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Instant water heater

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Instant water heater for sale on Ireland's largest auction and classifieds sites

3kw electric tankless - 3kw, instant

3kw electric tankless - 3kw, instant

£63.89 · 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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18l propane gas - 8l-18l,

18l propane gas - 8l-18l,

£72.37 · Buy It Now

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

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

£79.99 · Buy It Now

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Electric instant water heater - electric,

Electric instant water heater - electric,

£69.99 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£53.55 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£22.99 · Buy It Now

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Instant water heater - heater, 220v

Instant water heater - heater, 220v

£30.00 · Buy It Now

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Electric tankless instant - tankless, hot

Electric tankless instant - tankless, hot

£51.57 · Buy It Now

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Mini instant water heater - instant,

Mini instant water heater - instant,

£59.99 · Buy It Now

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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

£29.45 · Buy It Now

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3kw electric tankless instant - 3kw,

3kw electric tankless instant - 3kw,

£60.99 · Buy It Now

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Instant electric water heater - electric,

Instant electric water heater - electric,

£29.50 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£79.95 · Buy It Now

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Electric instant water heater - instant,

Electric instant water heater - instant,

£60.35 · Buy It Now

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Tankless electric instant hot - instant,

Tankless electric instant hot - instant,

£67.95 · Buy It Now

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5kw electric instant hot - electric,

5kw electric instant hot - electric,

£48.89 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£39.99 · Buy It Now

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7000w electric tankless - 7000w,

7000w electric tankless - 7000w,

£77.89 · Buy It Now

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5500w electric instant hot - 5500w,

5500w electric instant hot - 5500w,

£52.42 · Buy It Now

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18l instant gas hot - instant,

18l instant gas hot - instant,

£92.99 · Buy It Now

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

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

£106.80 · Buy It Now

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Mini electric water heater - mini,

Mini electric water heater - mini,

£26.70 · Buy It Now

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15l electric instant hot water - electric,

15l electric instant hot water - electric,

£69.99 · Buy It Now

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360 electric heating tap - 360°,

360 electric heating tap - 360°,

£15.49 · Buy It Now

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4500w 6000w electric - 4500w-6000w,

4500w 6000w electric - 4500w-6000w,

£75.95 · Buy It Now

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360 kitchen electric heater - 360°,

360 kitchen electric heater - 360°,

£13.92 · Buy It Now

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Redring powerstream 5kw - redring,

Redring powerstream 5kw - redring,

£135.90 · Buy It Now

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Tankless hot water - hot, heater

Tankless hot water - hot, heater

£77.95 · Buy It Now

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Compact 3kw instant electric - 3kw,

Compact 3kw instant electric - 3kw,

£50.00 · Buy It Now

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Gal electric instant - electric,

Gal electric instant - electric,

£49.89 · Buy It Now

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3500w electric tankless - electric,

3500w electric tankless - electric,

£29.58 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

£51.99 · Buy It Now

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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£89.99 · Buy It Now

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5kw electric instant - 5.5kw, water

5kw electric instant - 5.5kw, water

£134.99 · Buy It Now

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Tankless electric instant hot - electric,

Tankless electric instant hot - electric,

£64.95 · Buy It Now

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Instant hot water tap - hot,

Instant hot water tap - hot,

£29.70 · Buy It Now

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3500w instant electric - instant,

3500w instant electric - instant,

£29.57 · Buy It Now

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Demand instant hot water - on,

Demand instant hot water - on,

£112.45 · Buy It Now

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3500w tankless hot - 3500w,

3500w tankless hot - 3500w,

£29.57 · Buy It Now

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Instant hot water tap - water, tap,

Instant hot water tap - water, tap,

£24.00 · Buy It Now

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Tankless propane gas water - propane,

Tankless propane gas water - propane,

£77.99 · Buy It Now

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1500w hot water heater - 1500w,

1500w hot water heater - 1500w,

£48.99 · Buy It Now

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3500w tankless electric - 3500w,

3500w tankless electric - 3500w,

£35.99 · Buy It Now

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Tankless gas hot water - gas,

Tankless gas hot water - gas,

£239.99 · Buy It Now

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Electric instant hot - electric,

Electric instant hot - electric,

£51.55 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£29.58 · Buy It Now

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3500w tankless hot - tankless,

3500w tankless hot - tankless,

£29.58 · Buy It Now

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📊48 listings · from £13.92 · avg £61.43

Browse 48 instant water heater listings currently in our index. Prices range from £13.92 to £239.99, with an average of £61.43. 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 →

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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 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 £13.92, while premium listings can reach £239.99 — giving you a wide budget spread to work with. The average price of £61.43 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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