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Used combi boilers

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Vaillant ecotec plus - ecotec, r1

Vaillant ecotec plus - ecotec, r1

£260.70
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Baxi 600 heat only - heat,

Baxi 600 heat only - heat,

£208.70
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Ideal logic plus combi - plus, 30

Ideal logic plus combi - plus, 30

£119.90
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Ideal logic combi - ideal,

Ideal logic combi - ideal,

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

Thermaflow th9 210u - thermaflow, th9-210u

£1026.70
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Worcester greenstar combi si30 - worcester,

Worcester greenstar combi si30 - worcester,

£83.90
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Baxi duo tec combi - 24, he

Baxi duo tec combi - 24, he

£29.99
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Baxi 228 combi boiler 28kw - 228,

Baxi 228 combi boiler 28kw - 228,

£167.10
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Worcester greenstar combi - worcester, 25

Worcester greenstar combi - worcester, 25

£34.99
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Ideal logic combi - ideal,

Ideal logic combi - ideal,

£26.99
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Worcester greenstar 4000 - worcester, 30

Worcester greenstar 4000 - worcester, 30

£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,

Ideal boilers kit bcc - ideal,

£21.50
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Combi boiler diverter - combi, /

Combi boiler diverter - combi, /

£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, 30

Ideal boilers kit bcc combi - ideal, 30

£21.50
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Worcester cdi 35 ii - worcester,

Worcester cdi 35 ii - worcester,

£5.45
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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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Ideal boilers kit bcc combi - kit-bcc, 30

Ideal boilers kit bcc combi - kit-bcc, 30

£21.50
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Baxi 825 combi condensing - condensing, gas

Baxi 825 combi condensing - condensing, gas

£57.90
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Genuine worcester greenstar - genuine,

Genuine worcester greenstar - genuine,

£66.99
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Ideal boilers kit bcc combi - ideal,

Ideal boilers kit bcc combi - ideal,

£21.50
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Baxi platinum combi - 24, 28

Baxi platinum combi - 24, 28

£12.99
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Worcester greenstar r30 - 30, 35

Worcester greenstar r30 - 30, 35

£149.99
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Ideal combi logic - 24,,

Ideal combi logic - 24,,

£28.40
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New hive thermostat mini - new,

New hive thermostat mini - new,

£53.95
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Main eco compact system - main,

Main eco compact system - main,

£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 30kw - worcester,

Worcester bosch 1000 30kw - worcester,

£799.99
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Baxi combi 624 630 - combi,

Baxi combi 624 630 - combi,

£65.00
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Ideal logic plus combi 24 - plus, +

Ideal logic plus combi 24 - plus, +

£21.50
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Grant vortex pro - vortex, external

Grant vortex pro - vortex, external

£2650.00
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Baxi 825 combi - baxi, gas

Baxi 825 combi - baxi, gas

£47.50
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Truma combi boiler - truma,

Truma combi boiler - truma,

£771.70
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Main combi 30eco 25 - main, 25,30eco

Main combi 30eco 25 - main, 25,30eco

£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 30 - ideal,

Ideal logic combi 30 - ideal,

£64.99
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Main eco compact system - eco,

Main eco compact system - eco,

£65.00
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Baxi combi 80e 80eco - 80eco, 105e

Baxi combi 80e 80eco - 80eco, 105e

£29.99
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Baxi duotec 24hea - baxi,

Baxi duotec 24hea - baxi,

£9.99
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175569 ideal logic - logic, combi

175569 ideal logic - logic, combi

£57.97
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Main combi eco - 24, elite

Main combi eco - 24, elite

£21.99
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Baxi 825 combi condensing - 825,

Baxi 825 combi condensing - 825,

£37.10
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Alpha combi boiler wireless - combi,

Alpha combi boiler wireless - combi,

£83.90
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Baxi neta tec plus - plus, 28

Baxi neta tec plus - plus, 28

£49.99
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Worcester greenstar 25i 30i - greenstar,

Worcester greenstar 25i 30i - greenstar,

£45.99
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Main combi eco 30 - combi,

Main combi eco 30 - combi,

£24.99
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Grant vortex condensing - vortex, combi

Grant vortex condensing - vortex, combi

£1950.00
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Worcester greenstar heatslave - worcester,

Worcester greenstar heatslave - worcester,

£1985.56
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Worcester greenstar 4000 - greenstar,

Worcester greenstar 4000 - greenstar,

£19.19
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Ideal logic combi - 30, 35

Ideal logic combi - 30, 35

£47.99
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Worcester camray combi - /, 5

Worcester camray combi - /, 5

£146.25
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Used worcester greenstar 25i - used,

Used worcester greenstar 25i - used,

£24.99
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Ariston combi - e-combi, ff

Ariston combi - e-combi, ff

£44.99
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Ariston combi evo - clas, he

Ariston combi evo - clas, he

£42.99
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Worcester 24i 28i - , 24

Worcester 24i 28i - , 24

£135.85
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Grant vortex condensing - vortex, combi

Grant vortex condensing - vortex, combi

£2200.00
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Ideal logic plus - ideal,

Ideal logic plus - ideal,

£22.99
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Viessmann 100 wb1c 26kw - viessmann,

Viessmann 100 wb1c 26kw - viessmann,

£49.99
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Grant vortex pro combi - pro,

Grant vortex pro combi - pro,

£1790.00
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Ideal logic combi 30 - logic, (

Ideal logic combi 30 - logic, (

£52.70
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Ideal logic combi 30 - 24, 35

Ideal logic combi 30 - 24, 35

£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 - 25,

Main eco compact combi 30 - 25,

£149.99
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Baxi neta tec combi - baxi, ga

Baxi neta tec combi - baxi, ga

£125.99
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175569 ideal logic combi - ideal,

175569 ideal logic combi - ideal,

£54.99
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Baxi combi 80eco maxflue - 80eco,

Baxi combi 80eco maxflue - 80eco,

£19.99
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Ideal logic combi - combi, 24/30/35

Ideal logic combi - combi, 24/30/35

£28.49
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Ideal logic combi 30 35 - ideal, (+)

Ideal logic combi 30 35 - ideal, (+)

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

Baxi combi 105e 105he - combi, &

£24.99
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Genuine ideal logic - genuine,

Genuine ideal logic - genuine,

£10.99
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Main eco compact - main, &

Main eco compact - main, &

£70.00
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Ideal logic combi esp1 - 24, 30

Ideal logic combi esp1 - 24, 30

£186.99
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Deal logic combi 30 35 - combi, 24

Deal logic combi 30 35 - combi, 24

£62.70
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Worcester greenstar r30 - 30,

Worcester greenstar r30 - 30,

£178.99
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Worcester greenstar combi - worcester,

Worcester greenstar combi - worcester,

£138.99
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Baxi duotec combi 33 40 - 24, 28

Baxi duotec combi 33 40 - 24, 28

£29.75
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Ideal logic combi flow - ,

Ideal logic combi flow - ,

£12.94
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Baxi combi - 2, x

Baxi combi - 2, x

£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 - ideal,

Genuine ideal 175576 logic - ideal,

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

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

£79.99
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Worcester camray combi 90a - worcester, /

Worcester camray combi 90a - worcester, /

£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 - tec, he

Baxi duo tec combi - tec, he

£34.99
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Ideal pro combi - ideal,

Ideal pro combi - ideal,

£21.50
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Truma combi boiler system - boiler,

Truma combi boiler system - boiler,

£644.20
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Genuine ideal logic - logic+, combi

Genuine ideal logic - logic+, combi

£59.99
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Baxi neta tec combi ga - baxi,

Baxi neta tec combi ga - baxi,

£124.99
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Ideal logic combi 30 - ideal,

Ideal logic combi 30 - ideal,

£20.00
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Cheap brand new vaillant erp - cheap,

Cheap brand new vaillant erp - cheap,

£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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