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Main boilers

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Main boilers for sale on largest auction and classifieds sites

Home / Ponds & Water Features / Main boilers refurbished & used for sale | For Sale UK
Axiom amp mains electro - axiom,

Axiom amp mains electro - axiom,

£15.00
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Main combine boiler 24he - boiler,

Main combine boiler 24he - boiler,

£104.18
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Potterton 720878201 now

Potterton 720878201 now

£83.66
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Main 248061 7224344 - , combi

Main 248061 7224344 - , combi

£73.25
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Vaillant ecotec pro - ecotec, 24

Vaillant ecotec pro - ecotec, 24

£33.90
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Worcester 87161412210

Worcester 87161412210

£149.99
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Main 5132454 12l inlet - 5132454,

Main 5132454 12l inlet - 5132454,

£42.63
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Baxi 7663535 dhw flow turbine - 7663535,

Baxi 7663535 dhw flow turbine - 7663535,

£16.99
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Main eco compact - eco,

Main eco compact - eco,

£12.95
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Main eco compact - main, 15

Main eco compact - main, 15

£22.48
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Baxi potterton main multifit - baxi,

Baxi potterton main multifit - baxi,

£23.58
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Main combi 24he 30he - combi,

Main combi 24he 30he - combi,

£2.25
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Main eco compact - 15, 18

Main eco compact - 15, 18

£84.00
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Vaillant ecotec pro plus - vaillant,

Vaillant ecotec pro plus - vaillant,

£88.99
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Vaillant ecotec main - vaillant,

Vaillant ecotec main - vaillant,

£61.94
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Baxi main potterton - main,

Baxi main potterton - main,

£40.49
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Main combi eco elite - main,

Main combi eco elite - main,

£33.35
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Main combi eco elite - 30,

Main combi eco elite - 30,

£12.89
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Main combi 24se - 24se, 24he

Main combi 24se - 24se, 24he

£3.45
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Main eco compact system 18 - compact,

Main eco compact system 18 - compact,

£99.99
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Baxi main 7683801 expansion - main,

Baxi main 7683801 expansion - main,

£52.99
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Baxi duotec main - baxi, duotec-main-potterton

Baxi duotec main - baxi, duotec-main-potterton

£12.89
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Baxi main potterton combi - main,

Baxi main potterton combi - main,

£91.18
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Main combi 24he - 24,

Main combi 24he - 24,

£14.95
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Main combi erp - combi,

Main combi erp - combi,

£20.99
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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£79.99
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Main combi 24he 30he - combi, 24

Main combi 24he 30he - combi, 24

£21.73
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Main combi eco - &,

Main combi eco - &,

£36.99
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Vaillant 0020135131 0020018182

Vaillant 0020135131 0020018182

£75.99
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Baxi main potterton - main,

Baxi main potterton - main,

£43.99
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Main combi 24he potterton - combi,

Main combi 24he potterton - combi,

£43.90
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Main combi eco - &, 30

Main combi eco - &, 30

£33.70
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Main combi eco - main, ignition

Main combi eco - main, ignition

£24.99
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Main combi 24he - main, &

Main combi 24he - main, &

£3.25
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Main combi boiler - 30, he

Main combi boiler - 30, he

£3.99
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Main combi eco - main, &

Main combi eco - main, &

£10.50
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Diverter valve for - for, combi

Diverter valve for - for, combi

£76.99
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Baxi main multifit standard - multifit,

Baxi main multifit standard - multifit,

£78.70
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Main eco elite - eco,

Main eco elite - eco,

£42.08
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Ideal logic combi - ideal, 24

Ideal logic combi - ideal, 24

£149.99
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Main eco compact 18 - eco, 15

Main eco compact 18 - eco, 15

£8.77
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Worcester greenstar 12ri 15ri - worcester,

Worcester greenstar 12ri 15ri - worcester,

£102.00
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Main combi 24he - 24he, eco

Main combi 24he - 24he, eco

£37.99
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Main combi 24se 24he 30he - combi,

Main combi 24se 24he 30he - combi,

£3.45
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Service kit for baxi - kit, main

Service kit for baxi - kit, main

£107.60
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Main combi eco 30 - main,

Main combi eco 30 - main,

£49.90
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Main service kit - service,

Main service kit - service,

£63.94
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Main combi 30 eco elite - main,

Main combi 30 eco elite - main,

£4.50
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Main combi 24he - &,

Main combi 24he - &,

£35.00
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Baxi main potterton boiler - baxi,

Baxi main potterton boiler - baxi,

£37.99
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Baxi potterton main boiler - baxi,

Baxi potterton main boiler - baxi,

£12.40
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Main combi 25eco elite - 25eco, &

Main combi 25eco elite - 25eco, &

£4.54
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Main combi 24he - combi, 24,

Main combi 24he - combi, 24,

£2.78
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Main 5114710 hydraulic - 5114710, inlet

Main 5114710 hydraulic - 5114710, inlet

£44.53
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Main combi boiler - boiler, pump

Main combi boiler - boiler, pump

£43.99
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Brand new baxi - baxi, main

Brand new baxi - baxi, main

£13.99
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Main eco compact 30 combi - eco,

Main eco compact 30 combi - eco,

£23.90
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Vaillant ecotec pro - ecotec, boiler

Vaillant ecotec pro - ecotec, boiler

£59.99
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Main combi eco 25 - main, &

Main combi eco 25 - main, &

£59.50
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Main eco compact - main, boiler

Main eco compact - main, boiler

£14.99
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Main combi 30 he - combi,

Main combi 30 he - combi,

£5.21
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Main combi eco 25 - 30, 30

Main combi eco 25 - 30, 30

£11.40
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Main eco elite - elite, &

Main eco elite - elite, &

£33.65
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Worcester greenstar 29 30 - 25,,

Worcester greenstar 29 30 - 25,,

£148.05
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Main medway super thames - main,

Main medway super thames - main,

£4.02
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Baxi main potterton - baxi,

Baxi main potterton - baxi,

£48.52
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Baxi main potterton thermister - main,

Baxi main potterton thermister - main,

£3.90
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Main combi eco 30 - main,

Main combi eco 30 - main,

£58.85
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Main combi boiler - 24,

Main combi boiler - 24,

£3.99
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Main eco elite potterton - main,

Main eco elite potterton - main,

£39.99
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Main combi boiler - he,

Main combi boiler - he,

£3.99
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Baxi potterton main - potterton,

Baxi potterton main - potterton,

£1.99
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Baxi patterson main - patterson, flue

Baxi patterson main - patterson, flue

£21.79
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Baxi main combi - combi, 30

Baxi main combi - combi, 30

£76.99
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Main system eco 24 - &,

Main system eco 24 - &,

£49.90
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Main eco compact expansion - eco,

Main eco compact expansion - eco,

£82.99
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Main eco compact - 15,, 25

Main eco compact - 15,, 25

£54.39
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Potterton baxi main boilers - baxi,

Potterton baxi main boilers - baxi,

£6.45
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Potterton baxi main boiler - potterton,

Potterton baxi main boiler - potterton,

£5.35
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Vaillant thermal fuse sensor - vaillant,

Vaillant thermal fuse sensor - vaillant,

£15.50
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Main combi boiler pcb - combi, 24

Main combi boiler pcb - combi, 24

£43.20
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Boiler pump main 18he 24he - pump,

Boiler pump main 18he 24he - pump,

£48.24
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Main combi 30he system 18he - 30he,

Main combi 30he system 18he - 30he,

£34.80
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Main medway super thames - main,

Main medway super thames - main,

£4.62
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Worcester greenstar junior - greenstar,

Worcester greenstar junior - greenstar,

£93.99
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Main combi eco - 30, 30

Main combi eco - 30, 30

£38.95
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Main heat exchanger - heat, for

Main heat exchanger - heat, for

£67.91
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5114762 silicone pipe - 5114762,

5114762 silicone pipe - 5114762,

£14.84
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Main combi eco 30 - 30,

Main combi eco 30 - 30,

£40.65
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Main combi eco - eco, 25

Main combi eco - eco, 25

£26.95
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Main eco compact - main,

Main eco compact - main,

£32.49
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Main combi 24he - combi,

Main combi 24he - combi,

£12.00
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Main combi eco 30 - 30,

Main combi eco 30 - 30,

£54.53
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Baxi duo tec fan 5121447 - fan,

Baxi duo tec fan 5121447 - fan,

£40.58
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Worcester greenstar combi - worcester,

Worcester greenstar combi - worcester,

£148.49
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Main combi he 24he - 24,

Main combi he 24he - 24,

£77.59
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📊96 listings · from £1.99 · avg £42.86

Browse 96 main boilers listings currently in our index. Prices range from £1.99 to £149.99, with an average of £42.86. 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 £149.99 — giving you a wide budget spread to work with. The average price of £42.86 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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