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Under sink unvented water heater

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Home / Water Heating & Filtration / Under sink unvented water heater refurbished & used for sale | For Sale UK
Under sink 15l - sink,

Under sink 15l - sink,

£94.99
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Litre under sink electric - 10,

Litre under sink electric - 10,

£129.99
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Dexpro litre under - 10, sink

Dexpro litre under - 10, sink

£109.99
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Zip aquapoint unvented 10 - aquapoint, 3

Zip aquapoint unvented 10 - aquapoint, 3

£208.70
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Dexpro 2kw digital unvented - 2kw,

Dexpro 2kw digital unvented - 2kw,

£140.74
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Ferroli novo 2kw - novo, unvented

Ferroli novo 2kw - novo, unvented

£52.70
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Dexpro 10l unvented water - 10l,

Dexpro 10l unvented water - 10l,

£133.36
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Dexpro litre under - dexpro, sink

Dexpro litre under - dexpro, sink

£99.99
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Crown litre under - 10,

Crown litre under - 10,

£118.99
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Ariston andris lux 15l - ariston,

Ariston andris lux 15l - ariston,

£135.90
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Crown litre under - litre,

Crown litre under - litre,

£133.18
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Ariston andris lux 15l - andris,

Ariston andris lux 15l - andris,

£199.50
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Zip aquapoint iii ap310 - aquapoint,

Zip aquapoint iii ap310 - aquapoint,

£286.70
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Dexpro litre under - under, sink

Dexpro litre under - under, sink

£99.99
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Hyco speedflow litre - hyco, 15

Hyco speedflow litre - hyco, 15

£125.95
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Zip aquapoint iii ap3 - aquapoint,

Zip aquapoint iii ap3 - aquapoint,

£398.07
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Ariston andris lux 15l - ariston,

Ariston andris lux 15l - ariston,

£122.00
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Zip aquapoint ap3 - aquapoint, 10l

Zip aquapoint ap3 - aquapoint, 10l

£156.70
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Dexpro litre under - litre,

Dexpro litre under - litre,

£79.00
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Ariston litre 2kw - 10,

Ariston litre 2kw - 10,

£63.10
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Hyco speedflow litre - speedflow, 15

Hyco speedflow litre - speedflow, 15

£135.00
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Ferroli novo 2kw - ferroli, unvented

Ferroli novo 2kw - ferroli, unvented

£52.70
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Dexpro unvented water - dexpro, 6l

Dexpro unvented water - dexpro, 6l

£83.90
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Dexpro unvented water - 6l,

Dexpro unvented water - 6l,

£129.61
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Ferroli novo 2kw - ferroli,

Ferroli novo 2kw - ferroli,

£55.51
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Ariston new europrisma - ariston,

Ariston new europrisma - ariston,

£73.50
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Ariston andris lux 15l - ariston,

Ariston andris lux 15l - ariston,

£120.00
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Ariston litre 2kw - 10,

Ariston litre 2kw - 10,

£63.10
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Hyco speedflow litre - hyco,

Hyco speedflow litre - hyco,

£115.95
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Zip aquapoint unvented 10 - aquapoint, 3

Zip aquapoint unvented 10 - aquapoint, 3

£193.10
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Redring ms6 undersink water - 6l,

Redring ms6 undersink water - 6l,

£79.99
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Ariston water heater - water,

Ariston water heater - water,

£34.95
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Ferroli novo 2kw unvented - ferroli,

Ferroli novo 2kw unvented - ferroli,

£72.85
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Hyco sf10l speedflow litre - sf10l,

Hyco sf10l speedflow litre - sf10l,

£135.90
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Hyco electric speedflow - hyco,

Hyco electric speedflow - hyco,

£103.99
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Ariston andris lux - ariston, europrisma

Ariston andris lux - ariston, europrisma

£161.53
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Ariston andris lux 15l - andris,

Ariston andris lux 15l - andris,

£150.00
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Hyco speedflow electric - hyco,

Hyco speedflow electric - hyco,

£104.95
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Atlantic 10l nanto lite - nanto,

Atlantic 10l nanto lite - nanto,

£173.01
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Atlantic 15l nanto lite - atlantic,

Atlantic 15l nanto lite - atlantic,

£183.31
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Hyco speedflow litre - hyco,

Hyco speedflow litre - hyco,

£129.50
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Ferroli 10l unvented water - ferroli,

Ferroli 10l unvented water - ferroli,

£57.90
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Hyco speedflow litre - speedflow, 5

Hyco speedflow litre - speedflow, 5

£134.75
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Ariston 3100309 andris lux 15l - andris,

Ariston 3100309 andris lux 15l - andris,

£135.90
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Ariston andris lux - lux, 10l

Ariston andris lux - lux, 10l

£199.50
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Ariston andris lux 10l - ariston,

Ariston andris lux 10l - ariston,

£190.00
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Santon aquaheat ah15 2 - santon, ah15/2.2

Santon aquaheat ah15 2 - santon, ah15/2.2

£125.50
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Hyco speedflow electric - hyco,

Hyco speedflow electric - hyco,

£94.30
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Ariston andris lux - lux, europrisma

Ariston andris lux - lux, europrisma

£205.75
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Ariston andris lux - lux, litre

Ariston andris lux - lux, litre

£120.30
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Santon aquaheat ah10 10l - ah10/2.2,

Santon aquaheat ah10 10l - ah10/2.2,

£104.70
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Redring powerstream 5kw - redring, 9.5kw

Redring powerstream 5kw - redring, 9.5kw

£82.07
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Undersink water heater 2kw - heater,

Undersink water heater 2kw - heater,

£104.99
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Delux digital unvented water - delux,

Delux digital unvented water - delux,

£94.00
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Hyco sf10k speedflow - speedflow, electric

Hyco sf10k speedflow - speedflow, electric

£129.99
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Undersink water heater 15l - water,

Undersink water heater 15l - water,

£125.99
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Ariston andris lux - andris,

Ariston andris lux - andris,

£180.98
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Atlantic 10l nanto lite - atlantic,

Atlantic 10l nanto lite - atlantic,

£142.11
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Hyco sf15k undersink - hyco, electric

Hyco sf15k undersink - hyco, electric

£139.99
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Ariston andris lux europrisma - ariston,

Ariston andris lux europrisma - ariston,

£186.89
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Redring ms6 5kw litre - 6,

Redring ms6 5kw litre - 6,

£112.99
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Atlantic 10l nanto lite - atlantic,

Atlantic 10l nanto lite - atlantic,

£164.77
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Undersink water heater 2kw - heater,

Undersink water heater 2kw - heater,

£115.99
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Ariston andris lux - ariston, 15l

Ariston andris lux - ariston, 15l

£319.99
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Ferroli 10l unvented - ferroli,

Ferroli 10l unvented - ferroli,

£104.70
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Zip aquapoint iii - zip,

Zip aquapoint iii - zip,

£125.50
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Hyco sf05k litre speedflow - sf05k,

Hyco sf05k litre speedflow - sf05k,

£129.99
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Atlantic nanto lite - lite, 10l

Atlantic nanto lite - lite, 10l

£127.14
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Dexpro dxu10d delux - dexpro, digital

Dexpro dxu10d delux - dexpro, digital

£86.50
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Hyco speedflow 10litre 2kw - hyco,

Hyco speedflow 10litre 2kw - hyco,

£218.40
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Atlantic 10l nanto - 10l,

Atlantic 10l nanto - 10l,

£141.56
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Zip aquapoint iii ap3 - zip,

Zip aquapoint iii ap3 - zip,

£330.39
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Hyco sf10k undersink - sf10k, electric

Hyco sf10k undersink - sf10k, electric

£129.99
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Expansion vessel pressure - 2l,

Expansion vessel pressure - 2l,

£24.99
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Ariston andris lux - andris,

Ariston andris lux - andris,

£129.00
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Atlantic nanto lite litre - atlantic,

Atlantic nanto lite litre - atlantic,

£98.70
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Hyco model exp2l - hyco, undersink

Hyco model exp2l - hyco, undersink

£42.30
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Atlantic 10l nanto lite - atlantic,

Atlantic 10l nanto lite - atlantic,

£173.96
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Ariston andris lux 10l - ariston,

Ariston andris lux 10l - ariston,

£145.05
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Hyco speedflow 10l unvented - speedflow,

Hyco speedflow 10l unvented - speedflow,

£120.30
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Atlantic 15l nanto lite - 15l,

Atlantic 15l nanto lite - 15l,

£178.76
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Andris lux eco 15l - andris,

Andris lux eco 15l - andris,

£233.00
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Atlantic 10l nanto lite - atlantic,

Atlantic 10l nanto lite - atlantic,

£170.95
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Heatrae sadia hotflo 10l - heatrae,

Heatrae sadia hotflo 10l - heatrae,

£300.00
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Atlantic 10l nanto lite - atlantic,

Atlantic 10l nanto lite - atlantic,

£167.96
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Atlantic 15l nanto - atlantic,

Atlantic 15l nanto - atlantic,

£178.16
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Atlantic 15l nanto lite - nanto,

Atlantic 15l nanto lite - nanto,

£184.76
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Hyco sf10k12 10l 2kw - sf10k12, 1.2kw

Hyco sf10k12 10l 2kw - sf10k12, 1.2kw

£125.00
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Original zip aquapoint - aquapoint, ii

Original zip aquapoint - aquapoint, ii

£225.00
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Atlantic 15l nanto lite - 15l,

Atlantic 15l nanto lite - 15l,

£192.58
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Atlantic 15l nanto lite - atlantic,

Atlantic 15l nanto lite - atlantic,

£153.56
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Atlantic nanto plus - nanto, 10l

Atlantic nanto plus - nanto, 10l

£148.74
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Redring 12kw instant - redring,

Redring 12kw instant - redring,

£200.74
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Hyco speedflow 15litre 2kw - hyco,

Hyco speedflow 15litre 2kw - hyco,

£244.80
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Orka handyheat 10l - orka, under-sink

Orka handyheat 10l - orka, under-sink

£39.00
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Hyco speedflow unvented - hyco,

Hyco speedflow unvented - hyco,

£100.00
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📊96 listings · from £24.99 · avg £140.44
⚠️ These listings were last updated more than 16 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 £140.44. 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: vaillant ecotec combi boiler | vaillant ecotec fan | vaillant ecotec plus 831 | vaillant ecotec pro 28 | vaillant vcw 242 | vokera compact pcb | vokera heat exchanger | water cylinder | water logic | worcester 24i fan

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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 £140.44 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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