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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

€59.99
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Baxi multifit 720627001 - multifit,

Baxi multifit 720627001 - multifit,

€65.00
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Boiler pump potterton performa - pump,

Boiler pump potterton performa - pump,

€48.24
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0020038679 vaillant eco - x,

0020038679 vaillant eco - x,

€105.00
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Baxi bermuda back boiler - back,

Baxi bermuda back boiler - back,

€44.95
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Electric tankless instant hot - electric,

Electric tankless instant hot - electric,

€27.99
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3000w immersion water heater - immersion,

3000w immersion water heater - immersion,

€22.98
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Baxi bermuda back firefront - baxi,

Baxi bermuda back firefront - baxi,

€15.45
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Vaillant ecotec plus 824 831 - vaillant,

Vaillant ecotec plus 824 831 - vaillant,

€12.75
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Baxi back boiler thermostat - back,

Baxi back boiler thermostat - back,

€26.70
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Electric tankless instant - electric,

Electric tankless instant - electric,

€55.89
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Baxi duo tec - tec, 40

Baxi duo tec - tec, 40

€20.85
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3000w electric immersion water - 3000w,

3000w electric immersion water - 3000w,

€22.97
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Vaillant boiler service - service, kit

Vaillant boiler service - service, kit

€26.99
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Worcester greenstar junior 24i - worcester,

Worcester greenstar junior 24i - worcester,

€74.36
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Brand new baxi potterton - brand,

Brand new baxi potterton - brand,

€83.90
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Acquapuro wras 5kw digital - wras, 1.5kw

Acquapuro wras 5kw digital - wras, 1.5kw

€137.98
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Ideal boiler ignitor - ideal, unit

Ideal boiler ignitor - ideal, unit

€19.95
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Vaillant ecotec plus 824 - vaillant, 831

Vaillant ecotec plus 824 - vaillant, 831

€14.30
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5kw digital instant - digital,

5kw digital instant - digital,

€149.00
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Baxi bermuda back boilers - bermuda, 25/1

Baxi bermuda back boilers - bermuda, 25/1

€15.45
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Baxi bermuda sp2 - &, sp3

Baxi bermuda sp2 - &, sp3

€88.74
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Baxi bermuda lfe - c2, w

Baxi bermuda lfe - c2, w

€138.00
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Baxi duotec 24he bar - 5x,

Baxi duotec 24he bar - 5x,

€19.95
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Magnetic boiler filter 22mm - magnetic,

Magnetic boiler filter 22mm - magnetic,

€35.95
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Baxi 042818 k36p1323 - baxi,

Baxi 042818 k36p1323 - baxi,

€134.99
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Baxi bermuda 401 back - bermuda,

Baxi bermuda 401 back - bermuda,

€159.99
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Worcester greenstar 24i 28i - worcester,

Worcester greenstar 24i 28i - worcester,

€15.95
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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

€31.90
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Danfoss bfp storage - 11, r3

Danfoss bfp storage - 11, r3

€94.30
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Space saving boiling - saving, water

Space saving boiling - saving, water

€129.99
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Baxi main potterton - baxi, now

Baxi main potterton - baxi, now

€43.99
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1500w electric immersion water - immersion,

1500w electric immersion water - immersion,

€16.82
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Ideal esprit eco 30 - esprit,

Ideal esprit eco 30 - esprit,

€8.95
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0020221616 vaillant ecotec - 0020221616,

0020221616 vaillant ecotec - 0020221616,

€70.99
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Baxi bermuda 401 551 552 - 401,

Baxi bermuda 401 551 552 - 401,

€9.95
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Worcester bosch pressure - worcester,

Worcester bosch pressure - worcester,

€12.94
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Glowworm 0020197555 boiler - glowworm,

Glowworm 0020197555 boiler - glowworm,

€22.40
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Vaillant ecotec main heat - vaillant,

Vaillant ecotec main heat - vaillant,

€61.94
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Solid fuel rayburn with back - fuel,

Solid fuel rayburn with back - fuel,

€1536.70
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Vaillant ecotec pro 28 - pro,

Vaillant ecotec pro 28 - pro,

€21.57
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Worcester greenstar junior - worcester,

Worcester greenstar junior - worcester,

€19.99
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Plug immersion water heater - uk,

Plug immersion water heater - uk,

€25.59
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Baxi bermuda back boiler pw2 - baxi,

Baxi bermuda back boiler pw2 - baxi,

€10.75
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Electric tankless instant hot - tankless,

Electric tankless instant hot - tankless,

€65.99
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Vaillant ecotec pro plus - vaillant,

Vaillant ecotec pro plus - vaillant,

€82.47
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Baxi bermuda back - baxi,

Baxi bermuda back - baxi,

€49.95
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Vaillant ecotec plus 824 - 5, x

Vaillant ecotec plus 824 - 5, x

€35.00
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Adey magna cleanse central - adey,

Adey magna cleanse central - adey,

€156.70
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Vaillant ecotec plus vuw 824 - vaillant,

Vaillant ecotec plus vuw 824 - vaillant,

€8.39
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Adey magnaclean professional - adey,

Adey magnaclean professional - adey,

€6.49
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Fernox tf1 service kit 59288 - fernox,

Fernox tf1 service kit 59288 - fernox,

€5.92
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Vaillant 981227 ecotec - ecotec, plus

Vaillant 981227 ecotec - ecotec, plus

€11.19
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Worcester greenstar oilfit - worcester,

Worcester greenstar oilfit - worcester,

€49.99
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Baxi bermuda sp2 - baxi,

Baxi bermuda sp2 - baxi,

€88.74
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Vaillant ecotec pro 28 - ecotec,

Vaillant ecotec pro 28 - ecotec,

€58.20
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Vaillant ecotec plus - vaillant, vuw

Vaillant ecotec plus - vaillant, vuw

€19.99
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Baxi bermuda back boilers 1 - bermuda,

Baxi bermuda back boilers 1 - bermuda,

€15.45
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Worcester compact left and - worcester,

Worcester compact left and - worcester,

€25.99
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Worcester greenstar junior - worcester, 24i

Worcester greenstar junior - worcester, 24i

€103.66
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Vaillant ecotec plus 624 831 - plus, &

Vaillant ecotec plus 624 831 - plus, &

€60.99
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Smart thermostat underfloor - smart,

Smart thermostat underfloor - smart,

€21.62
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Ideal boiler service - ideal,

Ideal boiler service - ideal,

€32.95
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Vaillant pro 28 boiler - 24,

Vaillant pro 28 boiler - 24,

€14.75
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Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

€24.67
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Worcester greenstar highflow - worcester,

Worcester greenstar highflow - worcester,

€16.15
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Baxi back boiler honeywell - baxi,

Baxi back boiler honeywell - baxi,

€135.90
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0020038679 vaillant eco 613 - 0020038679,

0020038679 vaillant eco 613 - 0020038679,

€12.50
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Vaillant ecotec pro 28 - vaillant, 24

Vaillant ecotec pro 28 - vaillant, 24

€38.95
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Ideal spare valve unit cpl - spare,

Ideal spare valve unit cpl - spare,

€52.70
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Baxi bermuda vp2 vp3 - baxi,

Baxi bermuda vp2 vp3 - baxi,

€88.74
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Vaillant ecotec plus - vaillant, 615

Vaillant ecotec plus - vaillant, 615

€11.35
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Plug immersion water - uk,

Plug immersion water - uk,

€24.99
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Adey magnaclean professional2 - adey,

Adey magnaclean professional2 - adey,

€84.00
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Worcester greenstar 24i 28i - worcester,

Worcester greenstar 24i 28i - worcester,

€15.95
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Baxi duotec h28he bar - baxi,

Baxi duotec h28he bar - baxi,

€19.95
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Genuine worcester greenstar - genuine,

Genuine worcester greenstar - genuine,

€74.99
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Vaillant boiler pump - boiler,

Vaillant boiler pump - boiler,

€71.50
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Ideal domestic logic - logic, plus

Ideal domestic logic - logic, plus

€16.35
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Ideal logic plus combi - 24, 30

Ideal logic plus combi - 24, 30

€37.64
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Vokera way diverter valve - 3,

Vokera way diverter valve - 3,

€54.48
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Immersion heater spanner - heater,

Immersion heater spanner - heater,

€7.20
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Vokera easy heat plus 20136316 - vokera,

Vokera easy heat plus 20136316 - vokera,

€42.30
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Potterton suprima 50 60 - suprima, 40

Potterton suprima 50 60 - suprima, 40

€21.99
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Genuine baxi duotec - genuine, 24he

Genuine baxi duotec - genuine, 24he

€18.82
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1500w electric immersion - electric,

1500w electric immersion - electric,

€18.24
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Worcester t00500087a0 air - worcester,

Worcester t00500087a0 air - worcester,

€13.99
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Worcester boiler return unit - boiler, return-unit

Worcester boiler return unit - boiler, return-unit

€80.74
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Worcester greenstar junior 24i - greenstar,

Worcester greenstar junior 24i - greenstar,

€9.99
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Sentinel eliminator vortex300 - eliminator,

Sentinel eliminator vortex300 - eliminator,

€47.50
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Vaillant ecotec exclusive - ecotec,

Vaillant ecotec exclusive - ecotec,

€159.99
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Vaillant eco tec - eco, plus

Vaillant eco tec - eco, plus

€6.94
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Vaillant ecotec pro 28 - pro,

Vaillant ecotec pro 28 - pro,

€11.95
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Worcester greenstar junior 24i - worcester,

Worcester greenstar junior 24i - worcester,

€50.24
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Worcester return unit - worcester, return-unit

Worcester return unit - worcester, return-unit

€118.97
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Genuine worcester 87161461640 - genuine,

Genuine worcester 87161461640 - genuine,

€40.00
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📊96 listings · from €5.92 · avg €63.62
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 back boiler listings currently in our index. Prices range from €5.92 to €1536.7, with an average of €63.62. 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 back boiler →

Try this: baxi diverter valves | copper water tank | grundfos 15 60 | hot water tap | dimplex | glow worm back boiler | potterton boiler | lpg water heater | vaillant timer | lincat water boiler

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Everything you need to know about back boiler

Whether you are looking for a brand-new or second-hand back boiler, 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 €5.92, while premium listings can reach €1536.7 — giving you a wide budget spread to work with. The average price of €63.62 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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