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Gas combi boilers

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Home / Water Heating & Filtration / Gas combi boilers refurbished & used for sale | For Sale UK
New intergas xtreme 36kw - new,

New intergas xtreme 36kw - new,

£1299.00
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Electric combi boiler 14kw

Electric combi boiler 14kw

£771.70
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Ideal diverter valve - ideal,

Ideal diverter valve - ideal,

£18.40
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Vaillant ecotec plus 25kw - vaillant,

Vaillant ecotec plus 25kw - vaillant,

£720.70
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Ideal 177530 plate heat - ideal,

Ideal 177530 plate heat - ideal,

£40.00
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Main combi eco - eco, &

Main combi eco - eco, &

£26.95
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Worcester greenstar 8000 - worcester, 8000+

Worcester greenstar 8000 - worcester, 8000+

£1740.70
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Baxi main potterton ntc sensor - baxi,

Baxi main potterton ntc sensor - baxi,

£6.52
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Worcester greenstar combi - worcester,

Worcester greenstar combi - worcester,

£52.39
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Main combi eco 30 - combi,

Main combi eco 30 - combi,

£40.65
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Ideal vogue combi gen - vogue, gen.

Ideal vogue combi gen - vogue, gen.

£69.99
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Hermann micraplus condens - micraplus, 30

Hermann micraplus condens - micraplus, 30

£525.00
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Baxi combi erp way - 24,

Baxi combi erp way - 24,

£29.99
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Main combi eco - combi, 25

Main combi eco - combi, 25

£24.85
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Ideal logic 30kw combi boiler - ideal,

Ideal logic 30kw combi boiler - ideal,

£745.00
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Combi boiler fitted 400 - boiler,

Combi boiler fitted 400 - boiler,

£400.00
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Worcester greenstar 2000 - worcester, 25kw

Worcester greenstar 2000 - worcester, 25kw

£995.08
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Baxi 228 combi - combi, boiler

Baxi 228 combi - combi, boiler

£167.10
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Brand new baxi - brand, tec

Brand new baxi - brand, tec

£59.99
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Baxi platinum combi - 24, 33

Baxi platinum combi - 24, 33

£12.99
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Worcester greenstar combi - worcester,

Worcester greenstar combi - worcester,

£55.99
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Bosch worcester gas - gas, valve

Bosch worcester gas - gas, valve

£37.10
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Smart thermostat for - smart,

Smart thermostat for - smart,

£38.13
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Baxi combi 80e - combi, 80eco

Baxi combi 80e - combi, 80eco

£10.45
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Ideal logic combi 24 30 - combi,

Ideal logic combi 24 30 - combi,

£61.00
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Baxi duo tec combi - baxi,

Baxi duo tec combi - baxi,

£37.10
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Vaillant ecofit pure 825 - vaillant, combi

Vaillant ecofit pure 825 - vaillant, combi

£1103.20
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Ideal combi esprit eco - combi, 24

Ideal combi esprit eco - combi, 24

£28.66
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Worcester bosch greenstar - bosch,

Worcester bosch greenstar - bosch,

£998.00
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Worcester bosch greenstar - bosch,

Worcester bosch greenstar - bosch,

£999.99
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Baxi duotec combi - 28, 33

Baxi duotec combi - 28, 33

£38.30
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Brand new ideal logic - brand, plus

Brand new ideal logic - brand, plus

£69.99
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Ideal logic 35 combi - ideal,

Ideal logic 35 combi - ideal,

£16.95
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Main eco compact combi - compact,

Main eco compact combi - compact,

£22.71
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Wifi smart thermostat for - wifi,

Wifi smart thermostat for - wifi,

£19.47
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Baxi duo tec combi 33 - 24,

Baxi duo tec combi 33 - 24,

£11.95
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Ideal logic combi - ideal,

Ideal logic combi - ideal,

£21.35
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Ideal 175571 logic - 175571, +

Ideal 175571 logic - 175571, +

£109.99
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Baxi supply fitted from - baxi, &

Baxi supply fitted from - baxi, &

£999.00
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Brand new baxi duo - baxi, tec

Brand new baxi duo - baxi, tec

£44.99
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Baxi combi instant 105 - baxi,

Baxi combi instant 105 - baxi,

£13.99
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Ideal logic combi - (+),

Ideal logic combi - (+),

£49.98
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Worcester greenstar combi 25 - greenstar,

Worcester greenstar combi 25 - greenstar,

£14.99
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Biasi rinnova 25kw 30kw - rinnova, 35kw

Biasi rinnova 25kw 30kw - rinnova, 35kw

£500.00
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Ideal logic plus combi - combi, 30

Ideal logic plus combi - combi, 30

£29.95
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Main eco compact combi - eco, 30

Main eco compact combi - eco, 30

£22.71
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Potterton promax combi 28 - potterton,

Potterton promax combi 28 - potterton,

£14.75
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Navien ncb500 combi boiler - navien,

Navien ncb500 combi boiler - navien,

£800.00
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Main combi eco 25 30 - 25,

Main combi eco 25 30 - 25,

£21.35
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Main combi 24he 30he - 24he, hot

Main combi 24he 30he - 24he, hot

£10.45
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Ideal logic combi flow - combi, 30

Ideal logic combi flow - combi, 30

£11.95
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Main eco compact combi - main,

Main eco compact combi - main,

£12.45
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Baxi 818 824 825 - /,

Baxi 818 824 825 - /,

£22.71
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Main combi eco elite - 30,

Main combi eco elite - 30,

£13.99
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Vaillant ecofit pure - ecofit,

Vaillant ecofit pure - ecofit,

£1499.99
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Ideal logic combi - logic, +

Ideal logic combi - logic, +

£12.07
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Ideal logic plus combi 24 - ideal,

Ideal logic plus combi 24 - ideal,

£49.50
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Ideal logic plus combi - logic, 30

Ideal logic plus combi - logic, 30

£58.50
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Worcester 87154072960

Worcester 87154072960

£54.44
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Potterton promax combi 28 - promax, 24

Potterton promax combi 28 - promax, 24

£12.95
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Baxi duotec flow turbine - baxi,

Baxi duotec flow turbine - baxi,

£12.45
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Worcester greenstar combi - worcester,

Worcester greenstar combi - worcester,

£34.99
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Ideal logic combi 30 - logic, 24

Ideal logic combi 30 - logic, 24

£37.99
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Main combi hot water diaphragm - combi,

Main combi hot water diaphragm - combi,

£10.45
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Ideal logic plus - ideal,

Ideal logic plus - ideal,

£43.99
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Baxi combi 80e - baxi,

Baxi combi 80e - baxi,

£10.45
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Baxi platinum combi 33 - 28,

Baxi platinum combi 33 - 28,

£12.95
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Ideal logic plus combi - logic, c30

Ideal logic plus combi - logic, c30

£69.99
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Ideal logic plus combi 30 - ideal,

Ideal logic plus combi 30 - ideal,

£8.95
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Potterton promax combi 28 - potterton,

Potterton promax combi 28 - potterton,

£38.30
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Main combi compact - compact, diverter

Main combi compact - compact, diverter

£27.50
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Worcester greenstar 30 - 25,

Worcester greenstar 30 - 25,

£109.99
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Main eco compact combi - eco, 25

Main eco compact combi - eco, 25

£113.22
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Main eco compact combi - eco, 30

Main eco compact combi - eco, 30

£60.00
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Ideal logic plus combi - plus, c30

Ideal logic plus combi - plus, c30

£69.95
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Baxi combi instant 80e 80he - 80e,

Baxi combi instant 80e 80he - 80e,

£12.99
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Main eco compact - 25, &

Main eco compact - 25, &

£23.90
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Ideal logic combi - ideal, 24/30/35

Ideal logic combi - ideal, 24/30/35

£28.49
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Main combi 25eco elite - combi, 30eco

Main combi 25eco elite - combi, 30eco

£3.29
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Baxi duo tec 24he - 28he, 33he

Baxi duo tec 24he - 28he, 33he

£8.99
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Ideal boilers dhw flow - ideal,

Ideal boilers dhw flow - ideal,

£14.99
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Main combi 24se 24he - 24he, 30he

Main combi 24se 24he - 24he, 30he

£10.45
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Ideal logic plus combi 24 - combi, 30

Ideal logic plus combi 24 - combi, 30

£49.99
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Potterton promax combi he - combi, 28

Potterton promax combi he - combi, 28

£13.99
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Ferroli optima hawk combi - ferroli,

Ferroli optima hawk combi - ferroli,

£24.99
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Baxi combi 80e - baxi,

Baxi combi 80e - baxi,

£11.95
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Worcester greenstar 30 - greenstar, 25

Worcester greenstar 30 - greenstar, 25

£33.99
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Ariston combi one - one, boiler

Ariston combi one - one, boiler

£669.70
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Brand new ideal logic - brand,

Brand new ideal logic - brand,

£34.95
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Brand new ideal logic plus - new,

Brand new ideal logic plus - new,

£69.99
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Baxi combi 80e eco - baxi, 80

Baxi combi 80e eco - baxi, 80

£7.95
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Ideal logic combi - logic, c

Ideal logic combi - logic, c

£76.18
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Baxi 624 630 - 636, combi

Baxi 624 630 - 636, combi

£22.71
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Ariston clas evo he - ariston,

Ariston clas evo he - ariston,

£79.50
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Worcester bosch greenstar - worcester,

Worcester bosch greenstar - worcester,

£999.00
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Baxi 800 25kw 825 heat - baxi,

Baxi 800 25kw 825 heat - baxi,

£260.70
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📊96 listings · from £3.29 · avg £196.02
⚠️ These listings were last updated more than 20 days ago. Search for fresh listings

Browse 96 gas combi boilers listings currently in our index. Prices range from £3.29 to £1740.7, with an average of £196.02. 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 gas combi boilers →

Try this: ideal isar pcb | baxi boiler parts | worcester 24cdi | worcester combi | immersion heater timer | gas water boiler | baxi diverter valves | hand wash heater | combi oil boiler | magnaclean 22mm

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Everything you need to know about gas combi boilers

Whether you are looking for a brand-new or second-hand gas 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 £3.29, while premium listings can reach £1740.7 — giving you a wide budget spread to work with. The average price of £196.02 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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