Aquarium heater
Aquarium heater for sale on Ireland's largest auction and classifieds sites
Hepo aquarium heater - heater, tank - £17.99
Aquariums 500 litres • Model suitable use • Hepo 608 range - Free postage - New and Used
Aquariums 500 litres • Model suitable use • Hepo 608 range - Free postage - New and Used
Hepo submersible aquarium - hepo, fish - £13.49
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
Hidom submersible tropical - hidom, - £13.95
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
Aquarium heater submersible - aquarium, - £13.99
Preset heater set • Degrees appropriate most • Tropical fish shrimp - Free postage - New and Used
Preset heater set • Degrees appropriate most • Tropical fish shrimp - Free postage - New and Used
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Hidom proheat quartz aquarium - hidom, - £16.45
Hidom proheat series • Quartz glass aquarium • Heater has been - Free postage - New and Used
Hidom proheat series • Quartz glass aquarium • Heater has been - Free postage - New and Used
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48 listings · from £1.95 · avg £16.92
⚠️ These listings were last updated more than 17 days ago.
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Browse 48 aquarium heater listings currently in our index. Prices range from £1.95 to £59.99, with an average of £16.92. 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 →
Aquarium water heater - water, - £12.15
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Hepo bundle aquarium - hepo, - £9.99
Hepo 605 range • Aquarium heaters are • Ideal aquariums 300 - Free postage - New and Used
Hepo 605 range • Aquarium heaters are • Ideal aquariums 300 - Free postage - New and Used
Fluval aquarium heater - fluval, t - £24.99
Suitable aquariums 300l • Available five sizes • These heaters cater - Free postage - New and Used
Suitable aquariums 300l • Available five sizes • These heaters cater - Free postage - New and Used
Hidom aquarium heater - aquarium, - £11.95
Aquarium heater multiple • Sizes 25w 300w • 50w 75w 100w - Free postage - New and Used
Aquarium heater multiple • Sizes 25w 300w • 50w 75w 100w - Free postage - New and Used
100 200w aquarium - 100-200w, heater - £10.98
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Stainless steel aquarium - stainless, - £11.69
Aquariums between 20l • 500l 50w 100w • 200w 300w 500w - Free postage - New and Used
Aquariums between 20l • 500l 50w 100w • 200w 300w 500w - Free postage - New and Used
Hidom submersible tropical - hidom, - £11.45
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
Hidom quartz submersible - hidom, - £18.45
Hidom proheat series • Quartz glass aquarium • Heater has been - Free postage - New and Used
Hidom proheat series • Quartz glass aquarium • Heater has been - Free postage - New and Used
Hidom proheat quartz - quartz, aquarium - £18.45
Hidom proheat series • Quartz glass aquarium • Heater has been - Free postage - New and Used
Hidom proheat series • Quartz glass aquarium • Heater has been - Free postage - New and Used
Aquarium fish tank heater - aquarium, - £19.50
Fish tank aquarium • Heating rod fresh • Sea water can - Free postage - New and Used
Fish tank aquarium • Heating rod fresh • Sea water can - Free postage - New and Used
Oase heat aquarium - oase, heater - £19.99
Oase heatup heaters • Are available 25w • 50w 75w 100w - Free postage - New and Used
Oase heatup heaters • Are available 25w • 50w 75w 100w - Free postage - New and Used
Fluval series aquarium - fluval, - £24.99
360 indicator light • Ring displays heat • Mode clearly from - Free postage - New and Used
360 indicator light • Ring displays heat • Mode clearly from - Free postage - New and Used
Fish fun heater thermostat - fun, - £9.99
Ensure your aquatic • Friends stay happy • Healthy fish fun - Free postage - New and Used
Ensure your aquatic • Friends stay happy • Healthy fish fun - Free postage - New and Used
New submersible aquarium eco - aquarium, - £10.27
Power indicator ensures • Safe operation can • Ensure output heat - Free postage - New and Used
Power indicator ensures • Safe operation can • Ensure output heat - Free postage - New and Used
Interpet deltatherm - interpet, eu - £7.95
Interpet deltatherm aquarium • Fish tank heater • Delta mini 15w - Free postage - New and Used
Interpet deltatherm aquarium • Fish tank heater • Delta mini 15w - Free postage - New and Used
200 300 500w - 200/300/500w, digital - £14.10
Fish tank aquarium • Heating rod fresh • Sea water can - Free postage - New and Used
Fish tank aquarium • Heating rod fresh • Sea water can - Free postage - New and Used
Submersible aquarium tropical - submersible, - £24.99
Say farewell chilly • Waters hello toasty • Haven 300w suitable - Free postage - New and Used
Say farewell chilly • Waters hello toasty • Haven 300w suitable - Free postage - New and Used
500w aquarium heater - 500w, - £25.26
Powerful aquarium heaters • Heater can easily • Heat 400l water - Free postage - New and Used
Powerful aquarium heaters • Heater can easily • Heat 400l water - Free postage - New and Used
Aqqa aquarium heater - heater,500w, ptc - £59.99
When water temperature • Heater will run • Low power maintain - Free postage - New and Used
When water temperature • Heater will run • Low power maintain - Free postage - New and Used
Interpet deltatherm aquarium - deltatherm, - £1.95
Constant heat output • Deltatherm heater nano • Mini 7.5w 15w - Free postage - New and Used
Constant heat output • Deltatherm heater nano • Mini 7.5w 15w - Free postage - New and Used
100 200w aquarium - aquarium, water - £12.15
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Aquarium water heater aqua - heater, - £12.98
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Superfish aquarium heater - superfish, - £15.49
Superfish eco heater • 100 watts 21cm • 125 35cm - Free postage - New and Used
Superfish eco heater • 100 watts 21cm • 125 35cm - Free postage - New and Used
50w 500w led - 50w-500w, aquarium - £17.76
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
Power 50w 100w • 200w 300w 500w • Fish tank aquarium - Free postage - New and Used
300w aquarium fish tank - 300w, heater - £13.49
You are purchasing • High quality 300w • Use aquarium 300 - Free postage - New and Used
You are purchasing • High quality 300w • Use aquarium 300 - Free postage - New and Used
Aquarium heater submersible - aquarium, - £4.95
Hidom proheat aquarium • Heater multiple sizes • 25w 500w adjustable - Free postage - New and Used
Hidom proheat aquarium • Heater multiple sizes • 25w 500w adjustable - Free postage - New and Used
Submersible aquarium heater - submersible, - £10.95
Aquarium heater multiple • Sizes 25w 300w • Indicator light shows - Free postage - New and Used
Aquarium heater multiple • Sizes 25w 300w • Indicator light shows - Free postage - New and Used
Usb mini aquarium heater 10w - usb, | - £5.35
Product power 10w • Will work red • Indicator light when - Free postage - New and Used
Product power 10w • Will work red • Indicator light when - Free postage - New and Used
Aquarium water heater aqua - aquarium, - £11.99
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Dual heating wires • Ensures uniform stable • Energy efficiency long - Free postage - New and Used
Fluval heater thermostat lcd - e, - £44.95
Fluval series electronic • Fish tank heaters • 50w aquariums 60l - Free postage - New and Used
Fluval series electronic • Fish tank heaters • 50w aquariums 60l - Free postage - New and Used
Eheim thermocontrol heater - thermocontrol, - £24.99
Eheim jager • 250w such have • Huge wealth experience - Free postage - New and Used
Eheim jager • 250w such have • Huge wealth experience - Free postage - New and Used
Aquael plastic ultra - plastic, heater - £32.49
Ultra heater advanced • Unbreakable plastic housing • Makes ideal tanks - Free postage - New and Used
Ultra heater advanced • Unbreakable plastic housing • Makes ideal tanks - Free postage - New and Used
Neulriscn aquarium heater - neulriscn, - £38.49
500w aquarium heater • Can applicable 300 • 450l tank sturdy - Free postage - New and Used
500w aquarium heater • Can applicable 300 • 450l tank sturdy - Free postage - New and Used
Hidom submersible heater - submersible, - £13.95
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
These quality heaters • Are easy adjust • Will regulate temperature - Free postage - New and Used
25w aquarium heater - 25w, - £10.95
Hidom 25w aquarium • Heater adjustable thermostat • Maintain stable water - Free postage - New and Used
Hidom 25w aquarium • Heater adjustable thermostat • Maintain stable water - Free postage - New and Used
Aquarium glass heater aqua one - glass, - £14.45
Aqua one glass • Aquarium heater complete • Automatic shut off - Free postage - New and Used
Aqua one glass • Aquarium heater complete • Automatic shut off - Free postage - New and Used
Usb mini aquarium heater 10w - usb, - £5.02
Betta tanks shrimp • Makes perfect formini • Fish bowls suitable - Free postage - New and Used
Betta tanks shrimp • Makes perfect formini • Fish bowls suitable - Free postage - New and Used
Aquarium heater rod - rod, fish - £7.17
Type fish tank • Heater material quartz • Glass made premium - Free postage - New and Used
Type fish tank • Heater material quartz • Glass made premium - Free postage - New and Used
200w fish tank - fish, - £10.01
Tropical reef 200w • Submersible aquarium heater • Model 200 tanks - Free postage - New and Used
Tropical reef 200w • Submersible aquarium heater • Model 200 tanks - Free postage - New and Used
Usb mini aquarium - usb, heating - £4.79
Two heating rods • Product power 10w • Can used one - Free postage - New and Used
Two heating rods • Product power 10w • Can used one - Free postage - New and Used
Aquarium heater pack 50w - aquarium, - £28.99
These heaters can • Easily placed used • All biorb aquariums - Free postage - New and Used
These heaters can • Easily placed used • All biorb aquariums - Free postage - New and Used
Resun rising heat aquarium - heat, - £10.99
Made resun this • Heater maintain optimal • Water temperature your - Free postage - New and Used
Made resun this • Heater maintain optimal • Water temperature your - Free postage - New and Used
External heater thermostat for - external, - £34.99
This heater can • Only connected external • Canister filter outlet - Free postage - New and Used
This heater can • Only connected external • Canister filter outlet - Free postage - New and Used
Try this: fish tanks | juwel trigon 350 | hexagonal fish tank | marine aquarium tank | nano marine aquarium | shrimp | vortech | 3ft aquarium | 5 ft aquarium | aquareef
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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 48 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 £59.99 — giving you a wide budget spread to work with. The average price of £16.92 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.