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Potterton promax ultra central - potterton,
£450.00
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Ideal logic 30kw combi boiler - logic,
£749.99
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Ideal combi boiler 24kw - boiler,
£307.50
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Vokera easi heat 29c - easi-heat, i
£669.99
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Worcester bosch greenstar 25si - worcester,
£63.10
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Estrom electric combi boiler - estrom,
£567.70
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Ariston combi evo 30 pcb - evo, 24
£125.15
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Navien blue flame 36kw oil - flame,
£867.98
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Truma combi boiler - boiler, (
£516.70
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Combisave thermostatic hot - -,
£50.72
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Ideal 175529 dhw pack fits - –,
£27.72
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Vaillant eco tec sustain - vaillant,
£516.70
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Hive thermostat opentherm - thermostat,
£39.99
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Worcester bosch 1000 30kw - bosch,
£799.99
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Ideal halo combi - rf,
£125.00
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Ideal logic combi 30kw - logic,
£1327.60
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Ariston combi one boiler - ariston,
£669.70
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Ideal 175569 genuine - 175569,
£57.99
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Baxi combi 624 630 - 624, 830
£66.00
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Intergas rapid combi boiler - rapid,
£735.00
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Ideal logic combi boiler - 30,
£47.50
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Baxi 624 630 - /, 636
£23.90
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Electric combi boiler - , 14kw
£975.70
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Potterton assure combi - assure, 25
£66.00
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Worcester greenstar combi - worcester, 25
£33.49
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Ideal logic combi 35 - logic,
£21.35
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Baxi 818 824 - 818, &
£70.00
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Baxi duo tec combi - he, &
£46.00
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Vokera easi heat - vokera, 25c
£599.99
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Worcester bosch greenstar - worcester,
£998.00
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Broag gas combi block - broag,
£193.10
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Ideal spirit 30kw combi - e-spirit,
£750.00
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Brand new boxed hive - new,
£79.99
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Worcester greenstar 30i combi - greenstar,
£53.99
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Baxi 624 630 - baxi, combi
£23.90
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Main eco compact combi - eco,
£23.90
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Ideal logic combi 24 30 - +, c
£80.19
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Ideal logic combi pcb - logic,
£39.15
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Ideal logic combi 30 - 24, 35
£59.99
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Baxi combi boiler - 400, 600
£999.00
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Ideal vogue max combi - combi, 32
£50.00
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Baxi combi 80e - combi,
£34.80
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Baxi combi multifit - combi,
£59.34
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Ideal logic combi c24 c30 - +,
£62.80
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Ideal logic combi - logic, 24
£9.85
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Ideal logic combi 30 35 - ideal, 24/30/35
£19.99
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Hive thermostat mini opentherm - thermostat,
£59.99
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Potterton combi boiler - combi,
£23.90
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Ideal logic combi 35 - logic,
£10.99
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Ideal 175569 logic combi 24 - 175569,
£63.99
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Ideal logic combi2 c30 - ideal,
£45.00
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Main combi 24he - combi, &
£37.99
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Ideal logic combi 30 - logic,
£19.37
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Potterton 720878201 now
£83.66
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Mira mode dual shower rear - shower, fed
£455.50
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Baxi duotec combi 33 - baxi, 28
£39.66
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Worcester greenstar combi - greenstar, 25
£55.20
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Ideal logic combi c30 - ideal, flow
£31.38
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Ideal logic 35 combi - 24, 30
£18.95
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Ideal logic plus - ideal,
£30.73
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Ideal logic combi - ideal, 24
£55.00
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Worcester bosch filling keys - worcester,
£7.95
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Worcester greenstar combi - combi, 25
£38.79
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Ideal combi esprit - 30, &
£90.15
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Worcester bosch 36cdi - bosch, gs
£924.70
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Ariston combi evo 30 38 - ariston,
£106.88
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Ideal logic combi 35 - ideal, &
£12.75
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Baxi duo tec combi he - combi,
£25.00
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Vaillant ecotec sustain r1 - vaillant,
£567.70
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Main eco compact system - compact, 15
£66.00
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Worcester greenstar erp 30i - greenstar,
£41.99
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Ideal logic combi 35 - logic, 24
£9.99
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Genuine ideal logic combi c30 - genuine,
£63.09
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Ideal logic combi 35 - ideal, 30
£8.95
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Ariston combi evo eu - ariston, e-combi
£60.50
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Ariston combi evo 24ff - e-combi, 30ff
£125.40
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Ferroli 3980096 hawk - ferroli,
£32.99
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Main combi 30he - &, system
£30.00
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Ideal logic combi 30 - combi, 24
£61.56
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Worcester greenstar combi - combi, mt10
£37.10
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Brand new ideal - , plus
£69.99
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Combi bar pressure relief - pressure,
£5.98
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Ariston combi one 30 - e, &
£60.69
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Ideal logic combi - logic, +
£12.07
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Ideal logic 35 e - 24,
£16.70
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Main combi eco 25 - 25,
£34.80
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Baxi combi 624 630 636 - 630,
£62.70
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Combi pressure gauge - pressure,
£9.73
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Baxi combi microswitch - baxi,
£13.47
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Baxi 830 836 combi boiler - 830,
£23.90
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Vaillant ecofit pure 825 830 - ecofit,
£52.44
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Ideal logic combi 30 35 - ideal,
£45.99
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Ideal 175555 pump head - ideal,
£34.70
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Morco gb24 lpg 24kw - morco,
£1125.95
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Worcester–Baxi–Vaillant–
£399.00
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Combi boiler fitted 400 - boiler,
£400.00
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Looking for more combi boilers?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 combi boilers listings currently in our index. Prices range from £5.98 to £1327.6, with an average of £206.95. 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 combi boilers →
Try this: oil boiler external | wilo pump | 2kw water heater | 3kw water heater | baxi solo parts | baxi 105e | baxi combi 80e | baxi combi 80 eco | biasi 24s | biasi riva
Whether you are looking for a brand-new or second-hand 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 £5.98, while premium listings can reach £1327.6 — giving you a wide budget spread to work with. The average price of £206.95 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.