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Under sink unvented water heater

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Dexpro litre under sink - dexpro,

Dexpro litre under sink - dexpro,

£99.99
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Litre under sink - 10,

Litre under sink - 10,

£129.99
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Dexpro litre under - dexpro, sink

Dexpro litre under - dexpro, sink

£109.99
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Ferroli novo 2kw - novo, unvented

Ferroli novo 2kw - novo, unvented

£52.70
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Dexpro 10l unvented water - dexpro,

Dexpro 10l unvented water - dexpro,

£133.36
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Dexpro 2kw digital unvented - dexpro,

Dexpro 2kw digital unvented - dexpro,

£129.99
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Dexpro litre under sink - litre,

Dexpro litre under sink - litre,

£79.00
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Ferroli novo 2kw unvented - ferroli, 10

Ferroli novo 2kw unvented - ferroli, 10

£52.70
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Hyco speedflow litre - hyco,

Hyco speedflow litre - hyco,

£135.00
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Ariston andris lux 15l - andris,

Ariston andris lux 15l - andris,

£190.00
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Crown litre under sink - 10,

Crown litre under sink - 10,

£118.99
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Dexpro unvented water - dexpro,

Dexpro unvented water - dexpro,

£129.61
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Dexpro litre under sink - litre,

Dexpro litre under sink - litre,

£99.99
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Hyco speedflow litre - hyco, 15

Hyco speedflow litre - hyco, 15

£120.00
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Zip aquapoint unvented 10 - zip, 3

Zip aquapoint unvented 10 - zip, 3

£208.70
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Ariston andris lux 10l - andris,

Ariston andris lux 10l - andris,

£190.00
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Hyco speedflow sf10k - sf10k, 10

Hyco speedflow sf10k - sf10k, 10

£85.00
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Ariston litre 2kw unvented - ariston,

Ariston litre 2kw unvented - ariston,

£63.10
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Ariston andris lux europrisma - ariston,

Ariston andris lux europrisma - ariston,

£72.00
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Umboxed hyco speedflow sf05k - umboxed,

Umboxed hyco speedflow sf05k - umboxed,

£74.54
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Hyco electric speedflow - hyco,

Hyco electric speedflow - hyco,

£119.50
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Ariston 3100309 andris lux - lux, 15l

Ariston 3100309 andris lux - lux, 15l

£135.90
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Ferroli novo 2kw unvented - ferroli,

Ferroli novo 2kw unvented - ferroli,

£72.85
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Ariston litre 2kw unvented - 10,

Ariston litre 2kw unvented - 10,

£63.10
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Dexpro unvented water - 6l,

Dexpro unvented water - 6l,

£120.00
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Ferroli 10l unvented - unvented, water

Ferroli 10l unvented - unvented, water

£57.90
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Ferroli novo 2kw unvented - ferroli, 10

Ferroli novo 2kw unvented - ferroli, 10

£55.51
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Hyco speedflow litre - speedflow,

Hyco speedflow litre - speedflow,

£129.50
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Atlantic 15l nanto lite - 15l,

Atlantic 15l nanto lite - 15l,

£183.31
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Ariston andris lux - lux, 10l

Ariston andris lux - lux, 10l

£170.00
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Ariston andris lux unvented - ariston,

Ariston andris lux unvented - ariston,

£83.90
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Ariston andris lux 15l - ariston,

Ariston andris lux 15l - ariston,

£304.75
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Ariston andris lux - andris,

Ariston andris lux - andris,

£166.11
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Ariston water heater 10l 2kw - 10l,

Ariston water heater 10l 2kw - 10l,

£35.99
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Hyco speedflow litre - 10,

Hyco speedflow litre - 10,

£115.95
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Hyco sf15k speedflow - sf15k,

Hyco sf15k speedflow - sf15k,

£125.99
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Ferroli novo 2kw - ferroli, unvented

Ferroli novo 2kw - ferroli, unvented

£75.96
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Redring ms6 undersink water - redring,

Redring ms6 undersink water - redring,

£109.00
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Ariston andris lux - ariston,

Ariston andris lux - ariston,

£186.11
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Hyco speedflow litre - speedflow, 15

Hyco speedflow litre - speedflow, 15

£125.95
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Hyco speedflow electric - hyco,

Hyco speedflow electric - hyco,

£104.95
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Ferroli 10l unvented - 10l,

Ferroli 10l unvented - 10l,

£104.70
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Zip aquapoint ap3 - ap3/15, 2000w

Zip aquapoint ap3 - ap3/15, 2000w

£179.99
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Delux digital unvented - digital, water

Delux digital unvented - digital, water

£99.00
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Hyco sf05k speedflow - hyco,

Hyco sf05k speedflow - hyco,

£104.99
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Redring ms6 5kw - 1.5kw, litre

Redring ms6 5kw - 1.5kw, litre

£112.99
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Hyco sf05k litre speedflow - hyco, 5

Hyco sf05k litre speedflow - hyco, 5

£129.99
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Zip aquapoint unvented 10 - zip,

Zip aquapoint unvented 10 - zip,

£260.70
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Atlantic 10l nanto lite - 10l,

Atlantic 10l nanto lite - 10l,

£142.11
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Redring powerstream 5kw - powerstream, 9.5kw

Redring powerstream 5kw - powerstream, 9.5kw

£135.90
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Dexpro dxu10d delux digital - dxu10d,

Dexpro dxu10d delux digital - dxu10d,

£86.50
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Ariston andris lux europrisma - lux,

Ariston andris lux europrisma - lux,

£211.57
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Ariston andris lux europrisma - andris,

Ariston andris lux europrisma - andris,

£192.18
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Redring powerstream 12kw - powerstream,

Redring powerstream 12kw - powerstream,

£194.20
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Ariston andris lux 10l - andris,

Ariston andris lux 10l - andris,

£149.99
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Redring rps12 powerstream - rps12,

Redring rps12 powerstream - rps12,

£172.99
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Stiebel eltron dem instant - eltron,

Stiebel eltron dem instant - eltron,

£195.00
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Hyco sf10k speedflow 10l - sf10k,

Hyco sf10k speedflow 10l - sf10k,

£115.99
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Ariston andris lux europrisma - ariston,

Ariston andris lux europrisma - ariston,

£192.18
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Hyco sf10k speedflow - hyco,

Hyco sf10k speedflow - hyco,

£129.99
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Hyco speedflow 10litre 2kw - speedflow,

Hyco speedflow 10litre 2kw - speedflow,

£218.40
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Hyco sf15k undersink electric - sf15k,

Hyco sf15k undersink electric - sf15k,

£139.99
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Ariston 3100306 europrisma - ariston,

Ariston 3100306 europrisma - ariston,

£73.50
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Expansion vessel pressure - 2l,

Expansion vessel pressure - 2l,

£24.99
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Santon aquaheat ah10 2 - aquaheat, ah10/2.2

Santon aquaheat ah10 2 - aquaheat, ah10/2.2

£182.70
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Redring 12kw instant water - redring,

Redring 12kw instant water - redring,

£199.99
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Hyco speedflow sf10k undersink - speedflow,

Hyco speedflow sf10k undersink - speedflow,

£169.99
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Heatrae sadia hotflo - sadia, 10

Heatrae sadia hotflo - sadia, 10

£279.00
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Ariston andris lux unvented - ariston,

Ariston andris lux unvented - ariston,

£129.00
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Hyco speedflow 10l unvented - hyco,

Hyco speedflow 10l unvented - hyco,

£120.30
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Stiebel eltron dem - stiebel,

Stiebel eltron dem - stiebel,

£195.00
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Atlantic 15l nanto lite - 15l,

Atlantic 15l nanto lite - 15l,

£184.76
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Hyco sf10k undersink electric - undersink,

Hyco sf10k undersink electric - undersink,

£129.99
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Heatrae sadia hotflo 10l - heatrae,

Heatrae sadia hotflo 10l - heatrae,

£312.70
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Hyco speedflow 5litre 2kw - speedflow,

Hyco speedflow 5litre 2kw - speedflow,

£211.20
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Atlantic 15l nanto lite - atlantic,

Atlantic 15l nanto lite - atlantic,

£153.56
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Ariston andris lux unvented - andris,

Ariston andris lux unvented - andris,

£149.00
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Atlantic 10l nanto - atlantic, lite

Atlantic 10l nanto - atlantic, lite

£173.01
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Atlantic 10l nanto lite - 10l,

Atlantic 10l nanto lite - 10l,

£170.95
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Atlantic 10l nanto - atlantic, lite

Atlantic 10l nanto - atlantic, lite

£164.77
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Atlantic 15l nanto - nanto, lite

Atlantic 15l nanto - nanto, lite

£192.58
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Zip aquapoint iii ap3 - aquapoint,

Zip aquapoint iii ap3 - aquapoint,

£330.39
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Heatrae sadia hotflo 10l - heatrae,

Heatrae sadia hotflo 10l - heatrae,

£324.99
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Atlantic nanto lite litre - atlantic,

Atlantic nanto lite litre - atlantic,

£98.70
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Hyco sf10k12 10l 2kw - hyco, 1.2kw

Hyco sf10k12 10l 2kw - hyco, 1.2kw

£125.00
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Hyco speedflow 15l unvented - hyco,

Hyco speedflow 15l unvented - hyco,

£141.10
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Hyco speedflow 15litre - speedflow, 2kw

Hyco speedflow 15litre - speedflow, 2kw

£244.80
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Atlantic 15l nanto lite - 15l,

Atlantic 15l nanto lite - 15l,

£178.16
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Ariston andris lux 10l - andris,

Ariston andris lux 10l - andris,

£145.05
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Atlantic 15l nanto lite - nanto,

Atlantic 15l nanto lite - nanto,

£178.76
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Atlantic 15l nanto lite - atlantic,

Atlantic 15l nanto lite - atlantic,

£192.58
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Zip aquapoint iii - zip, ap3/15

Zip aquapoint iii - zip, ap3/15

£398.07
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Andris lux 10l undersink 2kw - lux,

Andris lux 10l undersink 2kw - lux,

£160.00
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Hyco electric speedflow - hyco,

Hyco electric speedflow - hyco,

£104.98
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Orka handyheat 10l under - orka,

Orka handyheat 10l under - orka,

£39.00
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Hyco speedflow unvented - speedflow,

Hyco speedflow unvented - speedflow,

£157.26
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📊96 listings · from £24.99 · avg £147.1
⚠️ These listings were last updated more than 9 days ago. Search for fresh listings

Browse 96 under sink unvented water heater listings currently in our index. Prices range from £24.99 to £398.07, with an average of £147.1. 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 under sink unvented water heater →

Try this: uv water steriliser | vaillant ecotec fan | vaillant ecotec plus 831 | vaillant ecotec pro 28 | vaillant ecotec pump | vaillant vcw 242 | vitodens | vokera compact pcb | vokera linea 24 | water cooling kit

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Everything you need to know about under sink unvented water heater

Whether you are looking for a brand-new or second-hand under sink unvented 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 £24.99, while premium listings can reach £398.07 — giving you a wide budget spread to work with. The average price of £147.1 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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