluval m300 titanium - m300,

£21.50
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Hepo submersible aquarium fish - submersible,

Hepo submersible aquarium fish - submersible,

£10.99
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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£29.99
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Fluval aquarium heater - fluval, t

Fluval aquarium heater - fluval, t

£27.99
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Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£13.95
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25w 300w submersible aquarium - submersible,

25w 300w submersible aquarium - submersible,

£7.82
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300w aquarium fish tank - aquarium, heater

300w aquarium fish tank - aquarium, heater

£13.49
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Aquarium heater submersible - aquarium,

Aquarium heater submersible - aquarium,

£16.45
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External heater thermostat - heater, for

External heater thermostat - heater, for

£32.99
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Aqqa aquarium heater 300w - aquarium, heater,

Aqqa aquarium heater 300w - aquarium, heater,

£24.99
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200 300 500w - 200/300/500w, led

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

£20.92
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Oase heatup aquarium fish tank - heatup,

Oase heatup aquarium fish tank - heatup,

£29.59
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Submersible aquarium fish - aquarium,

Submersible aquarium fish - aquarium,

£9.20
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Fish fun heater - r, thermostat

Fish fun heater - r, thermostat

£12.99
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Fluval t300 aquarium - fluval,

Fluval t300 aquarium - fluval,

£26.95
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Aquarium heater submersible - heater,

Aquarium heater submersible - heater,

£10.95
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Hidom aquarium heater - hidom,

Hidom aquarium heater - hidom,

£11.95
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Hidom proheat quartz aquarium - hidom,

Hidom proheat quartz aquarium - hidom,

£16.45
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Submersible aquarium tropical - submersible,

Submersible aquarium tropical - submersible,

£18.99
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Stainless steel aquarium - stainless,

Stainless steel aquarium - stainless,

£11.89
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Aquarium heater fish - heater,

Aquarium heater fish - heater,

£8.65
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Pet friend aquarium - pet, fish

Pet friend aquarium - pet, fish

£26.99
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Fluval t300 300w aquarium - t300,

Fluval t300 300w aquarium - t300,

£23.99
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Juwel aqua heat - juwel,

Juwel aqua heat - juwel,

£36.99
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Aquarium heater submersible - aquarium,

Aquarium heater submersible - aquarium,

£11.99
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Submersible tropical fish tank - submersible,

Submersible tropical fish tank - submersible,

£10.76
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Superfish pro aquarium heater - superfish,

Superfish pro aquarium heater - superfish,

£15.95
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Submersible aquarium fish - aquarium, tank

Submersible aquarium fish - aquarium, tank

£9.36
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Aquael aquarium platinium - aquael,

Aquael aquarium platinium - aquael,

£24.47
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Fluval heater thermostat - fluval, lcd

Fluval heater thermostat - fluval, lcd

£44.99
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200 300 500w led - 200/300/500w, digital

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

£19.93
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Eheim thermocontrol heater - thermocontrol,

Eheim thermocontrol heater - thermocontrol,

£29.99
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Superfish pro heater - pro,

Superfish pro heater - pro,

£15.75
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Eheim jager aquarium fish - jager, tank

Eheim jager aquarium fish - jager, tank

£31.49
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200 300 500w led - 200/300/500w,

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

£19.90
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Fluval series aquarium - fluval,

Fluval series aquarium - fluval,

£24.99
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Hagen marina submersible - hagen,

Hagen marina submersible - hagen,

£13.95
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Fluval heater thermostat - heater,

Fluval heater thermostat - heater,

£46.99
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Hidom submersible aquarium - hidom,

Hidom submersible aquarium - hidom,

£12.45
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200 300 500w - 200/300/500w, led

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

£21.99
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Aquarium heater 300w - aquarium,

Aquarium heater 300w - aquarium,

£8.66
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Submersible aquarium heater - submersible,

Submersible aquarium heater - submersible,

£11.64
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Fluval series electronic - t,

Fluval series electronic - t,

£26.89
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Submersible aquarium fish tank - submersible,

Submersible aquarium fish tank - submersible,

£9.99
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Hidom proheat quartz aquarium - hidom,

Hidom proheat quartz aquarium - hidom,

£16.45
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Interpet deltatherm 300w - interpet, /

Interpet deltatherm 300w - interpet, /

£20.99
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Eheim thermocontrol aquarium - thermocontrol,

Eheim thermocontrol aquarium - thermocontrol,

£22.29
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200 300 500w led digital - 200/300/500w,

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

£17.92
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Juwel aquarium heater - juwel, 100w

Juwel aquarium heater - juwel, 100w

£29.20
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Best seller submersible - uk,

Best seller submersible - uk,

£10.52
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Juwel aqua heat pro - juwel, aquarium

Juwel aqua heat pro - juwel, aquarium

£28.49
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Titanium heater elitech - d-d,

Titanium heater elitech - d-d,

£67.99
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Superfish aquarium heater - aquarium,

Superfish aquarium heater - aquarium,

£15.49
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Interpet deltatherm aquarium - deltatherm,

Interpet deltatherm aquarium - deltatherm,

£22.95
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Juwel 300w aquarium heater - aquarium,

Juwel 300w aquarium heater - aquarium,

£32.49
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Hydor eth 300w external inline - eth,

Hydor eth 300w external inline - eth,

£26.69
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Submersible aquarium fish - submersible,

Submersible aquarium fish - submersible,

£9.40
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Hidom aquarium heater 25w - aquarium, 25w-300w

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

£10.95
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50w submersible aquarium fish - 50w,

50w submersible aquarium fish - 50w,

£9.40
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300w fish tank - 300w, aquarium

300w fish tank - 300w, aquarium

£11.95
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Hitauing aquarium heater - aquarium,

Hitauing aquarium heater - aquarium,

£25.54
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Oase heat aquarium fish - oase,

Oase heat aquarium fish - oase,

£29.75
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Aqua one 300w - aqua,

Aqua one 300w - aqua,

£10.99
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100w submersible aquarium fish - submersible,

100w submersible aquarium fish - submersible,

£9.28
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Marina aquarium heater 25w 50w - marina,

Marina aquarium heater 25w 50w - marina,

£17.49
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Aquarium fish tank heater - fish,

Aquarium fish tank heater - fish,

£15.99
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Eheim thermocontrol heater - thermocontrol,

Eheim thermocontrol heater - thermocontrol,

£41.75
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For aquarium external filter - external,

For aquarium external filter - external,

£31.35
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Submersible aquarium fish tank - submersible,

Submersible aquarium fish tank - submersible,

£8.90
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Juwel automatic heater - juwel,

Juwel automatic heater - juwel,

£34.05
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300w fish tank aquarium heater - 300w,

300w fish tank aquarium heater - 300w,

£13.95
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Interpet deltatherm aquarium - interpet,

Interpet deltatherm aquarium - interpet,

£1.95
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Submersible aquarium fish tank - fish,

Submersible aquarium fish tank - fish,

£14.99
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Superfish pro heater 300w - superfish,

Superfish pro heater 300w - superfish,

£15.89
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Aquarium water heater led - heater,

Aquarium water heater led - heater,

£26.99
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300w 500w inline aquarium - 300w/500w,

300w 500w inline aquarium - 300w/500w,

£32.34
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Fluval series aquarium - fluval, t

Fluval series aquarium - fluval, t

£26.99
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Aquarium heater rod fish - aquarium,

Aquarium heater rod fish - aquarium,

£8.72
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Hygger 300w submersible - 300w,

Hygger 300w submersible - 300w,

£27.99
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Juwel aquaheat pro - juwel,

Juwel aquaheat pro - juwel,

£32.99
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Juwel 200w aquarium - aquarium, heater

Juwel 200w aquarium - aquarium, heater

£30.50
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50w submersible aquarium fish - submersible,

50w submersible aquarium fish - submersible,

£9.60
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Hidom quartz submersible - quartz,

Hidom quartz submersible - quartz,

£16.45
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Aqua one aquarium - one, heater

Aqua one aquarium - one, heater

£10.15
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Aquarium heater 300w with - aquarium,

Aquarium heater 300w with - aquarium,

£17.59
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Superfish aquarium heater - superfish,

Superfish aquarium heater - superfish,

£7.99
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Aquael flow inline - inline, heater

Aquael flow inline - inline, heater

£56.95
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Aquarium heater hidom - heater,

Aquarium heater hidom - heater,

£11.43
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Hailea boyu water - or,

Hailea boyu water - or,

£14.90
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Aqqa 300w aquarium - 300w, heater

Aqqa 300w aquarium - 300w, heater

£41.99
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Fluval heater thermostat lcd - heater,

Fluval heater thermostat lcd - heater,

£45.99
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Oase heat aquarium heater - up,

Oase heat aquarium heater - up,

£22.99
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📊96 listings · from £1.95 · avg £20.82
⚠️ These listings were last updated more than 11 days ago. Search for fresh listings

Browse 96 aquarium heater 300w listings currently in our index. Prices range from £1.95 to £67.99, with an average of £20.82. 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 300w →

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Everything you need to know about aquarium heater 300w

Whether you are looking for a brand-new or second-hand aquarium heater 300w, 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 £1.95, while premium listings can reach £67.99 — giving you a wide budget spread to work with. The average price of £20.82 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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