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Instant water heater

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Home / Ponds & Water Features / Instant water heater refurbished & used for sale | For Sale UK
Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£58.99 · Buy It Now

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3kw electric tankless instant - electric,

3kw electric tankless instant - electric,

£45.99 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£30.90 · Buy It Now

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

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

£70.99 · Buy It Now

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3000w instant electric - 3000w,

3000w instant electric - 3000w,

£45.89 · Buy It Now

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5500w tankless hot water - 5500w,

5500w tankless hot water - 5500w,

£29.99 · Buy It Now

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Electric tankless instant - tankless, hot

Electric tankless instant - tankless, hot

£29.99 · Buy It Now

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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£95.76 · Buy It Now

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Electric tankless instant 3kw - tankless,

Electric tankless instant 3kw - tankless,

£46.99 · Buy It Now

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5kw 10l electric - electric, instant

5kw 10l electric - electric, instant

£60.75 · Buy It Now

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Electric heating tap 360 - tap, 360°

Electric heating tap 360 - tap, 360°

£18.99 · Buy It Now

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3kw electric tankless - tankless, instant

3kw electric tankless - tankless, instant

£45.89 · Buy It Now

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Portable lpg hot water - hot,

Portable lpg hot water - hot,

£67.98 · Buy It Now

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Electric tankless water - electric, heater

Electric tankless water - electric, heater

£45.97 · Buy It Now

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6000w electric tankless - 6000w,

6000w electric tankless - 6000w,

£54.99 · Buy It Now

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Electric instant water heater - water,

Electric instant water heater - water,

£60.35 · Buy It Now

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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

£46.89 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£23.49 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£29.98 · Buy It Now

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5kw electric instant - electric, hot

5kw electric instant - electric, hot

£58.99 · Buy It Now

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Electric water heater - electric,

Electric water heater - electric,

£26.49 · Buy It Now

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Electric tankless instant - electric, hot

Electric tankless instant - electric, hot

£43.89 · Buy It Now

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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£47.99 · Buy It Now

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Instant hot water heater - hot,

Instant hot water heater - hot,

£10.80 · Buy It Now

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360 electric heating - electric, tap

360 electric heating - electric, tap

£14.99 · Buy It Now

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15l electric instant hot water - electric,

15l electric instant hot water - electric,

£59.99 · 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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Dexpro 5kw inline instant - 7.5kw,

Dexpro 5kw inline instant - 7.5kw,

£125.99 · Buy It Now

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

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

£72.37 · Buy It Now

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6kw instant hot water - water, heater

6kw instant hot water - water, heater

£69.95 · Buy It Now

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Tankless electric instant hot - tankless,

Tankless electric instant hot - tankless,

£67.95 · Buy It Now

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Instant water heater 220v - instant,

Instant water heater 220v - instant,

£33.49 · Buy It Now

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

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

£71.99 · Buy It Now

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12l hot water - 12l, boiler

12l hot water - 12l, boiler

£69.99 · Buy It Now

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80000btu 12l tankless gas hot - tankless,

80000btu 12l tankless gas hot - tankless,

£141.09 · 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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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£48.98 · Buy It Now

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230v instant water - 4.5,

230v instant water - 4.5,

£79.99 · Buy It Now

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6000w electric tankless - 6000w,

6000w electric tankless - 6000w,

£72.95 · Buy It Now

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5500w portable tankless - 5500w,

5500w portable tankless - 5500w,

£45.00 · Buy It Now

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18l propane gas - propane,

18l propane gas - propane,

£87.99 · Buy It Now

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Electric tankless instant - tankless, hot

Electric tankless instant - tankless, hot

£30.88 · Buy It Now

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3kw electric tankless instant - electric,

3kw electric tankless instant - electric,

£45.98 · Buy It Now

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3500w tankless electric - 3500w,

3500w tankless electric - 3500w,

£34.99 · Buy It Now

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3500w tankless hot water - tankless,

3500w tankless hot water - tankless,

£35.84 · Buy It Now

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3000w electric instant - 3000w,

3000w electric instant - 3000w,

£45.89 · Buy It Now

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3kw hot water - 3kw,

3kw hot water - 3kw,

£45.89 · Buy It Now

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18l instant gas - gas, hot

18l instant gas - gas, hot

£77.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£29.99 · Buy It Now

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5kw electric instant water - electric,

5kw electric instant water - electric,

£124.95 · Buy It Now

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Instant water heater - water, 220v

Instant water heater - water, 220v

£33.29 · Buy It Now

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24kw 12l portable instant hot - 24kw,

24kw 12l portable instant hot - 24kw,

£153.99 · Buy It Now

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Electric water heater new - water,

Electric water heater new - water,

£26.70 · Buy It Now

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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£79.99 · 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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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£23.39 · Buy It Now

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Electric tankless hot water - electric,

Electric tankless hot water - electric,

£46.99 · Buy It Now

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Electric heating tap 360 - tap, 360°

Electric heating tap 360 - tap, 360°

£19.69 · Buy It Now

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Portable lpg propane gas 10l - gas,

Portable lpg propane gas 10l - gas,

£89.99 · Buy It Now

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Camplux portable gas water - camplux,

Camplux portable gas water - camplux,

£238.99 · Buy It Now

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5500w electric tankless - 5500w~electric,

5500w electric tankless - 5500w~electric,

£29.99 · Buy It Now

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5500w tankless hot water - 5500w,

5500w tankless hot water - 5500w,

£29.90 · Buy It Now

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18l lpg propane - lpg, gas

18l lpg propane - lpg, gas

£94.80 · Buy It Now

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18l propane gas - propane, heater

18l propane gas - propane, heater

£105.99 · Buy It Now

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Kitchen 3000w electric - kitchen,

Kitchen 3000w electric - kitchen,

£47.99 · Buy It Now

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Portable lpg hot - lpg, water

Portable lpg hot - lpg, water

£67.98 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£42.95 · Buy It Now

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5kw 10l electric instant hot - instant,

5kw 10l electric instant hot - instant,

£59.99 · Buy It Now

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Tankless gas hot water - gas, heater

Tankless gas hot water - gas, heater

£269.99 · Buy It Now

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Instant electric water heater - water, heater.

Instant electric water heater - water, heater.

£57.90 · Buy It Now

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Electric hot water - electric,

Electric hot water - electric,

£30.86 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£23.49 · Buy It Now

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

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

£69.99 · Buy It Now

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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£95.99 · Buy It Now

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10l hot water - water, indoor

10l hot water - water, indoor

£61.99 · Buy It Now

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Electric heating tap 360 - heating, 360°

Electric heating tap 360 - heating, 360°

£19.79 · Buy It Now

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3500w tankless electric - 3500w,

3500w tankless electric - 3500w,

£38.19 · Buy It Now

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10l electric instant hot water - 10l,

10l electric instant hot water - 10l,

£61.99 · Buy It Now

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5kw instant point use hot - instant,

5kw instant point use hot - instant,

£69.99 · Buy It Now

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360 electric heating - 360°,

360 electric heating - 360°,

£13.99 · Buy It Now

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Tankless electric instant hot - instant,

Tankless electric instant hot - instant,

£72.95 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£30.89 · Buy It Now

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Ariston aures 5kw instant - aures, 9.5kw

Ariston aures 5kw instant - aures, 9.5kw

£58.05 · Buy It Now

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Tankless hot water heater - tankless,

Tankless hot water heater - tankless,

£72.95 · Buy It Now

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10l 1500w electric instant - 1500w,

10l 1500w electric instant - 1500w,

£60.75 · Buy It Now

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24 30l hot - 8/10/12/16/18/24/30l,

24 30l hot - 8/10/12/16/18/24/30l,

£88.80 · Buy It Now

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Electric instant hot - instant, water

Electric instant hot - instant, water

£51.57 · Buy It Now

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Dexpro inline instant - dexpro,

Dexpro inline instant - dexpro,

£52.70 · Buy It Now

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5500w electric tankless - 5500w,

5500w electric tankless - 5500w,

£30.89 · Buy It Now

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Thermomate instant water - thermomate,

Thermomate instant water - thermomate,

£92.99 · Buy It Now

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18l propane gas - 8l-18l,

18l propane gas - 8l-18l,

£77.99 · Buy It Now

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230v instant water - 230v,

230v instant water - 230v,

£79.99 · Buy It Now

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10l electric instant hot - instant,

10l electric instant hot - instant,

£60.75 · Buy It Now

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12l tankless lpg water heater - tankless,

12l tankless lpg water heater - tankless,

£156.69 · 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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Portable lpg hot - 6l, water

Portable lpg hot - 6l, water

£67.98 · Buy It Now

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📊96 listings · from £10.8 · avg £61.85
⚠️ These listings were last updated more than 12 days ago. Search for fresh listings

Browse 96 instant water heater listings currently in our index. Prices range from £10.8 to £269.99, with an average of £61.85. 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: insulated bottle carrier | instant water boiler | keston 25 | keston fan | kingfisher potterton | large hot water bottle | marco boiler | mercedes sprinter water pump | mgb water pump | nissan primera diesel

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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 £10.8, while premium listings can reach £269.99 — giving you a wide budget spread to work with. The average price of £61.85 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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