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Home / Heating, Cooling & Air / Sink water heater refurbished & used for sale | For Sale UK
5kw electric instant hot - instant,

5kw electric instant hot - instant,

£48.89 · Buy It Now

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Electric tankless instant - instant, hot

Electric tankless instant - instant, hot

£59.99 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

£53.55 · Buy It Now

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3500w instant electric - 3500w,

3500w instant electric - 3500w,

£28.97 · Buy It Now

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Electric tankless instant 3kw - instant,

Electric tankless instant 3kw - instant,

£58.89 · Buy It Now

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3kw electric tankless - electric, instant

3kw electric tankless - electric, instant

£58.89 · Buy It Now

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Instant hot water tap electric - instant,

Instant hot water tap electric - instant,

£29.70 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£49.99 · Buy It Now

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Electric instant water - water, heater

Electric instant water - water, heater

£72.99 · Buy It Now

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Electric tankless instant 3kw - tankless,

Electric tankless instant 3kw - tankless,

£59.99 · Buy It Now

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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£59.89 · Buy It Now

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Electric hand wash - unit, 3kw

Electric hand wash - unit, 3kw

£65.99 · 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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Steibel eltron under sink - steibel,

Steibel eltron under sink - steibel,

£187.90 · Buy It Now

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Litre under sink electric - under,

Litre under sink electric - under,

£129.99 · Buy It Now

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Compact 3kw instant electric - compact,

Compact 3kw instant electric - compact,

£50.00 · Buy It Now

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3500w electric tankless - 3500w,

3500w electric tankless - 3500w,

£28.97 · Buy It Now

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Hyco handyflow electric - hyco,

Hyco handyflow electric - hyco,

£90.93 · Buy It Now

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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£49.99 · Buy It Now

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10l 1500w electric hot water - electric,

10l 1500w electric hot water - electric,

£54.47 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£28.98 · Buy It Now

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Gal electric instant - 2.1,

Gal electric instant - 2.1,

£49.89 · Buy It Now

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10l 1500w electric instant - 1500w, hot

10l 1500w electric instant - 1500w, hot

£77.88 · Buy It Now

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1500w electric hot water - 8l,

1500w electric hot water - 8l,

£49.99 · Buy It Now

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3kw electric tankless instant - 3kw,

3kw electric tankless instant - 3kw,

£49.99 · Buy It Now

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Dexpro litre under sink - dexpro,

Dexpro litre under sink - dexpro,

£109.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£22.99 · Buy It Now

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Redring rmhw3 instantaneous - rmhw3,

Redring rmhw3 instantaneous - rmhw3,

£69.99 · Buy It Now

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Aquarius au7 under sink - au7/3, under-sink

Aquarius au7 under sink - au7/3, under-sink

£78.70 · Buy It Now

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10l 1500w instant electric - 10l, hot

10l 1500w instant electric - 10l, hot

£73.89 · Buy It Now

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5kw electric instant - electric, water

5kw electric instant - electric, water

£134.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£48.99 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£34.99 · Buy It Now

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Electric hand wash unit - hand, over

Electric hand wash unit - hand, over

£64.80 · Buy It Now

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Hyco handyflow electric - -,

Hyco handyflow electric - -,

£57.90 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£29.59 · Buy It Now

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Compact 3kw instant electric - compact,

Compact 3kw instant electric - compact,

£49.99 · Buy It Now

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7000w electric tankless - 7000w,

7000w electric tankless - 7000w,

£77.89 · Buy It Now

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Electric instant water heater - water,

Electric instant water heater - water,

£60.35 · Buy It Now

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Heatrae sadia streamline - sadia,

Heatrae sadia streamline - sadia,

£208.69 · Buy It Now

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Water heater 2kw under - under, sink

Water heater 2kw under - under, sink

£54.99 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£29.15 · Buy It Now

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Zip inline es3 instantaneous - es3,

Zip inline es3 instantaneous - es3,

£31.90 · Buy It Now

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Instant water heater with - water,

Instant water heater with - water,

£71.99 · Buy It Now

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15l electric instant hot - electric,

15l electric instant hot - electric,

£59.99 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

£37.00 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

£51.57 · Buy It Now

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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£49.99 · Buy It Now

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Ariston andris 15l under - andris,

Ariston andris 15l under - andris,

£105.00 · Buy It Now

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3kw electric tankless - 3kw,

3kw electric tankless - 3kw,

£57.43 · Buy It Now

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Electric water heater shower - electric,

Electric water heater shower - electric,

£19.99 · Buy It Now

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3000w instant electric - 3000w,

3000w instant electric - 3000w,

£49.99 · Buy It Now

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Plug white 001a - lf, electric

Plug white 001a - lf, electric

£49.99 · Buy It Now

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Triton t30i 240v over - triton,

Triton t30i 240v over - triton,

£49.95 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

£49.99 · Buy It Now

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5kw electric instant - 1.5kw,

5kw electric instant - 1.5kw,

£65.99 · Buy It Now

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

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

£73.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£49.99 · Buy It Now

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2kw 15liter electric hot water - 15liter,

2kw 15liter electric hot water - 15liter,

£124.99 · Buy It Now

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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

£59.99 · 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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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

£48.98 · Buy It Now

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Bathroom electric tankless - bathroom,

Bathroom electric tankless - bathroom,

£59.99 · Buy It Now

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Instant electric tankless - instant,

Instant electric tankless - instant,

£58.59 · Buy It Now

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Dexpro litre under - 10,

Dexpro litre under - 10,

£99.99 · Buy It Now

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Hyco instant electric - hyco, kw

Hyco instant electric - hyco, kw

£64.99 · Buy It Now

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10l 15l electric instant - 10l,

10l 15l electric instant - 10l,

£65.99 · Buy It Now

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3000w bathroom kitchen - 3000w, bathroom/kitchen

3000w bathroom kitchen - 3000w, bathroom/kitchen

£58.89 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

£48.99 · Buy It Now

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5kw electric instant water - 3.5kw,

5kw electric instant water - 3.5kw,

£124.95 · Buy It Now

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230v instant water - 7.3,

230v instant water - 7.3,

£89.99 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

£31.89 · Buy It Now

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

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

£65.99 · Buy It Now

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Water heater 2kw - heater,

Water heater 2kw - heater,

£44.99 · Buy It Now

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Hyco speedflow litre - hyco,

Hyco speedflow litre - hyco,

£135.00 · Buy It Now

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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

£58.89 · Buy It Now

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5kw electric instant hot - 1.5kw,

5kw electric instant hot - 1.5kw,

£73.89 · Buy It Now

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15l 1500w electric - electric, instant

15l 1500w electric - electric, instant

£73.99 · Buy It Now

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Dexpro 10l unvented water - dexpro,

Dexpro 10l unvented water - dexpro,

£133.36 · Buy It Now

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3kw hot water heater - hot,

3kw hot water heater - hot,

£49.99 · Buy It Now

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Triton t30ir 3kw infra red - 3kw,

Triton t30ir 3kw infra red - 3kw,

£83.95 · Buy It Now

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3kw electric instant hot water - hot,

3kw electric instant hot water - hot,

£59.99 · Buy It Now

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Ariston andris lux europrisma - andris,

Ariston andris lux europrisma - andris,

£152.39 · Buy It Now

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15l electric instant - electric,

15l electric instant - electric,

£73.99 · Buy It Now

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5kw electric instant hot - electric,

5kw electric instant hot - electric,

£58.99 · Buy It Now

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5kw electric tankless - 1.5kw,

5kw electric tankless - 1.5kw,

£73.99 · Buy It Now

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10l 5kw electric - 10l,

10l 5kw electric - 10l,

£54.99 · Buy It Now

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10l electric instant - hot, water

10l electric instant - hot, water

£65.99 · Buy It Now

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10l electric instant - 10l,

10l electric instant - 10l,

£73.89 · Buy It Now

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Vented under sink - 5l,

Vented under sink - 5l,

£109.99 · Buy It Now

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

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

£58.90 · Buy It Now

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Triton t30i 3kw 240v over - triton,

Triton t30i 3kw 240v over - triton,

£83.76 · Buy It Now

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10l 5kw electric instant hot - 1.5kw,

10l 5kw electric instant hot - 1.5kw,

£75.99 · Buy It Now

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Triton instaflow 2kw stored - 2kw,

Triton instaflow 2kw stored - 2kw,

£155.04 · Buy It Now

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6kw instant hot water heater - 6kw,

6kw instant hot water heater - 6kw,

£69.95 · Buy It Now

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

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

£75.95 · Buy It Now

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📊96 listings · from £19.99 · avg £68.57
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 sink water heater listings currently in our index. Prices range from £19.99 to £208.69, with an average of £68.57. 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 sink water heater →

Try this: ozone generator water | gas blow heater | slate water | steel columns | parafin heater | prem air | vaillant ecotec fixing kit | radiator shelf white | heatline boiler parts | cast iron rooflights

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Everything you need to know about sink water heater

Whether you are looking for a brand-new or second-hand sink 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 £19.99, while premium listings can reach £208.69 — giving you a wide budget spread to work with. The average price of £68.57 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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