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Tankless water heater

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Home / Water Heating & Filtration / Tankless water heater refurbished & used for sale | For Sale UK
18l lpg tankless water - lpg,

18l lpg tankless water - lpg,

£104.70
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£70.99
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Electric tankless water - water, heater

Electric tankless water - water, heater

£18.24
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£50.99
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Beautiful glass front electric - beautiful,

Beautiful glass front electric - beautiful,

£26.70
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3kw electric tankless instant - 3kw,

3kw electric tankless instant - 3kw,

£38.00
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Instant gas hot water - 8l,

Instant gas hot water - 8l,

£69.99
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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

£40.75
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£27.89
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18l propane gas - 8l-18l,

18l propane gas - 8l-18l,

£79.99
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3000w instant electric - 3000w,

3000w instant electric - 3000w,

£38.89
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U4500w undersink electric - u4500w,

U4500w undersink electric - u4500w,

£26.94
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5500w electric instant hot - instant,

5500w electric instant hot - instant,

£47.89
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Tankless lpg water heater - rv,

Tankless lpg water heater - rv,

£222.99
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6000w electric water heater - 6000w,

6000w electric water heater - 6000w,

£80.00
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120l electric hot water - electric,

120l electric hot water - electric,

£129.99
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£38.89
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£96.99
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18l lpg propane gas - propane,

18l lpg propane gas - propane,

£94.80
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6000w electric tankless - electric,

6000w electric tankless - electric,

£53.68
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Instant electric tankless - instant,

Instant electric tankless - instant,

£24.79
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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£38.89
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3500w electric tankless water - tankless,

3500w electric tankless water - tankless,

£22.29
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18l lpg propane gas - propane,

18l lpg propane gas - propane,

£76.99
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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£40.75
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New 18l instant gas - new,

New 18l instant gas - new,

£90.99
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Electric instant water - electric, heater

Electric instant water - electric, heater

£21.79
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£59.99
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Premium 6kw instant - instant, electric

Premium 6kw instant - instant, electric

£24.00
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18l propane gas - propane,

18l propane gas - propane,

£77.99
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16l propane gas hot water - propane,

16l propane gas hot water - propane,

£89.99
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Brand new 5500w ryk 006 - brand, ryk-006

Brand new 5500w ryk 006 - brand, ryk-006

£31.90
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£38.89
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1500w instant electric - 1500w,

1500w instant electric - 1500w,

£57.99
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18l instant gas hot - instant,

18l instant gas hot - instant,

£76.99
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3500w instant electric - 3500w,

3500w instant electric - 3500w,

£30.97
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3000w 220v silver - 220v, electric

3000w 220v silver - 220v, electric

£16.15
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5500w electric instant hot - 5500w,

5500w electric instant hot - 5500w,

£47.99
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16l lpg tankless - lpg, hot

16l lpg tankless - lpg, hot

£182.27
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130000btu 16l tankless - 16l,

130000btu 16l tankless - 16l,

£184.13
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Tankless portable gas water - tankless,

Tankless portable gas water - tankless,

£66.89
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3500w tankless hot water - tankless,

3500w tankless hot water - tankless,

£23.99
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Electric tankless instant - electric,

Electric tankless instant - electric,

£27.01
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10l 18l instant gas - instant,

10l 18l instant gas - instant,

£76.99
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5500w tankless hot water - tankless,

5500w tankless hot water - tankless,

£23.13
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3kw electric tankless instant - tankless,

3kw electric tankless instant - tankless,

£49.99
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Propane gas tankless - 6l,

Propane gas tankless - 6l,

£66.89
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3500w tankless hot water - tankless,

3500w tankless hot water - tankless,

£30.98
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18l propane gas water heater - 18l,

18l propane gas water heater - 18l,

£128.98
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3500w tankless hot - 3500w,

3500w tankless hot - 3500w,

£22.99
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18l lpg propane gas tankless - propane,

18l lpg propane gas tankless - propane,

£96.99
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32kw 16l lpg - 32kw, propane

32kw 16l lpg - 32kw, propane

£180.49
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New 3500w tankless - tankless, hot

New 3500w tankless - tankless, hot

£24.65
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3500w electric tankless - electric,

3500w electric tankless - electric,

£24.89
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220v tankless hot - hot, water

220v tankless hot - hot, water

£24.90
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£49.99
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Portable 2500w electric - portable,

Portable 2500w electric - portable,

£9.99
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61000 btu tankless water - btu,

61000 btu tankless water - btu,

£222.99
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Heatrae sadia multipoint - sadia,

Heatrae sadia multipoint - sadia,

£141.10
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18l lpg propane - lpg, gas

18l lpg propane - lpg, gas

£76.99
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3500w electric tankless - electric,

3500w electric tankless - electric,

£24.88
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5500w electric tankless - 5500w,

5500w electric tankless - 5500w,

£30.97
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£86.59
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£27.82
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Portable lpg hot water - ~portable, 6l

Portable lpg hot water - ~portable, 6l

£66.89
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£40.76
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£59.99
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£49.99
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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£30.98
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£34.97
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£42.99
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£28.69
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Propane gas tankless 10l - propane, 10l-18l

Propane gas tankless 10l - propane, 10l-18l

£76.99
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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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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£34.97
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Tankless instant electric - instant,

Tankless instant electric - instant,

£79.95
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18l hot water - 8/10/12/16/18l,

18l hot water - 8/10/12/16/18l,

£112.80
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Electric tankless water - tankless,

Electric tankless water - tankless,

£40.00
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3500w electric instant water - electric,

3500w electric instant water - electric,

£23.99
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18l instant gas hot water - 8-18l,

18l instant gas hot water - 8-18l,

£77.99
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18l propane gas tankless - 8l-18l,

18l propane gas tankless - 8l-18l,

£77.45
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£97.19
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£54.96
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5500w instant electric - instant,

5500w instant electric - instant,

£34.97
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5500w instant electric - 5500w,

5500w instant electric - 5500w,

£27.86
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£46.99
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£47.99
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Tankless portable gas water - portable,

Tankless portable gas water - portable,

£77.79
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5500w tankless hot water - tankless,

5500w tankless hot water - tankless,

£30.98
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10l 18l lpg tankless gas - 10l-18l,

10l 18l lpg tankless gas - 10l-18l,

£96.99
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18l propane gas tankless - 8l-18l,

18l propane gas tankless - 8l-18l,

£76.99
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5kw electric tankless - 1.5kw,

5kw electric tankless - 1.5kw,

£75.99
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Electric tankless instant - tankless, hot

Electric tankless instant - tankless, hot

£49.99
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3kw electric tankless instant - 3kw,

3kw electric tankless instant - 3kw,

£38.89
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20l lpg instant - 20l, water

20l lpg instant - 20l, water

£142.80
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Electric water heater hot - electric,

Electric water heater hot - electric,

£23.58
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📊96 listings · from £9.99 · avg £62.81
⚠️ These listings were last updated more than 13 days ago. Search for fresh listings

Browse 96 tankless water heater listings currently in our index. Prices range from £9.99 to £222.99, with an average of £62.81. 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 tankless water heater →

Try this: unvented indirect hot water cylinder | vaillant combi boiler | water ice machine | water softner | worcester dt20rf | baxi gas wall heaters | central heating inhibitor | ravenheat timer | halstead boiler ace | sink water heater

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Everything you need to know about tankless water heater

Whether you are looking for a brand-new or second-hand tankless 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 £9.99, while premium listings can reach £222.99 — giving you a wide budget spread to work with. The average price of £62.81 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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