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Instant water heater

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Home / Water Heating & Filtration / Instant water heater refurbished & used for sale | For Sale UK
360 electric heating tap - heating,

360 electric heating tap - heating,

£14.79
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Camplux gas hot - water, heater

Camplux gas hot - water, heater

£189.99
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3000w instant electric - 3000w,

3000w instant electric - 3000w,

£43.89
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3kw electric tankless instant - tankless,

3kw electric tankless instant - tankless,

£43.89
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3500w tankless hot water - 3500w,

3500w tankless hot water - 3500w,

£21.99
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£27.89
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Instant gas hot water - gas,

Instant gas hot water - gas,

£69.99
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1500w electric instant hot - 1500w,

1500w electric instant hot - 1500w,

£46.99
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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

£53.99
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18l propane gas water heater - propane,

18l propane gas water heater - propane,

£82.98
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5500w electric instant - 5500w,

5500w electric instant - 5500w,

£46.99
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1500w electric instant hot - electric,

1500w electric instant hot - electric,

£59.99
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18l lpg propane gas - 8/10/12/16/18l,

18l lpg propane gas - 8/10/12/16/18l,

£90.06
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Dexpro 5kw inline instant - 7.5kw,

Dexpro 5kw inline instant - 7.5kw,

£146.74
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Electric heating tap 360 - electric, 360°

Electric heating tap 360 - electric, 360°

£16.79
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£99.99
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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£41.57
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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

£41.56
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3kw electric tankless instant - 3kw,

3kw electric tankless instant - 3kw,

£38.00
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Electric heating tap 360 - electric,

Electric heating tap 360 - electric,

£17.99
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£43.89
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360 electric heating tap - electric,

360 electric heating tap - electric,

£24.89
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Electric heating tap 360 - electric,

Electric heating tap 360 - electric,

£16.76
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Electric tankless water - electric, heater

Electric tankless water - electric, heater

£18.24
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15l electric instant hot - electric,

15l electric instant hot - electric,

£58.99
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5500w tankless hot - 5500w,

5500w tankless hot - 5500w,

£23.13
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5500w electric tankless - 5500w,

5500w electric tankless - 5500w,

£30.97
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18l instant gas hot - instant,

18l instant gas hot - instant,

£99.99
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1500w electric instant - 1500w,

1500w electric instant - 1500w,

£65.99
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Gasland lpg hot water - hot,

Gasland lpg hot water - hot,

£239.99
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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£97.19
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Electric water heater 8kw - electric,

Electric water heater 8kw - electric,

£149.99
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10l 5kw electric instant hot - 10l, 1.5kw

10l 5kw electric instant hot - 10l, 1.5kw

£58.99
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Electric tankless instant - electric,

Electric tankless instant - electric,

£43.99
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5500w electric instant hot - 5500w,

5500w electric instant hot - 5500w,

£49.80
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1500w 10l electric - electric, hot

1500w 10l electric - electric, hot

£50.62
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3000w electric heating tap - 3000w,

3000w electric heating tap - 3000w,

£16.59
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1500w 10l electric instant - 1500w, hot

1500w 10l electric instant - 1500w, hot

£51.21
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120l electric hot water - electric,

120l electric hot water - electric,

£106.99
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Tankless portable gas water - tankless,

Tankless portable gas water - tankless,

£66.89
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360 led electric heater - 360°,

360 led electric heater - 360°,

£16.69
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3500w electric tankless water - 3500w,

3500w electric tankless water - 3500w,

£22.29
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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£30.98
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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£43.99
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Electric heating tap - electric,

Electric heating tap - electric,

£16.99
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18l lpg propane - 18l,

18l lpg propane - 18l,

£76.99
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5500w tankless hot - 5500w,

5500w tankless hot - 5500w,

£30.98
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Tankless electric instant - electric, hot

Tankless electric instant - electric, hot

£53.99
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£95.99
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5500w electric instant hot - 5500w,

5500w electric instant hot - 5500w,

£46.89
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Small instant electric water - small,

Small instant electric water - small,

£24.65
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Electric tankless instant - electric, hot

Electric tankless instant - electric, hot

£30.96
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Electric tankless instant - electric,

Electric tankless instant - electric,

£35.99
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360 electric heating - electric,

360 electric heating - electric,

£18.27
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220v electric instant small - electric,

220v electric instant small - electric,

£59.98
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Led electric heating - led, tap

Led electric heating - led, tap

£26.99
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£32.99
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5500w instant electric - 5500w,

5500w instant electric - 5500w,

£30.96
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Kitchen bathroom 4500w - kitchen,

Kitchen bathroom 4500w - kitchen,

£26.91
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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£43.89
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3500w electric instant water - 3500w,

3500w electric instant water - 3500w,

£23.09
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£54.96
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3500w tankless hot water - 3500w,

3500w tankless hot water - 3500w,

£26.86
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2500w electric immersion water - immersion,

2500w electric immersion water - immersion,

£11.39
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Electric tankless instant - electric,

Electric tankless instant - electric,

£42.99
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3500w tankless hot - tankless,

3500w tankless hot - tankless,

£26.98
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Instant water heater 220v - instant,

Instant water heater 220v - instant,

£31.89
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18l tankless lpg water - tankless,

18l tankless lpg water - tankless,

£95.99
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5kw electric instant hot - 1.5kw,

5kw electric instant hot - 1.5kw,

£53.99
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10l electric instant - electric,

10l electric instant - electric,

£59.99
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1500w instant electric - instant,

1500w instant electric - instant,

£57.99
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220v 3000w electric water - 3000w,

220v 3000w electric water - 3000w,

£43.89
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Hyco wave automatic 3kw - hyco,

Hyco wave automatic 3kw - hyco,

£37.10
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Instant electric tankless - electric,

Instant electric tankless - electric,

£25.99
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Electric instant hot water - electric,

Electric instant hot water - electric,

£46.99
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Electric heating tap 360 - heating, 360°

Electric heating tap 360 - heating, 360°

£18.59
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18l instant gas hot - 10/12/16/18l,

18l instant gas hot - 10/12/16/18l,

£76.99
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5500w tankless hot water - 5500w,

5500w tankless hot water - 5500w,

£25.99
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5kw 10l electric instant - 10l,

5kw 10l electric instant - 10l,

£63.99
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5500w electric tankless - 5500w,

5500w electric tankless - 5500w,

£46.89
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Instant water heater - heater, 220v

Instant water heater - heater, 220v

£27.46
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Lpg 18l portable instant gas - lpg,

Lpg 18l portable instant gas - lpg,

£95.99
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5500w tankless hot - 5500w,

5500w tankless hot - 5500w,

£30.98
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18l lpg propane gas - 8/10/12/16/18l,

18l lpg propane gas - 8/10/12/16/18l,

£86.99
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20l lpg instant water heater - instant,

20l lpg instant water heater - instant,

£127.68
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1500w electric instant hot - electric,

1500w electric instant hot - electric,

£55.99
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3500wtankless hot water heater - hot,

3500wtankless hot water heater - hot,

£24.59
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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

£49.99
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15l 1500w electric instant hot - instant,

15l 1500w electric instant hot - instant,

£77.99
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5kw electric instant water - electric,

5kw electric instant water - electric,

£124.95
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£41.56
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Electric heating tap - tap, 360°

Electric heating tap - tap, 360°

£19.59
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Electric heating tap - electric, kitchen

Electric heating tap - electric, kitchen

£23.39
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4500w electric tankless - 4500w,

4500w electric tankless - 4500w,

£26.99
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16l lpg tankless - lpg, water

16l lpg tankless - lpg, water

£185.99
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Instant water heater 220v - water,

Instant water heater 220v - water,

£39.61
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📊96 listings · from £11.39 · avg £54.07
⚠️ These listings were last updated more than 8 days ago. Search for fresh listings

Browse 96 instant water heater listings currently in our index. Prices range from £11.39 to £239.99, with an average of £54.07. 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 instant water heater →

Try this: instant water boiler | kingfisher potterton | marco boiler | non electric water softener | paloma water heater | potterton netaheat boiler | riello rdb burner | riello oil burner | satronic | solar water heater

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Everything you need to know about instant water heater

Whether you are looking for a brand-new or second-hand instant water 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 £11.39, while premium listings can reach £239.99 — giving you a wide budget spread to work with. The average price of £54.07 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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