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Chaffoteaux britony ii bf - ii,

Chaffoteaux britony ii bf - ii,

€14.99
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Chaffoteaux britony ii - 2t,,

Chaffoteaux britony ii - 2t,,

€19.99
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Fernox express leak - leak, sealer

Fernox express leak - leak, sealer

€25.66
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Ariston andris lux - ariston, 2l

Ariston andris lux - ariston, 2l

€59.78
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Main multipoint water - multipoint,

Main multipoint water - multipoint,

€34.99
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Brand new wilo yonos pico - new,

Brand new wilo yonos pico - new,

€80.00
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Only worcester 7716191085 - worcester,

Only worcester 7716191085 - worcester,

€14.00
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Main multipoint water - bf,

Main multipoint water - bf,

€79.99
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Baxi bermuda back boilers 1 - baxi,

Baxi bermuda back boilers 1 - baxi,

€15.45
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New pair worcester bosch - x,

New pair worcester bosch - x,

€30.38
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Ariston litre expansion - litre,

Ariston litre expansion - litre,

€25.66
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Main multipoint water - multipoint,

Main multipoint water - multipoint,

€79.99
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Baxi bermuda back boilers - baxi,

Baxi bermuda back boilers - baxi,

€24.99
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Ariston under unit sink - under, unit/sink

Ariston under unit sink - under, unit/sink

€85.00
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Worcester bosch degree - bosch, 45°

Worcester bosch degree - bosch, 45°

€16.15
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7716191085 new worcester bosch - new,

7716191085 new worcester bosch - new,

€48.49
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Ariston 406801 kit litre - ariston, 2

Ariston 406801 kit litre - ariston, 2

€55.00
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Ariston europrisma 2 litre - ariston,

Ariston europrisma 2 litre - ariston,

€35.01
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New worcester bosch - new,

New worcester bosch - new,

€49.99
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Combisave teddington csa0003 - teddington,

Combisave teddington csa0003 - teddington,

€54.99
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Ideal classic 50 60 - rs,

Ideal classic 50 60 - rs,

€15.45
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Chaffoteaux 60081980 pressure - 60081980,

Chaffoteaux 60081980 pressure - 60081980,

€40.00
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Chaffoteaux ariston 60081366 - chaffoteaux,

Chaffoteaux ariston 60081366 - chaffoteaux,

€7.99
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Ideal wlx 45p rs - ideal,

Ideal wlx 45p rs - ideal,

€39.99
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New worcester bosch - new,

New worcester bosch - new,

€49.99
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Fernox express central - f2,

Fernox express central - f2,

€8.87
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Genuine worcester highflow - genuine, 3.5

Genuine worcester highflow - genuine, 3.5

€15.45
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Potterton flamingo mk2 cf50 - flamingo,

Potterton flamingo mk2 cf50 - flamingo,

€15.45
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Viessmann 100mm boiler - 100mm,

Viessmann 100mm boiler - 100mm,

€37.10
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Worcester bosch degree - bosch, 45°

Worcester bosch degree - bosch, 45°

€37.10
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New worcester bosch - new,

New worcester bosch - new,

€48.53
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Genuine worcester heatslave - genuine,

Genuine worcester heatslave - genuine,

€15.51
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Ideal wlx 60 - wlx,

Ideal wlx 60 - wlx,

€15.45
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Glowworm cast iron bbu 45f - 45,

Glowworm cast iron bbu 45f - 45,

€24.99
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Ferroli 39803010 thermocouple - 39803010,

Ferroli 39803010 thermocouple - 39803010,

€14.99
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Fernox express leak sealer - express,

Fernox express leak sealer - express,

€24.00
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New worcester bosch - worcester, 45°

New worcester bosch - worcester, 45°

€49.99
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Worcester bosch degree - bosch, 45°

Worcester bosch degree - bosch, 45°

€26.78
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Honeywell thermocouple 900mm - -,

Honeywell thermocouple 900mm - -,

€16.50
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Worcester bosch 7716191085 - worcester,

Worcester bosch 7716191085 - worcester,

€44.99
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Ferroli hawk thermocouple - hawk,

Ferroli hawk thermocouple - hawk,

€15.45
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Potterton prima 30b 40b - prima, 50b

Potterton prima 30b 40b - prima, 50b

€24.95
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Potterton boiler thermocouple - potterton,

Potterton boiler thermocouple - potterton,

€74.99
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Ideal concord 450 - ,

Ideal concord 450 - ,

€19.99
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Potterton boiler thermocouple - boiler,

Potterton boiler thermocouple - boiler,

€79.99
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Ideal mexico bed - 2, 40

Ideal mexico bed - 2, 40

€15.45
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Chaffoteaux ariston 81366 - chaffoteaux,

Chaffoteaux ariston 81366 - chaffoteaux,

€7.99
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Fernox express 400ml - fernox,

Fernox express 400ml - fernox,

€23.58
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Johnson starley 1000 0703265 - &, 1000-0703265

Johnson starley 1000 0703265 - &, 1000-0703265

€94.95
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Ferroli combi 76ff 77ff - 76ff,

Ferroli combi 76ff 77ff - 76ff,

€15.99
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Fernox express central - fernox,

Fernox express central - fernox,

€27.89
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Worcester 7716191085 flue - worcester,

Worcester 7716191085 flue - worcester,

€31.90
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Ideal sprint rs 75 p - 75,

Ideal sprint rs 75 p - 75,

€39.99
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Ideal classic 50 60 - ideal, rs

Ideal classic 50 60 - ideal, rs

€19.99
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Genuine worcester highflow - worcester, 3.5

Genuine worcester highflow - worcester, 3.5

€19.99
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Worcester degree elbow - worcester, 45

Worcester degree elbow - worcester, 45

€52.70
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Chaffoteaux britony - chaffoteaux,

Chaffoteaux britony - chaffoteaux,

€24.99
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Ideal classic 50 - 30, 60

Ideal classic 50 - 30, 60

€9.00
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Ferroli combi 76ff 77ff - 77ff,

Ferroli combi 76ff 77ff - 77ff,

€19.99
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Genuine worcester heatslave - genuine,

Genuine worcester heatslave - genuine,

€19.99
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Wilo yonos pico - wilo,

Wilo yonos pico - wilo,

€144.29
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Thorn apollo 30 - ,

Thorn apollo 30 - ,

€19.99
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Worcester bosch boiler - 45°,

Worcester bosch boiler - 45°,

€47.49
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Ferroli optima thermocouple - ferroli,

Ferroli optima thermocouple - ferroli,

€19.99
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Ferroli optima thermocouple - ferroli,

Ferroli optima thermocouple - ferroli,

€15.99
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Ideal mexico bed - ideal, 2

Ideal mexico bed - ideal, 2

€19.99
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Glow worm economy plus 24b - worm,

Glow worm economy plus 24b - worm,

€19.99
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Ideal mexico slimline 40 - ideal,

Ideal mexico slimline 40 - ideal,

€39.99
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New worcester bosch - new,

New worcester bosch - new,

€49.99
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Glowworm buckingham iii 50 - glowworm, 40

Glowworm buckingham iii 50 - glowworm, 40

€24.99
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Worcester 7716191085 flue bend - worcester,

Worcester 7716191085 flue bend - worcester,

€31.90
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Chaffoteaux britony boiler - britony,

Chaffoteaux britony boiler - britony,

€19.99
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Ideal mexico slimline - ideal, rs40

Ideal mexico slimline - ideal, rs40

€24.95
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Ideal concord wcf240b - ideal,

Ideal concord wcf240b - ideal,

€39.99
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Glowworm cast iron bbu - cast,

Glowworm cast iron bbu - cast,

€29.99
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Potterton prima 30b - prima, b

Potterton prima 30b - prima, b

€29.95
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Worcester heatslave mk1 - worcester, 9.24

Worcester heatslave mk1 - worcester, 9.24

€19.99
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Stiebel eltron tankless - eltron,

Stiebel eltron tankless - eltron,

€291.85
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Baxi 225498 obsolete - 225498,

Baxi 225498 obsolete - 225498,

€24.95
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Ideal wcf 440 450 460 - ideal,

Ideal wcf 440 450 460 - ideal,

€39.99
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Worcester

Worcester

€19.99
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Universal stereomatic gas - universal,

Universal stereomatic gas - universal,

€4.38
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Ideal elan rs 30 - elan, 2

Ideal elan rs 30 - elan, 2

€39.99
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Ideal cavalcade visa fire - ideal,

Ideal cavalcade visa fire - ideal,

€39.99
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Glow worm economy plus - glow, 30b

Glow worm economy plus - glow, 30b

€16.14
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Worcester genuine new - 45°genuine,

Worcester genuine new - 45°genuine,

€38.66
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Glowworm buckingham iii - glowworm,

Glowworm buckingham iii - glowworm,

€29.99
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Ideal compact 60 - compact, &

Ideal compact 60 - compact, &

€24.95
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Ideal wlx 60 - rs, 40

Ideal wlx 60 - rs, 40

€19.99
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Wilo yonos pico - wilo,

Wilo yonos pico - wilo,

€89.10
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Ideal classic boiler - ideal,

Ideal classic boiler - ideal,

€17.50
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Off worcester 7716191085 - off,

Off worcester 7716191085 - off,

€21.49
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Ideal mexico slimline - mexico, 3

Ideal mexico slimline - mexico, 3

€49.95
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Worcester 7716191085 flue bend - worcester,

Worcester 7716191085 flue bend - worcester,

€35.99
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Fernox leak sealer - fernox,

Fernox leak sealer - fernox,

€42.00
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Fernox leak sealer - leak,

Fernox leak sealer - leak,

€40.00
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📊96 listings · from €4.38 · avg €36.73

Browse 96 gas water heater undersink listings currently in our index. Prices range from €4.38 to €291.85, with an average of €36.73. 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 €4.38, while premium listings can reach €291.85 — giving you a wide budget spread to work with. The average price of €36.73 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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