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Used combi boilers

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Vaillant ecotec plus 824 - ecotec,

Vaillant ecotec plus 824 - ecotec,

£260.70
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Baxi 600 heat only - baxi,

Baxi 600 heat only - baxi,

£208.70
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Ideal logic plus - ideal,

Ideal logic plus - ideal,

£119.90
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Ideal logic combi esp1 - logic,

Ideal logic combi esp1 - logic,

£260.70
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Thermaflow th9 210u mrk2 - th9-210u,

Thermaflow th9 210u mrk2 - th9-210u,

£1026.70
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Worcester greenstar combi si30 - combi,

Worcester greenstar combi si30 - combi,

£83.90
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Baxi duo tec - tec, 28

Baxi duo tec - tec, 28

£29.99
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Baxi 228 combi - 228, boiler

Baxi 228 combi - 228, boiler

£167.10
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Worcester greenstar combi - worcester,

Worcester greenstar combi - worcester,

£34.99
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Ideal logic combi - 24, &

Ideal logic combi - 24, &

£26.99
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Worcester greenstar 4000 - greenstar,

Worcester greenstar 4000 - greenstar,

£76.79
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Potterton 407699 control board - potterton,

Potterton 407699 control board - potterton,

£31.90
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Ideal boilers kit bcc - ideal, 30

Ideal boilers kit bcc - ideal, 30

£21.50
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Combi boiler diverter valve - valve, /

Combi boiler diverter valve - valve, /

£94.30
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Worcester bosch combi boiler - worcester, |

Worcester bosch combi boiler - worcester, |

£1099.00
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Worcester greenstar combi - worcester,

Worcester greenstar combi - worcester,

£115.10
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Ideal boilers kit bcc combi - ideal,

Ideal boilers kit bcc combi - ideal,

£21.50
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Worcester cdi 35 - cdi,,

Worcester cdi 35 - cdi,,

£5.45
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Ideal boilers kit - ideal, 30

Ideal boilers kit - ideal, 30

£21.50
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Ideal boilers kit bcc combi - ideal, kit-bcc

Ideal boilers kit bcc combi - ideal, kit-bcc

£21.50
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Baxi 825 combi - baxi,

Baxi 825 combi - baxi,

£57.90
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Genuine worcester greenstar - worcester,

Genuine worcester greenstar - worcester,

£66.99
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Ideal boilers kit bcc combi - kit-bcc, 30

Ideal boilers kit bcc combi - kit-bcc, 30

£21.50
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Baxi platinum combi - 24, 33

Baxi platinum combi - 24, 33

£12.99
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Worcester greenstar r30 - greenstar,

Worcester greenstar r30 - greenstar,

£149.99
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Ideal combi logic - ideal,

Ideal combi logic - ideal,

£28.40
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New hive thermostat mini - hive,

New hive thermostat mini - hive,

£53.95
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Main eco compact - main, 15

Main eco compact - main, 15

£99.99
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Combi boiler fitted 400 - fitted, £400

Combi boiler fitted 400 - fitted, £400

£400.00
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Worcester bosch greenstar - worcester, 15ri

Worcester bosch greenstar - worcester, 15ri

£156.70
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Worcester bosch greenstar - bosch,

Worcester bosch greenstar - bosch,

£1099.00
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Worcester bosch 1000 - bosch, 30kw

Worcester bosch 1000 - bosch, 30kw

£799.99
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Baxi combi 624 630 636 - baxi,

Baxi combi 624 630 636 - baxi,

£65.00
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Ideal logic plus combi 24 - ideal, 30

Ideal logic plus combi 24 - ideal, 30

£21.50
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Grant vortex pro external - vortex,

Grant vortex pro external - vortex,

£2650.00
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Baxi 825 combi - 825,

Baxi 825 combi - 825,

£47.50
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Truma combi boiler - combi,

Truma combi boiler - combi,

£771.70
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Main combi 30eco 25 eco - &,

Main combi 30eco 25 eco - &,

£22.99
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Worcester bosch combi - worcester,

Worcester bosch combi - worcester,

£1099.00
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Ideal logic combi 30 - ideal, )

Ideal logic combi 30 - ideal, )

£119.99
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Ideal logic combi - (, )

Ideal logic combi - (, )

£64.99
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Main eco compact system - compact, 15

Main eco compact system - compact, 15

£65.00
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Baxi combi 80e - 80e, &

Baxi combi 80e - 80e, &

£29.99
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Baxi duotec 24hea - baxi, 24hea,

Baxi duotec 24hea - baxi, 24hea,

£9.99
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175569 ideal logic combi - logic,

175569 ideal logic combi - logic,

£57.97
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Main combi eco - main, elite

Main combi eco - main, elite

£21.99
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Baxi 825 combi - baxi,

Baxi 825 combi - baxi,

£37.10
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Alpha combi boiler - alpha,

Alpha combi boiler - alpha,

£83.90
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Baxi neta tec - baxi, plus

Baxi neta tec - baxi, plus

£49.99
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Worcester greenstar 25i - greenstar, 30i

Worcester greenstar 25i - greenstar, 30i

£45.99
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Main combi eco - 30, 30

Main combi eco - 30, 30

£24.99
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Grant vortex condensing combi - grant,

Grant vortex condensing combi - grant,

£1950.00
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Worcester greenstar heatslave - greenstar,

Worcester greenstar heatslave - greenstar,

£1985.56
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Worcester greenstar 4000 - greenstar, 30

Worcester greenstar 4000 - greenstar, 30

£19.19
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Ideal logic combi - logic, 24

Ideal logic combi - logic, 24

£47.99
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Worcester camray combi 90a - camray,

Worcester camray combi 90a - camray,

£146.25
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Used worcester greenstar 25i - worcester,

Used worcester greenstar 25i - worcester,

£24.99
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Ariston combi - ariston, ff

Ariston combi - ariston, ff

£44.99
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Ariston combi evo - evo, clas

Ariston combi evo - evo, clas

£42.99
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Worcester 24i 28i - , 28

Worcester 24i 28i - , 28

£135.85
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Grant vortex condensing combi - condensing,

Grant vortex condensing combi - condensing,

£2200.00
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Ideal logic plus combi - +, 30

Ideal logic plus combi - +, 30

£22.99
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Viessmann 100 wb1c 26kw 30kw - viessmann,

Viessmann 100 wb1c 26kw 30kw - viessmann,

£49.99
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Grant vortex pro combi - combi, 36kw

Grant vortex pro combi - combi, 36kw

£1790.00
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Ideal logic combi 30 - ),

Ideal logic combi 30 - ),

£52.70
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Ideal logic combi 30 35 - logic,

Ideal logic combi 30 35 - logic,

£8.99
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Ideal logic combi - ideal,

Ideal logic combi - ideal,

£27.99
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Main eco compact combi 30 - eco,

Main eco compact combi 30 - eco,

£149.99
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Baxi neta tec combi - 28, ga

Baxi neta tec combi - 28, ga

£125.99
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175569 ideal logic combi - 175569,

175569 ideal logic combi - 175569,

£54.99
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Baxi combi 80eco maxflue - baxi,

Baxi combi 80eco maxflue - baxi,

£19.99
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Ideal logic combi 35 - ideal,

Ideal logic combi 35 - ideal,

£28.49
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Ideal logic combi 30 - ideal,

Ideal logic combi 30 - ideal,

£29.99
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Baxi combi 105e 105he - 105he, boiler

Baxi combi 105e 105he - 105he, boiler

£24.99
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Genuine ideal logic - genuine,

Genuine ideal logic - genuine,

£10.99
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Main eco compact combi - main,

Main eco compact combi - main,

£70.00
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Ideal logic combi esp1 30 - ideal,

Ideal logic combi esp1 30 - ideal,

£186.99
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Deal logic combi 30 - 24, 35

Deal logic combi 30 - 24, 35

£62.70
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Worcester greenstar r30 - worcester, 30

Worcester greenstar r30 - worcester, 30

£178.99
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Worcester greenstar combi - greenstar,

Worcester greenstar combi - greenstar,

£138.99
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Baxi duotec combi - duotec,

Baxi duotec combi - duotec,

£29.75
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Ideal logic combi - +, flow

Ideal logic combi - +, flow

£12.94
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Baxi combi - 2,

Baxi combi - 2,

£9.99
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Potterton promax ultra - ultra, 24

Potterton promax ultra - ultra, 24

£39.78
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Genuine ideal 175576 logic - genuine,

Genuine ideal 175576 logic - genuine,

£28.78
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Baxi combi 24he - 24he,105e,, 05he

Baxi combi 24he - 24he,105e,, 05he

£79.99
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Worcester camray combi 90a - /, 5

Worcester camray combi 90a - /, 5

£94.25
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Main combi 30he pcb - combi,

Main combi 30he pcb - combi,

£20.43
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Baxi duo tec combi - baxi,

Baxi duo tec combi - baxi,

£34.99
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Ideal pro combi exclusive - pro,

Ideal pro combi exclusive - pro,

£21.50
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Truma combi boiler system - truma,

Truma combi boiler system - truma,

£644.20
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Genuine ideal logic combi 15 - ideal,

Genuine ideal logic combi 15 - ideal,

£59.99
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Baxi neta tec - 33, ga

Baxi neta tec - 33, ga

£124.99
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Ideal logic combi - logic,

Ideal logic combi - logic,

£20.00
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Cheap brand new vaillant erp - brand,

Cheap brand new vaillant erp - brand,

£1249.99
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Drayton lp20rf programmable - drayton,

Drayton lp20rf programmable - drayton,

£65.00
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📊96 listings · from £5.45 · avg £251.41

Browse 96 used combi boilers listings currently in our index. Prices range from £5.45 to £2650, with an average of £251.41. 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 used combi boilers →

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Everything you need to know about used combi boilers

Whether you are looking for a brand-new or second-hand used combi boilers, 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 £5.45, while premium listings can reach £2650 — giving you a wide budget spread to work with. The average price of £251.41 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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