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Gas water heater undersink

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Ariston water heater kit 2 - water,

Ariston water heater kit 2 - water,

€25.00
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Ariston under unit sink - under, hot

Ariston under unit sink - under, hot

€85.00
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Ariston expansion vessel - ariston, 2l

Ariston expansion vessel - ariston, 2l

€16.15
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Worcester 7716191085 flue - flue, bend

Worcester 7716191085 flue - flue, bend

€25.45
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Ariston water heater - heater, expansion

Ariston water heater - heater, expansion

€27.99
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Ariston water heater kit - heater,

Ariston water heater kit - heater,

€24.54
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Chaffoteaux britony ii bf - chaffoteaux,

Chaffoteaux britony ii bf - chaffoteaux,

€15.99
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Chaffoteaux britony ii bf - britony,

Chaffoteaux britony ii bf - britony,

€20.50
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Ariston litre andris lux - ariston,

Ariston litre andris lux - ariston,

€32.99
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Ariston 2ltr expansion vessel - ariston,

Ariston 2ltr expansion vessel - ariston,

€21.50
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Main multipoint water - multipoint,

Main multipoint water - multipoint,

€34.99
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Main multipoint water - multipoint,

Main multipoint water - multipoint,

€79.99
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Ariston 406801 kit 2l - kit, a

Ariston 406801 kit 2l - kit, a

€29.87
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Worcester manifold unit - worcester,

Worcester manifold unit - worcester,

€107.21
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Worcester boiler repair kit - worcester,

Worcester boiler repair kit - worcester,

€107.21
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Main 5110886 multipoint - multipoint, bf

Main 5110886 multipoint - multipoint, bf

€74.99
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Worcester 7716191085 flue bend - worcester,

Worcester 7716191085 flue bend - worcester,

€25.65
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Ariston litre andris lux - litre,

Ariston litre andris lux - litre,

€26.70
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Chaffoteaux britony ii bf - chaffoteaux, 2t,

Chaffoteaux britony ii bf - chaffoteaux, 2t,

€19.99
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New worcester bosch - new,

New worcester bosch - new,

€49.99
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Danfoss hs3 port - 3-port, motorized

Danfoss hs3 port - 3-port, motorized

€39.96
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Worcester 7716191085 flue bend - 7716191085,

Worcester 7716191085 flue bend - 7716191085,

€21.49
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Only worcester 7716191085 - only,

Only worcester 7716191085 - only,

€14.00
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Chaffoteaux britony 21kw - chaffoteaux, t

Chaffoteaux britony 21kw - chaffoteaux, t

€20.50
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Worcester flue bends - 45°,

Worcester flue bends - 45°,

€12.95
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Main multipoint water - bf,

Main multipoint water - bf,

€79.99
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Center universal vessel wall - center,

Center universal vessel wall - center,

€7.99
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Zilmet ultra pro litre - zilmet,

Zilmet ultra pro litre - zilmet,

€42.99
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Ariston andris lux - ariston,

Ariston andris lux - ariston,

€59.78
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Prv flow turbine manifold - flow,

Prv flow turbine manifold - flow,

€107.21
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7716191085 new worcester bosch - 7716191085,

7716191085 new worcester bosch - 7716191085,

€48.49
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Boiler flow turbine prv - boiler,

Boiler flow turbine prv - boiler,

€107.21
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Fernox express central - fernox,

Fernox express central - fernox,

€8.87
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Ariston europrisma 2 - -,

Ariston europrisma 2 - -,

€35.01
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Potterton kingfisher cf40 - kingfisher,

Potterton kingfisher cf40 - kingfisher,

€26.93
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Chaffoteaux britony - chaffoteaux, 2

Chaffoteaux britony - chaffoteaux, 2

€64.95
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Worcester highflow 5 - worcester,

Worcester highflow 5 - worcester,

€14.99
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Baxi 102005 thermocouple - baxi,

Baxi 102005 thermocouple - baxi,

€13.49
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Worcester bosch degree - worcester,

Worcester bosch degree - worcester,

€37.10
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Worcester bosch degree - bosch, 45°

Worcester bosch degree - bosch, 45°

€16.15
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New worcester bosch - bosch, 45°

New worcester bosch - bosch, 45°

€49.99
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Worcester 7716191085 degree - worcester,

Worcester 7716191085 degree - worcester,

€34.99
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Ariston 406801 kit - ariston, 2l

Ariston 406801 kit - ariston, 2l

€25.30
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Honeywell thermocouple 900mm - honeywell,

Honeywell thermocouple 900mm - honeywell,

€16.50
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Baxi wall mounted of - wall, 40/3

Baxi wall mounted of - wall, 40/3

€9.00
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Ariston 406801 kit litre - ariston,

Ariston 406801 kit litre - ariston,

€55.00
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New worcester bosch - worcester, 45°

New worcester bosch - worcester, 45°

€49.99
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Ariston 406801 kit - kit, litre

Ariston 406801 kit - kit, litre

€55.00
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Chaffoteaux corvec sh12 - corvec, water

Chaffoteaux corvec sh12 - corvec, water

€20.50
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Chaffoteaux britony a - chaffoteaux, ii

Chaffoteaux britony a - chaffoteaux, ii

€20.50
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Ariston 406801 kit - 406801, 2

Ariston 406801 kit - 406801, 2

€35.02
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Fernox express leak - f4,

Fernox express leak - f4,

€24.00
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Baxi bermuda back boilers - bermuda,

Baxi bermuda back boilers - bermuda,

€15.45
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Worcester bosch degree - worcester,

Worcester bosch degree - worcester,

€39.70
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New worcester bosch - worcester,

New worcester bosch - worcester,

€49.99
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Ferroli 39803010 thermocouple - ferroli,

Ferroli 39803010 thermocouple - ferroli,

€12.74
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Chaffoteaux ariston 60081366 - chaffoteaux,

Chaffoteaux ariston 60081366 - chaffoteaux,

€7.99
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New pair worcester - new-,

New pair worcester - new-,

€30.38
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Ideal mexico bed super - 2,

Ideal mexico bed super - 2,

€15.45
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Ideal domestic mexico - ideal,

Ideal domestic mexico - ideal,

€9.00
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Center universal expansion - center,

Center universal expansion - center,

€13.99
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Ideal domestic elan - rs, 40

Ideal domestic elan - rs, 40

€9.00
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Combisave teddington csa0003 - combisave,

Combisave teddington csa0003 - combisave,

€54.99
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Ariston 406801 kit - 406801,

Ariston 406801 kit - 406801,

€51.79
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Worcester flow sensor prv - worcester,

Worcester flow sensor prv - worcester,

€107.21
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Electrode ideal 003038 388396 - electrode,

Electrode ideal 003038 388396 - electrode,

€16.15
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Water heater hard - heater,

Water heater hard - heater,

€50.89
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Worcester 7716191085 flue - 7716191085,

Worcester 7716191085 flue - 7716191085,

€31.90
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Drayton 0702020 angle auto - drayton,

Drayton 0702020 angle auto - drayton,

€24.99
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Ideal classic 50 60 - ideal,

Ideal classic 50 60 - ideal,

€15.45
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Chaffoteaux ariston 81366 now - ariston,

Chaffoteaux ariston 81366 now - ariston,

€7.99
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Ideal 003038 ign electrode - ign,

Ideal 003038 ign electrode - ign,

€18.50
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Worcester prv manifold - worcester,

Worcester prv manifold - worcester,

€107.21
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Johnson starley 1000 0703265 - &, 1000-0703265

Johnson starley 1000 0703265 - &, 1000-0703265

€94.95
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Worcester boiler flow turbine - worcester,

Worcester boiler flow turbine - worcester,

€107.21
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Fernox express 400ml - express,

Fernox express 400ml - express,

€23.58
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Potterton boiler thermocouple - potterton,

Potterton boiler thermocouple - potterton,

€79.99
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Baxi bermuda back boilers 1 - baxi,

Baxi bermuda back boilers 1 - baxi,

€24.99
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Worcester boiler manifold - worcester, +

Worcester boiler manifold - worcester, +

€107.21
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Worcester boiler part set - boiler,

Worcester boiler part set - boiler,

€107.21
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Ariston litre andris lux - andris,

Ariston litre andris lux - andris,

€31.90
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Potterton prima 30b 40b - potterton,

Potterton prima 30b 40b - potterton,

€24.95
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Flow turbine manifold - +, unit

Flow turbine manifold - +, unit

€107.21
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Worcester boiler manifold unit - boiler,

Worcester boiler manifold unit - boiler,

€107.21
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Chaffoteaux britony - britony, 2

Chaffoteaux britony - britony, 2

€29.00
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Potterton fireside bbu - potterton, 35/51

Potterton fireside bbu - potterton, 35/51

€26.93
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Genuine worcester heatslave - genuine,

Genuine worcester heatslave - genuine,

€15.51
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Ideal classic 50 - 40, 60

Ideal classic 50 - 40, 60

€19.99
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Potterton boiler thermocouple - potterton,

Potterton boiler thermocouple - potterton,

€74.99
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Baxi part 102050connector - baxi,

Baxi part 102050connector - baxi,

€21.50
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Ideal wlx 60 - 50, &

Ideal wlx 60 - 50, &

€15.45
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Viessmann 7373227 flue - 45°,

Viessmann 7373227 flue - 45°,

€49.99
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Potterton flamingo mk2 cf50 - flamingo,

Potterton flamingo mk2 cf50 - flamingo,

€15.45
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Genuine worcester highflow 5 - highflow, 3.5

Genuine worcester highflow 5 - highflow, 3.5

€19.99
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25l universal expansion - universal,

25l universal expansion - universal,

€12.95
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Ltr varem extravarem - 2,

Ltr varem extravarem - 2,

€26.70
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📊96 listings · from €7.99 · avg €40.24

Browse 96 gas water heater undersink listings currently in our index. Prices range from €7.99 to €107.21, with an average of €40.24. 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 gas water heater undersink →

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Whether you are looking for a brand-new or second-hand gas water heater undersink, 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 €7.99, while premium listings can reach €107.21 — giving you a wide budget spread to work with. The average price of €40.24 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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