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Used combi boilers for sale on largest auction and classifieds sites

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Vaillant eco tec - tec, r1

Vaillant eco tec - tec, r1

£516.70
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Ideal independent combi - ideal, 30

Ideal independent combi - ideal, 30

£149.42
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Potterton titanium combi - potterton,

Potterton titanium combi - potterton,

£260.70
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Ideal combi boiler independent - combi,

Ideal combi boiler independent - combi,

£260.70
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Valiant ecotec plus boiler - valiant,

Valiant ecotec plus boiler - valiant,

£94.29
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Ideal boilers kit - kit-bcc, combi

Ideal boilers kit - kit-bcc, combi

£21.50
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Ideal boilers kit bcc combi - boilers, 30

Ideal boilers kit bcc combi - boilers, 30

£21.50
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Ideal boilers kit - ideal, 30

Ideal boilers kit - ideal, 30

£21.50
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Ideal boilers kit - boilers, combi

Ideal boilers kit - boilers, combi

£21.50
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Worcester heatslave 25kw - worcester, 2

Worcester heatslave 25kw - worcester, 2

£1950.00
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Ideal boilers kit - ideal, combi

Ideal boilers kit - ideal, combi

£21.50
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Estrom electric combi - combi, boiler

Estrom electric combi - combi, boiler

£542.20
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Hive thermostat mini slt6 - thermostat,

Hive thermostat mini slt6 - thermostat,

£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 - chaffoteaux, se

Chaffoteaux britony combi - chaffoteaux, se

£52.70
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Hive thermostat for - hive,

Hive thermostat for - hive,

£86.45
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Hive single channel - hive,

Hive single channel - hive,

£22.99
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Main combi 30eco 25 eco - combi, 25,30eco

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

£22.99
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Baxi combi 80e - 80, eco

Baxi combi 80e - 80, eco

£9.99
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Baxi platinum combi - baxi,

Baxi platinum combi - baxi,

£12.99
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Baxi combi 80e eco 105e - combi,

Baxi combi 80e eco 105e - combi,

£64.99
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Genuine worcester greenstar - worcester,

Genuine worcester greenstar - worcester,

£66.99
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Baxi combi 624 630 - 624, 825

Baxi combi 624 630 - 624, 825

£115.00
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Grant vortex pro - vortex,

Grant vortex pro - vortex,

£1790.00
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Baxi duotec 24hea - baxi,

Baxi duotec 24hea - baxi,

£9.99
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Worcester greenstar combi - greenstar,

Worcester greenstar combi - greenstar,

£34.99
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Ideal logic combi - combi, boiler

Ideal logic combi - combi, boiler

£54.99
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Ideal combi boiler fan - ideal, 24

Ideal combi boiler fan - ideal, 24

£72.99
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Worcester bosch greenstar 30i - bosch,

Worcester bosch greenstar 30i - bosch,

£125.50
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Baxi combi 24he - combi, 24he,105e,

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

£79.99
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Worcester greenstar 25i 30i - worcester,

Worcester greenstar 25i 30i - worcester,

£45.99
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Ideal logic plus - ideal, 24

Ideal logic plus - ideal, 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 - ariston,

Ariston combi evo - ariston,

£42.99
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Ariston combi clas - clas, he

Ariston combi clas - clas, he

£44.99
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Ideal logic combi - logic,

Ideal logic combi - logic,

£34.99
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Baxi combi 80e - 80, he

Baxi combi 80e - 80, he

£27.36
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Ideal logic combi - ideal, 35

Ideal logic combi - ideal, 35

£49.99
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Main combi eco - 25, 30

Main combi eco - 25, 30

£21.35
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Baxi combi instant 80e - baxi, 80he

Baxi combi instant 80e - baxi, 80he

£22.00
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Sangamo rstat5 wireless - sangamo, rstat5-rf

Sangamo rstat5 wireless - sangamo, rstat5-rf

£19.99
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Main eco compact combi 30 - compact,

Main eco compact combi 30 - compact,

£149.99
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Baxi duotec combi 33 - combi,

Baxi duotec combi 33 - combi,

£29.75
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Baxi main potterton combi - baxi,,

Baxi main potterton combi - baxi,,

£26.99
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Main combi eco 30 - main, &

Main combi eco 30 - main, &

£24.99
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Viessman vitodense 100 - viessman, 100-w

Viessman vitodense 100 - viessman, 100-w

£100.00
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Baxi duo tec combi - baxi, 28

Baxi duo tec combi - baxi, 28

£23.99
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Riello rdb3 oil burner l - burner, r.b.l

Riello rdb3 oil burner l - burner, r.b.l

£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,

Baxi combi 80e 105e - baxi,

£5.00
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Combi boiler heat exchanger - combi,

Combi boiler heat exchanger - combi,

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

Ferroli one 25c combi - ferroli, t-one

£104.70
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Hive heating control combi - heating,

Hive heating control combi - heating,

£50.00
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Baxi main potterton combi - baxi,,

Baxi main potterton combi - baxi,,

£24.99
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Main combi eco 25 30 - 25,

Main combi eco 25 30 - 25,

£24.98
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Worcester greenstar he - greenstar,

Worcester greenstar he - greenstar,

£78.99
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Baxi combi 105e 105he - combi, &

Baxi combi 105e 105he - combi, &

£24.99
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Main combi 30eco - main, eco

Main combi 30eco - main, eco

£24.99
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Viessmann vitodens 100 wb1a - viessmann,

Viessmann vitodens 100 wb1a - viessmann,

£26.70
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Used worcester greenstar - worcester,

Used worcester greenstar - worcester,

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

Baxi combi 105e 80e instant - combi,

£7.99
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Ariston clas one - 24, &

Ariston clas one - 24, &

£44.99
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Baxi duo tec 40 - baxi, duo-tec

Baxi duo tec 40 - baxi, duo-tec

£21.50
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Ideal logic 30 35 - logic, +

Ideal logic 30 35 - logic, +

£25.99
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Ideal 177544 logic combi - logic,

Ideal 177544 logic combi - logic,

£74.24
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Baxi platinum combi erp 28 - erp, 24

Baxi platinum combi erp 28 - erp, 24

£89.99
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Baxi duo tec - baxi,

Baxi duo tec - baxi,

£14.01
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Ideal max combi - combi, 26

Ideal max combi - combi, 26

£37.00
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Ideal logic plus - ideal,

Ideal logic plus - ideal,

£44.58
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Ideal 175555 pump head for - ideal,

Ideal 175555 pump head for - ideal,

£25.69
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Ideal logic combi 30 - logic, 35

Ideal logic combi 30 - logic, 35

£10.99
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Baxi duotec combi - 2, ga

Baxi duotec combi - 2, ga

£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 - promax, combi

Used potterton promax - promax, combi

£27.99
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Potterton performa main - 28,,

Potterton performa main - 28,,

£22.99
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Worcester 871860004a0 - worcester,

Worcester 871860004a0 - worcester,

£54.99
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Worcester greenstar 4000 - greenstar, 30

Worcester greenstar 4000 - greenstar, 30

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

Worcester heatslave 32kw - heatslave, 25/32kw

£2400.00
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Baxi combi - baxi,

Baxi combi - baxi,

£9.99
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Ideal logic plus combi - logic, &

Ideal logic plus combi - logic, &

£10.68
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Honeywell cm727 - cm727, rf

Honeywell cm727 - cm727, rf

£43.98
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Ideal combi logic - ideal, 24,

Ideal combi logic - ideal, 24,

£35.19
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Viessmann 100 wb1c 26kw - viessmann,

Viessmann 100 wb1c 26kw - viessmann,

£49.99
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Ideal logic combi - logic+, 24

Ideal logic combi - logic+, 24

£19.99
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Worcester greenstar 4000 - greenstar,

Worcester greenstar 4000 - greenstar,

£18.04
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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,

£2150.45
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Worcester greenstar combi - greenstar,

Worcester greenstar combi - greenstar,

£51.99
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Baxi neta tec - neta-tec, 28

Baxi neta tec - neta-tec, 28

£49.99
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Ideal icombi procombi - ideal, /

Ideal icombi procombi - ideal, /

£79.98
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Ideal logic combi hour - ideal,

Ideal logic combi hour - ideal,

£27.99
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175569 ideal logic - logic, combi

175569 ideal logic - logic, combi

£57.97
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Baxi combi 105e gas - baxi,

Baxi combi 105e gas - baxi,

£12.94
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Vaillant combi boiler - combi,

Vaillant combi boiler - combi,

£542.20
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Glow worm ultimate 30c gas - glow-worm,

Glow worm ultimate 30c gas - glow-worm,

£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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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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