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Main boilers for sale on largest auction and classifieds sites

Home / Water Heating & Filtration / Main boilers refurbished & used for sale | For Sale UK
Worcester bosch greenstar - worcester,

Worcester bosch greenstar - worcester,

£37.10
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Main eco compact system - main,

Main eco compact system - main,

£22.48
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Main combi eco - &,

Main combi eco - &,

£49.90
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Main combi eco 30 - main,

Main combi eco 30 - main,

£33.70
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Glow worm boiler - glow-worm, syms17.0

Glow worm boiler - glow-worm, syms17.0

£52.18
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Halstead boiler main heat - boiler,

Halstead boiler main heat - boiler,

£39.00
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Baxi potterton solo - /,

Baxi potterton solo - /,

£104.70
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Worcester bosch main heat - main,

Worcester bosch main heat - main,

£115.10
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Main 5132454 12l - 5132454,

Main 5132454 12l - 5132454,

£42.63
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Baxi main 100mm - baxi, standard

Baxi main 100mm - baxi, standard

£144.99
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Main eco compact - main, 18

Main eco compact - main, 18

£66.00
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Vaillant ecotec pro - pro, 24

Vaillant ecotec pro - pro, 24

£33.90
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Main combi 30eco 25 - 25, eco

Main combi 30eco 25 - 25, eco

£22.99
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Main 5114710 hydraulic - 5114710,

Main 5114710 hydraulic - 5114710,

£44.53
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Baxi boiler potterton - boiler,,

Baxi boiler potterton - boiler,,

£62.06
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Main eco elite - eco,

Main eco elite - eco,

£33.65
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Baxi 7663535 dhw flow - baxi,

Baxi 7663535 dhw flow - baxi,

£16.99
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Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

£58.99
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Vaillant ecotec plus boiler - vaillant,

Vaillant ecotec plus boiler - vaillant,

£79.99
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Main combi eco - eco,

Main combi eco - eco,

£42.50
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Vaillant ecotec pro plus - vaillant, pro/plus

Vaillant ecotec pro plus - vaillant, pro/plus

£79.99
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Main eco compact - main, expansion

Main eco compact - main, expansion

£82.99
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Main combi eco - 25, &

Main combi eco - 25, &

£21.95
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Main combi eco - main,

Main combi eco - main,

£24.99
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5114762 silicone pipe baxi - 5114762,

5114762 silicone pipe baxi - 5114762,

£14.84
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Main combi 24he - 24,, 24he,

Main combi 24he - 24,, 24he,

£2.78
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Main combi 30he system 18he - main,

Main combi 30he system 18he - main,

£30.00
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Main combi eco - 25, &

Main combi eco - 25, &

£34.80
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Main combi eco - main, 30

Main combi eco - main, 30

£59.50
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Ideal 175615 main heat - main,

Ideal 175615 main heat - main,

£149.99
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Glowworm main heat exchanger - glowworm,

Glowworm main heat exchanger - glowworm,

£260.70
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Worcester 871860492a0 main - worcester,

Worcester 871860492a0 main - worcester,

£175.00
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Main combi 30he - main, &

Main combi 30he - main, &

£34.80
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Baxi potterton alpha main - potterton,

Baxi potterton alpha main - potterton,

£4.30
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Main eco compact 30 combi - eco,

Main eco compact 30 combi - eco,

£23.95
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Vaillant ecofit main heat - ecofit,

Vaillant ecofit main heat - ecofit,

£208.70
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Main combi 24se 24he - 30he, dhw

Main combi 24se 24he - 30he, dhw

£3.45
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Main service kit - service,

Main service kit - service,

£63.94
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Main eco compact system - compact, 18

Main eco compact system - compact, 18

£59.99
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Main combi eco - eco, &

Main combi eco - eco, &

£40.65
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Main combi eco 30 - main,

Main combi eco 30 - main,

£58.06
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Main eco compact combi - compact,

Main eco compact combi - compact,

£23.90
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Potterton baxi main - baxi,

Potterton baxi main - baxi,

£6.45
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Baxi main 100mm standard - 60/100mm,

Baxi main 100mm standard - 60/100mm,

£84.99
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Main eco compact 18 - main, &

Main eco compact 18 - main, &

£8.65
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Baxi main potterton - potterton, boiler

Baxi main potterton - potterton, boiler

£37.99
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Main eco compact combi - eco,

Main eco compact combi - eco,

£12.45
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Baxi potterton main - main, hydraulic

Baxi potterton main - main, hydraulic

£49.90
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Main combi eco - main,

Main combi eco - main,

£12.89
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Worcester greenstar 12ri 15ri - worcester,

Worcester greenstar 12ri 15ri - worcester,

£102.00
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Baxi 7683976 pressure - 7683976,

Baxi 7683976 pressure - 7683976,

£17.82
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Main eco compact 30 combi - main, 25

Main eco compact 30 combi - main, 25

£16.68
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Baxi main potterton 7787376 - main,,

Baxi main potterton 7787376 - main,,

£10.16
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Main eco compact combi - main,

Main eco compact combi - main,

£49.99
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Main boiler filling - filling, loop

Main boiler filling - filling, loop

£28.50
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Worcester greenstar erp main

Worcester greenstar erp main

£208.70
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Bnib ideal pcb primary - bnib,

Bnib ideal pcb primary - bnib,

£37.10
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Worcester greenstar plus - worcester,

Worcester greenstar plus - worcester,

£68.30
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Main eco compact - main, combi

Main eco compact - main, combi

£52.99
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Vaillant ecotec pro plus - 28,

Vaillant ecotec pro plus - 28,

£82.47
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Main combi eco - combi,

Main combi eco - combi,

£25.00
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Baxi main potterton boiler - &,

Baxi main potterton boiler - &,

£4.96
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Main multipoint water - multipoint, valve

Main multipoint water - multipoint, valve

£185.00
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Main multipoint bf erp - main,

Main multipoint bf erp - main,

£54.54
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Worcester greenstar 18 - worcester, 15

Worcester greenstar 18 - worcester, 15

£101.87
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Baxi potterton main flue - baxi,

Baxi potterton main flue - baxi,

£1.99
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Main 5130582 burner - 5130582, &

Main 5130582 burner - 5130582, &

£54.44
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Main combi 25eco - main,

Main combi 25eco - main,

£3.52
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Main eco compact combi - eco,

Main eco compact combi - eco,

£14.99
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Main multipoint water valve - main,

Main multipoint water valve - main,

£181.99
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Main eco compact - main, &

Main eco compact - main, &

£34.65
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Worcester greenstar junior 24i - worcester,

Worcester greenstar junior 24i - worcester,

£107.92
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Potterton 720878201 now

Potterton 720878201 now

£83.66
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Main boiler service - kit, –

Main boiler service - kit, –

£64.36
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Main combi eco elite - eco, &

Main combi eco elite - eco, &

£33.35
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Main combi eco 30 - main,

Main combi eco 30 - main,

£33.55
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Main eco compact 25 - 18,, &

Main eco compact 25 - 18,, &

£54.39
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Main combi 24he 30he eco - main,

Main combi 24he 30he eco - main,

£37.99
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Main combi boiler pcb - combi, 24

Main combi boiler pcb - combi, 24

£34.88
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Baxi platinum 15he - 15he, &

Baxi platinum 15he - 15he, &

£12.08
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Main combi eco 25 - combi, &

Main combi eco 25 - combi, &

£41.51
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Main eco compact - eco,

Main eco compact - eco,

£39.99
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Main combi eco - main, 30

Main combi eco - main, 30

£36.50
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Main combi eco elite - main,

Main combi eco elite - main,

£24.95
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Baxi 248064 dhw outlet - 248064,

Baxi 248064 dhw outlet - 248064,

£20.73
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Main eco compact system 18 - compact,

Main eco compact system 18 - compact,

£62.70
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Main combi eco 30 - combi,

Main combi eco 30 - combi,

£58.85
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Main combi erp eco - eco, 25

Main combi erp eco - eco, 25

£20.99
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Main eco compact combi - compact, 30

Main eco compact combi - compact, 30

£23.90
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Main combi eco 25 - combi, &

Main combi eco 25 - combi, &

£47.00
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Main combi eco - combi, 25

Main combi eco - combi, 25

£10.50
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Worcester greenstar 29 30 - greenstar, 25,

Worcester greenstar 29 30 - greenstar, 25,

£148.05
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Main combi eco - combi,

Main combi eco - combi,

£33.00
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Main combi 24se 24he 30he - combi, dhw

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

£3.45
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Main combi 24he - combi, 24

Main combi 24he - combi, 24

£42.63
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Vaillant 0020135131 main heat - vaillant,

Vaillant 0020135131 main heat - vaillant,

£79.99
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📊96 listings · from £1.99 · avg £54.9

Browse 96 main boilers listings currently in our index. Prices range from £1.99 to £260.7, with an average of £54.9. 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 main boilers →

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Everything you need to know about main boilers

Whether you are looking for a brand-new or second-hand main 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 £1.99, while premium listings can reach £260.7 — giving you a wide budget spread to work with. The average price of £54.9 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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