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Vaillant eco tec sustain r1 - 28,

Vaillant eco tec sustain r1 - 28,

£516.70
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Ideal independent combi - combi, 30

Ideal independent combi - combi, 30

£149.42
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Potterton titanium combi - potterton,

Potterton titanium combi - potterton,

£260.70
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Ideal combi boiler - boiler, independent

Ideal combi boiler - boiler, independent

£260.70
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Valiant ecotec plus boiler - ecotec,

Valiant ecotec plus boiler - ecotec,

£94.29
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Ideal boilers kit bcc - boilers, 30

Ideal boilers kit bcc - boilers, 30

£21.50
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Ideal boilers kit - ideal,

Ideal boilers kit - ideal,

£21.50
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Ideal boilers kit - boilers, combi

Ideal boilers kit - boilers, combi

£21.50
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Ideal boilers kit bcc - boilers, 30

Ideal boilers kit bcc - boilers, 30

£21.50
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Worcester heatslave 25kw - worcester,

Worcester heatslave 25kw - worcester,

£1950.00
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Ideal boilers kit bcc - ideal, kit-bcc

Ideal boilers kit bcc - ideal, kit-bcc

£21.50
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Estrom electric combi - electric,

Estrom electric combi - electric,

£542.20
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Hive thermostat mini slt6 - slt6, +

Hive thermostat mini slt6 - slt6, +

£59.95
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Ideal combi boiler 24kw - ideal,

Ideal combi boiler 24kw - ideal,

£307.50
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Baxi duotec 28kw condensing - baxi,

Baxi duotec 28kw condensing - baxi,

£252.00
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Chaffoteaux britony combi - combi, se

Chaffoteaux britony combi - combi, se

£52.70
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Hive thermostat for - hive,

Hive thermostat for - hive,

£86.45
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Hive single channel receiver - hive,

Hive single channel receiver - hive,

£22.99
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Main combi 30eco 25 - main,

Main combi 30eco 25 - main,

£22.99
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Baxi combi 80e eco 80 - 80,

Baxi combi 80e eco 80 - 80,

£9.99
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Baxi platinum combi - 33, &

Baxi platinum combi - 33, &

£12.99
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Baxi combi 80e eco - combi,

Baxi combi 80e eco - combi,

£64.99
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Genuine worcester greenstar - genuine,

Genuine worcester greenstar - genuine,

£66.99
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Baxi combi 624 630 - combi,

Baxi combi 624 630 - combi,

£115.00
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Grant vortex pro - vortex, 36kw

Grant vortex pro - vortex, 36kw

£1790.00
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Baxi duotec 24hea - duotec, 28hea,40he

Baxi duotec 24hea - duotec, 28hea,40he

£9.99
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Worcester greenstar combi - worcester, 25

Worcester greenstar combi - worcester, 25

£34.99
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Ideal logic combi 30kw boiler - combi,

Ideal logic combi 30kw boiler - combi,

£54.99
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Ideal combi boiler fan - 30,

Ideal combi boiler fan - 30,

£72.99
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Worcester bosch greenstar 30i - greenstar,

Worcester bosch greenstar 30i - greenstar,

£125.50
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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 greenstar 25i - greenstar, 30i

Worcester greenstar 25i - greenstar, 30i

£45.99
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Ideal logic plus - plus, 24

Ideal logic plus - plus, 24

£50.99
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Main combi eco 30 - 30,

Main combi eco 30 - 30,

£43.69
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Ariston combi evo - e-combi, he

Ariston combi evo - e-combi, he

£42.99
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Ariston combi clas - e-combi,

Ariston combi clas - e-combi,

£44.99
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Ideal logic combi - combi, 30

Ideal logic combi - combi, 30

£34.99
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Baxi combi 80e 105 he - 80e,

Baxi combi 80e 105 he - 80e,

£27.36
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Ideal logic combi - ideal, 24

Ideal logic combi - ideal, 24

£49.99
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Main combi eco 25 30 - 30,

Main combi eco 25 30 - 30,

£21.35
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Baxi combi instant - combi,

Baxi combi instant - combi,

£22.00
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Sangamo rstat5 wireless - sangamo,

Sangamo rstat5 wireless - sangamo,

£19.99
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Main eco compact - compact, combi

Main eco compact - compact, combi

£149.99
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Baxi duotec combi 33 40 - 24,

Baxi duotec combi 33 40 - 24,

£29.75
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Baxi main potterton - baxi,, main,

Baxi main potterton - baxi,, main,

£26.99
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Main combi eco 30 - eco,

Main combi eco 30 - eco,

£24.99
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Viessman vitodense 100 wb1b - viessman,

Viessman vitodense 100 wb1b - viessman,

£100.00
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Baxi duo tec - duo, 24

Baxi duo tec - duo, 24

£23.99
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Riello rdb3 oil burner l - rdb3,

Riello rdb3 oil burner l - rdb3,

£52.11
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Ravenheat combi 100 - &, 130

Ravenheat combi 100 - &, 130

£34.99
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Baxi combi 80e 105e - baxi, 105he

Baxi combi 80e 105e - baxi, 105he

£5.00
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Combi boiler heat exchanger - boiler,

Combi boiler heat exchanger - boiler,

£10.80
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Ferroli one 25c combi - t-one, he

Ferroli one 25c combi - t-one, he

£104.70
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Hive heating control - heating,

Hive heating control - heating,

£50.00
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Baxi main potterton combi - main,,

Baxi main potterton combi - main,,

£24.99
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Main combi eco 25 30 - 30, &

Main combi eco 25 30 - 30, &

£24.98
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Worcester greenstar he - 30,

Worcester greenstar he - 30,

£78.99
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Baxi combi 105e - baxi,

Baxi combi 105e - baxi,

£24.99
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Main combi 30eco - 25,30eco, eco

Main combi 30eco - 25,30eco, eco

£24.99
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Viessmann vitodens 100 wb1a - vitodens,

Viessmann vitodens 100 wb1a - vitodens,

£26.70
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Used worcester greenstar 25i - greenstar,

Used worcester greenstar 25i - greenstar,

£24.99
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Baxi combi 105e 80e instant - 105e,, 80e,

Baxi combi 105e 80e instant - 105e,, 80e,

£7.99
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Ariston clas one - one, &

Ariston clas one - one, &

£44.99
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Baxi duo tec - baxi, duo-tec

Baxi duo tec - baxi, duo-tec

£21.50
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Ideal logic 30 - 24,

Ideal logic 30 - 24,

£25.99
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Ideal 177544 logic combi - ideal,

Ideal 177544 logic combi - ideal,

£74.24
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Baxi platinum combi - platinum,

Baxi platinum combi - platinum,

£89.99
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Baxi duo tec boiler fan - tec,

Baxi duo tec boiler fan - tec,

£14.01
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Ideal max combi - max,

Ideal max combi - max,

£37.00
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Ideal logic plus combi - logic,

Ideal logic plus combi - logic,

£44.58
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Ideal 175555 pump head - 175555, for

Ideal 175555 pump head - 175555, for

£25.69
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Ideal logic combi 30 35 - 24,

Ideal logic combi 30 35 - 24,

£10.99
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Baxi duotec combi 24 28 - 2,

Baxi duotec combi 24 28 - 2,

£24.99
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Ideal logic combi flow - ideal,

Ideal logic combi flow - ideal,

£12.94
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Used potterton promax combi - used,

Used potterton promax combi - used,

£27.99
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Potterton performa main - performa, 28,

Potterton performa main - performa, 28,

£22.99
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Worcester 871860004a0 - worcester,

Worcester 871860004a0 - worcester,

£54.99
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Worcester greenstar 4000 - worcester,

Worcester greenstar 4000 - worcester,

£76.79
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Worcester heatslave 32kw - worcester, 25/32kw

Worcester heatslave 32kw - worcester, 25/32kw

£2400.00
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Baxi combi - 2,

Baxi combi - 2,

£9.99
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Ideal logic plus - &, 24

Ideal logic plus - &, 24

£10.68
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Honeywell cm727 - cm727, rf

Honeywell cm727 - cm727, rf

£43.98
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Ideal combi logic - ideal,

Ideal combi logic - ideal,

£35.19
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Viessmann 100 wb1c - 100, 30kw

Viessmann 100 wb1c - 100, 30kw

£49.99
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Ideal logic combi - ideal, 24

Ideal logic combi - ideal, 24

£19.99
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Worcester greenstar 4000 - worcester, 30

Worcester greenstar 4000 - worcester, 30

£18.04
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Grant vortex condensing combi - condensing,

Grant vortex condensing combi - condensing,

£1950.00
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Worcester greenstar heatslave - greenstar,

Worcester greenstar heatslave - greenstar,

£2150.45
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Worcester greenstar combi - combi, 25

Worcester greenstar combi - combi, 25

£51.99
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Baxi neta tec - baxi, neta-tec

Baxi neta tec - baxi, neta-tec

£49.99
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Ideal icombi procombi - icombi,

Ideal icombi procombi - icombi,

£79.98
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Ideal logic combi - ideal, 24-hour

Ideal logic combi - ideal, 24-hour

£27.99
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175569 ideal logic - ideal, combi

175569 ideal logic - ideal, combi

£57.97
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Baxi combi 105e - baxi,

Baxi combi 105e - baxi,

£12.94
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Vaillant combi boiler ecofit - boiler,

Vaillant combi boiler ecofit - boiler,

£542.20
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Glow worm ultimate - ultimate, 30c

Glow worm ultimate - ultimate, 30c

£312.70
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📊96 listings · from £5 · avg £175.15

Browse 96 used combi boilers listings currently in our index. Prices range from £5 to £2400, with an average of £175.15. 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, while premium listings can reach £2400 — giving you a wide budget spread to work with. The average price of £175.15 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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