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Instant water heater

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Home / Heating, Cooling & Air / Instant water heater refurbished & used for sale | For Sale UK
Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£29.99 · Buy It Now

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1500w 15l electric - 1500w,

1500w 15l electric - 1500w,

£75.00 · Buy It Now

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18l propane gas - 8l-18l,

18l propane gas - 8l-18l,

£70.99 · Buy It Now

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Electric instant water heater - electric,

Electric instant water heater - electric,

£60.35 · Buy It Now

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Electric tankless water heater - electric,

Electric tankless water heater - electric,

£21.79 · Buy It Now

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10l 1500w instant electric - 10l,

10l 1500w instant electric - 10l,

£60.98 · Buy It Now

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Electric heating tap 360 - tap, 360°

Electric heating tap 360 - tap, 360°

£17.99 · Buy It Now

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360 electric heating tap - electric,

360 electric heating tap - electric,

£14.99 · Buy It Now

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Electric instant water heater - instant,

Electric instant water heater - instant,

£79.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£59.99 · Buy It Now

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Portable lpg hot - portable, water

Portable lpg hot - portable, water

£65.98 · Buy It Now

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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£90.06 · Buy It Now

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5500w electric instant hot - electric,

5500w electric instant hot - electric,

£43.99 · Buy It Now

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18l propane gas - propane,

18l propane gas - propane,

£79.99 · Buy It Now

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

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

£72.37 · Buy It Now

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Tankless electric instant hot - electric,

Tankless electric instant hot - electric,

£74.95 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£24.99 · Buy It Now

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18l propane gas water - 18l,

18l propane gas water - 18l,

£112.80 · Buy It Now

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Electric tankless instant 3kw - instant,

Electric tankless instant 3kw - instant,

£49.99 · Buy It Now

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5500w electric tankless - 5500w~electric,

5500w electric tankless - 5500w~electric,

£30.90 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£39.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£52.33 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£24.48 · Buy It Now

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Camplux 12kw instant gas - 6l,

Camplux 12kw instant gas - 6l,

£104.70 · Buy It Now

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Electric hand wash - hand, unit

Electric hand wash - hand, unit

£65.99 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£24.69 · Buy It Now

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Tankless water heater - water, electric

Tankless water heater - water, electric

£44.99 · Buy It Now

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20l 40kw hot water heater - water,

20l 40kw hot water heater - water,

£113.75 · Buy It Now

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Camplux tankless propane gas - camplux,

Camplux tankless propane gas - camplux,

£299.99 · Buy It Now

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Electric tankless instant - instant, 3kw

Electric tankless instant - instant, 3kw

£50.99 · Buy It Now

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12l propane gas tankless - propane,

12l propane gas tankless - propane,

£150.99 · Buy It Now

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Tankless hot water heater - hot,

Tankless hot water heater - hot,

£72.95 · Buy It Now

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Tankless gas hot - tankless,

Tankless gas hot - tankless,

£269.99 · Buy It Now

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Dexpro 5kw inline instant - dexpro, 7.5kw

Dexpro 5kw inline instant - dexpro, 7.5kw

£125.99 · Buy It Now

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360 electric heating - 360°,

360 electric heating - 360°,

£25.89 · Buy It Now

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3000w digital display instant - display,

3000w digital display instant - display,

£17.82 · Buy It Now

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15l 1500w electric instant - 15l,

15l 1500w electric instant - 15l,

£71.99 · Buy It Now

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

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

£89.99 · Buy It Now

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6kw instant hot water heater - instant,

6kw instant hot water heater - instant,

£69.95 · Buy It Now

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Thermomate instant hot water - instant,

Thermomate instant hot water - instant,

£59.99 · Buy It Now

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10l 12l 16l - instant, gas

10l 12l 16l - instant, gas

£89.99 · Buy It Now

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Portable lpg propane gas - lpg,

Portable lpg propane gas - lpg,

£89.99 · Buy It Now

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18l propane gas - propane, tankless

18l propane gas - propane, tankless

£71.89 · Buy It Now

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Hyco ultrawash instant water - hyco,

Hyco ultrawash instant water - hyco,

£31.90 · Buy It Now

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Instant type electric water - type,

Instant type electric water - type,

£26.84 · Buy It Now

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360 electric heating tap - electric,

360 electric heating tap - electric,

£25.99 · Buy It Now

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5500w electric instant hot - 5500w,

5500w electric instant hot - 5500w,

£45.49 · Buy It Now

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5kw electric instant - 3.5kw,

5kw electric instant - 3.5kw,

£124.95 · Buy It Now

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360 electric heating - heating, tap

360 electric heating - heating, tap

£25.89 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£22.49 · Buy It Now

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10l 1500w electric instant hot - 10l,

10l 1500w electric instant hot - 10l,

£60.89 · Buy It Now

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5kw electric instant hot - instant,

5kw electric instant hot - instant,

£60.89 · Buy It Now

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Tankless instant water heater - tankless,

Tankless instant water heater - tankless,

£53.22 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£53.55 · Buy It Now

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5500w tankless hot water - 5500w,

5500w tankless hot water - 5500w,

£30.99 · Buy It Now

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220v 3000w plug instant - uk,

220v 3000w plug instant - uk,

£30.90 · Buy It Now

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Electric instant water - instant, heater

Electric instant water - instant, heater

£60.35 · Buy It Now

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360 electric heating - heating, tap

360 electric heating - heating, tap

£25.99 · Buy It Now

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Instant electric water - instant, heater

Instant electric water - instant, heater

£12.50 · Buy It Now

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

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

£77.99 · Buy It Now

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Instant electric hot water - instant,

Instant electric hot water - instant,

£26.29 · Buy It Now

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10l portable instant gas hot - 10l,

10l portable instant gas hot - 10l,

£89.99 · Buy It Now

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Instant water heater 220v - instant,

Instant water heater 220v - instant,

£29.22 · Buy It Now

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7000w electric tankless - 7000w,

7000w electric tankless - 7000w,

£69.99 · Buy It Now

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Electric tankless instant - tankless, hot

Electric tankless instant - tankless, hot

£29.50 · Buy It Now

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Camplux portable gas water - gas,

Camplux portable gas water - gas,

£259.99 · Buy It Now

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12l instant gas hot water - gas,

12l instant gas hot water - gas,

£100.80 · Buy It Now

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18l tankless gas water heater - 18l,

18l tankless gas water heater - 18l,

£112.80 · Buy It Now

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Electric hand wash - electric,

Electric hand wash - electric,

£49.57 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£60.89 · Buy It Now

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Dexpro inline instant hot - inline,

Dexpro inline instant hot - inline,

£52.70 · Buy It Now

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3500w tankless electric - 3500w,

3500w tankless electric - 3500w,

£32.59 · Buy It Now

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3500w instant electric - instant,

3500w instant electric - instant,

£21.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£79.95 · Buy It Now

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Tankless electric instant hot - tankless,

Tankless electric instant hot - tankless,

£72.95 · Buy It Now

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15l electric instant - instant, hot

15l electric instant - instant, hot

£75.99 · Buy It Now

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1500w hot water heater - hot,

1500w hot water heater - hot,

£59.99 · Buy It Now

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18l lpg tankless - 8l-18l,

18l lpg tankless - 8l-18l,

£89.99 · Buy It Now

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Portable lpg hot - 6l,

Portable lpg hot - 6l,

£65.98 · Buy It Now

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360 kitchen electric - kitchen, heater

360 kitchen electric - kitchen, heater

£19.99 · Buy It Now

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Dexpro digital inline instant - dexpro,

Dexpro digital inline instant - dexpro,

£125.10 · Buy It Now

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New 18l instant gas - 8/10/12/16/18l,

New 18l instant gas - 8/10/12/16/18l,

£89.99 · Buy It Now

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3000w electric tankless - electric,

3000w electric tankless - electric,

£50.99 · Buy It Now

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10l 15l electric instant hot - 10l-15l,

10l 15l electric instant hot - 10l-15l,

£64.90 · Buy It Now

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Instant hot water tap 220v - hot,

Instant hot water tap 220v - hot,

£37.34 · Buy It Now

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15l electric instant - instant, water

15l electric instant - instant, water

£71.99 · Buy It Now

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15l electric instant hot - 10/12/15l,

15l electric instant hot - 10/12/15l,

£59.99 · Buy It Now

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5kw electric instant water - 5.5kw,

5kw electric instant water - 5.5kw,

£134.99 · Buy It Now

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360 electric heating - electric,

360 electric heating - electric,

£13.99 · Buy It Now

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Electric heater led faucet - electric, tap

Electric heater led faucet - electric, tap

£11.96 · Buy It Now

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10l portable instant gas hot - portable,

10l portable instant gas hot - portable,

£89.99 · Buy It Now

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10l 1500w electric instant - 1500w, hot

10l 1500w electric instant - 1500w, hot

£61.99 · Buy It Now

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220v 3000w plug instant - 3000w, uk

220v 3000w plug instant - 3000w, uk

£31.88 · Buy It Now

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Hyco instant electric - hyco,

Hyco instant electric - hyco,

£64.99 · Buy It Now

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24kw 12l portable instant hot - 12l,

24kw 12l portable instant hot - 12l,

£153.99 · Buy It Now

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12l instant hot tankless - instant,

12l instant hot tankless - instant,

£170.28 · Buy It Now

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📊96 listings · from £11.96 · avg £68.48
⚠️ These listings were last updated more than 9 days ago. Search for fresh listings

Browse 96 instant water heater listings currently in our index. Prices range from £11.96 to £299.99, with an average of £68.48. 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: infrared heating | ionic air purifier | keston 25 | keston fan | key programmer | kite land board | large radiator | lpg conversion kit | mechanical timer | mirror radiator

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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 £11.96, while premium listings can reach £299.99 — giving you a wide budget spread to work with. The average price of £68.48 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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