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3kw electric tankless instant - electric,

3kw electric tankless instant - electric,

€51.89 · Buy It Now

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10l 1500w instant electric - 10l,

10l 1500w instant electric - 10l,

€59.89 · Buy It Now

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6kw instant hot - instant,

6kw instant hot - instant,

€69.95 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

€57.66 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

€55.99 · 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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Electric tankless instant - ~electric, 3kw

Electric tankless instant - ~electric, 3kw

€53.89 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

€49.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

€39.99 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

€53.99 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

€24.28 · Buy It Now

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10l 1500w electric instant - 10l,

10l 1500w electric instant - 10l,

€62.99 · Buy It Now

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15l electric instant hot water - electric,

15l electric instant hot water - electric,

€71.99 · 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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10l 1500w electric hot water - 10l,

10l 1500w electric hot water - 10l,

€54.99 · Buy It Now

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1500w 15l electric instant - instant, hot

1500w 15l electric instant - instant, hot

€65.00 · 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 hot - instant,

5kw electric instant hot - instant,

€62.89 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

€53.55 · Buy It Now

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3000w instant electric - 3000w,

3000w instant electric - 3000w,

€51.89 · Buy It Now

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3000w 220v electric tankless - 220v,

3000w 220v electric tankless - 220v,

€53.99 · Buy It Now

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5kw electric instant hot - electric,

5kw electric instant hot - electric,

€61.99 · Buy It Now

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3500w instant electric - instant,

3500w instant electric - instant,

€29.96 · Buy It Now

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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

€51.89 · Buy It Now

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5kw electric instant - electric,

5kw electric instant - electric,

€61.99 · Buy It Now

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Electric instant water heater - water,

Electric instant water heater - water,

€69.99 · 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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10l electric instant hot water - electric,

10l electric instant hot water - electric,

€61.99 · Buy It Now

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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

€59.99 · Buy It Now

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5kw electric instant - electric,

5kw electric instant - electric,

€60.99 · Buy It Now

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Dexpro litre under sink - 10,

Dexpro litre under sink - 10,

€99.99 · Buy It Now

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Dexpro litre under sink - litre,

Dexpro litre under sink - litre,

€109.99 · Buy It Now

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3500w instant electric - 3500w,

3500w instant electric - 3500w,

€29.98 · Buy It Now

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Ariston andris lux 15l - ariston,

Ariston andris lux 15l - ariston,

€190.00 · Buy It Now

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7000w electric tankless - electric,

7000w electric tankless - electric,

€77.89 · Buy It Now

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5kw electric instant - 1.5kw,

5kw electric instant - 1.5kw,

€48.99 · Buy It Now

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Water heater 2kw under - 2kw,

Water heater 2kw under - 2kw,

€54.99 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

€32.93 · Buy It Now

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Vented under sink electric - vented,

Vented under sink electric - vented,

€109.99 · Buy It Now

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Litre under sink electric - 10,

Litre under sink electric - 10,

€129.99 · Buy It Now

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3500w electric tankless - 3500w,

3500w electric tankless - 3500w,

€29.98 · Buy It Now

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Electric water heater shower - water,

Electric water heater shower - water,

€19.99 · Buy It Now

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10l instant electric tankless - instant,

10l instant electric tankless - instant,

€55.98 · Buy It Now

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15l electric instant - electric,

15l electric instant - electric,

€65.99 · Buy It Now

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10l 1500w electric hot water - electric,

10l 1500w electric hot water - electric,

€54.98 · Buy It Now

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15l electric instant hot - electric,

15l electric instant hot - electric,

€61.99 · Buy It Now

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Electric tankless water heater - electric,

Electric tankless water heater - electric,

€51.99 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

€29.15 · Buy It Now

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5kw electric instant hot - electric,

5kw electric instant hot - electric,

€59.89 · Buy It Now

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

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

€62.99 · Buy It Now

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Electric tankless instant 3kw - tankless,

Electric tankless instant 3kw - tankless,

€50.99 · Buy It Now

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5kw electric instant hot - electric,

5kw electric instant hot - electric,

€62.99 · Buy It Now

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Electric hot water - 8l,

Electric hot water - 8l,

€45.99 · Buy It Now

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3000w bathroom kitchen - 3000w, bathroom/kitchen

3000w bathroom kitchen - 3000w, bathroom/kitchen

€53.89 · Buy It Now

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Kitchen 3000w electric - kitchen,

Kitchen 3000w electric - kitchen,

€53.99 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

€29.99 · Buy It Now

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Ariston andris 10l - ariston, under

Ariston andris 10l - ariston, under

€90.00 · Buy It Now

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5kw electric instant - 1.5kw,

5kw electric instant - 1.5kw,

€61.99 · Buy It Now

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2kw 15liter electric - hot, water

2kw 15liter electric - hot, water

€124.99 · Buy It Now

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

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

€61.99 · Buy It Now

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Electric hot water storage - electric,

Electric hot water storage - electric,

€45.98 · Buy It Now

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Electric tankless instant - tankless,

Electric tankless instant - tankless,

€37.99 · Buy It Now

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

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

€61.99 · Buy It Now

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1500w electric hot water - 1500w,

1500w electric hot water - 1500w,

€49.90 · Buy It Now

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Electric tankless instant 3kw - instant,

Electric tankless instant 3kw - instant,

€50.99 · Buy It Now

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5kw electric instant hot - 1.5kw,

5kw electric instant hot - 1.5kw,

€61.99 · Buy It Now

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15l electric instant - instant, hot

15l electric instant - instant, hot

€61.99 · Buy It Now

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10l electric instant hot - 10l,

10l electric instant hot - 10l,

€57.99 · Buy It Now

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5kw electric instant - electric, hot

5kw electric instant - electric, hot

€61.99 · Buy It Now

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Electric tankless instant hot - instant,

Electric tankless instant hot - instant,

€48.99 · Buy It Now

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10l 5kw electric instant hot - 10l,

10l 5kw electric instant hot - 10l,

€62.99 · 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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Under sink electric - under, instant

Under sink electric - under, instant

€62.99 · Buy It Now

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Electric tankless instant - electric,

Electric tankless instant - electric,

€51.57 · Buy It Now

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Instant electric tankless - instant,

Instant electric tankless - instant,

€55.66 · Buy It Now

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5kw electric hot - 8l, 1.5kw

5kw electric hot - 8l, 1.5kw

€51.69 · Buy It Now

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5kw electric instant - electric, hot

5kw electric instant - electric, hot

€80.00 · Buy It Now

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3000w electric tankless - 3000w,

3000w electric tankless - 3000w,

€50.99 · Buy It Now

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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

€39.99 · Buy It Now

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10l tank electric - instant, hot

10l tank electric - instant, hot

€61.99 · Buy It Now

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Electric instant hot water - instant,

Electric instant hot water - instant,

€30.43 · Buy It Now

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5kw electric instant - 1.5kw,

5kw electric instant - 1.5kw,

€58.99 · Buy It Now

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10l 15l electric instant - electric,

10l 15l electric instant - electric,

€58.90 · Buy It Now

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

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

€61.99 · Buy It Now

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10l 1500w electric instant hot - 1500w,

10l 1500w electric instant hot - 1500w,

€65.99 · Buy It Now

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1500w electric hot water - 1500w,

1500w electric hot water - 1500w,

€49.99 · Buy It Now

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Electric instant hot water - instant,

Electric instant hot water - instant,

€62.99 · 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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15l electric instant hot - electric,

15l electric instant hot - electric,

€59.99 · Buy It Now

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10l 15l electric instant - 15l,

10l 15l electric instant - 15l,

€61.99 · Buy It Now

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Hyco speedflow litre - hyco, 15

Hyco speedflow litre - hyco, 15

€135.00 · Buy It Now

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Instant electric tankless hot - electric,

Instant electric tankless hot - electric,

€53.99 · Buy It Now

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15l electric tankless instant - 15l,

15l electric tankless instant - 15l,

€71.99 · Buy It Now

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Triton instaflow 1kw - triton,

Triton instaflow 1kw - triton,

€178.63 · Buy It Now

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Under 10l electric - under, instant

Under 10l electric - under, instant

€59.98 · Buy It Now

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Electric instant hot - electric, water

Electric instant hot - electric, water

€56.99 · Buy It Now

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📊96 listings · from €19.99 · avg €63.1

Browse 96 water heater under sink listings currently in our index. Prices range from €19.99 to €190, with an average of €63.1. 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 water heater under sink →

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Everything you need to know about water heater under sink

Whether you are looking for a brand-new or second-hand water heater under sink, 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 €190 — giving you a wide budget spread to work with. The average price of €63.1 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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