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Main gas boilers

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Home / Heating, Cooling & Air / Main gas boilers refurbished & used for sale | For Sale UK
Baxi duotec main potterton - baxi, duotec-main-potterton

Baxi duotec main potterton - baxi, duotec-main-potterton

£12.89 · Buy It Now

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Main eco compact - compact, natural

Main eco compact - compact, natural

£516.70 · Buy It Now

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399 vat your boiler - £0,

399 vat your boiler - £0,

£399.00 · Buy It Now

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Boiler for sale - boiler,

Boiler for sale - boiler,

£260.70 · Buy It Now

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Main combi eco 25 30 - combi,

Main combi eco 25 30 - combi,

£21.35 · Buy It Now

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Main multipoint ff erp - main, &

Main multipoint ff erp - main, &

£299.18 · Buy It Now

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Baxi duo tec 40 - duo-tec, combi

Baxi duo tec 40 - duo-tec, combi

£21.50 · Buy It Now

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Main eco compact combi - main,

Main eco compact combi - main,

£12.95 · Buy It Now

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Main combi eco - main, 30

Main combi eco - main, 30

£4.25 · Buy It Now

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Main combi eco - eco, elite

Main combi eco - eco, elite

£12.89 · Buy It Now

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Main multipoint water - main,

Main multipoint water - main,

£174.98 · Buy It Now

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Vaillant ecotec plus 612 - plus, 615

Vaillant ecotec plus 612 - plus, 615

£64.99 · Buy It Now

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Baxi combi potterton - combi, &

Baxi combi potterton - combi, &

£4.25 · Buy It Now

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Baxi main eco - eco, compact

Baxi main eco - eco, compact

£799.99 · Buy It Now

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Main eco compact - 25, 30

Main eco compact - 25, 30

£14.99 · Buy It Now

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New worcester bosch main heat - bosch,

New worcester bosch main heat - bosch,

£224.30 · Buy It Now

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Worcester 8716117040 main - worcester,

Worcester 8716117040 main - worcester,

£125.50 · Buy It Now

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Main combi 24he - 24he, 30he

Main combi 24he - 24he, 30he

£10.45 · Buy It Now

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Main eco compact - 25/30, gas

Main eco compact - 25/30, gas

£31.90 · Buy It Now

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Baxi main potterton - 248224, tap

Baxi main potterton - 248224, tap

£24.62 · Buy It Now

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Main potteron - main,

Main potteron - main,

£35.00 · Buy It Now

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

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

£5.95 · Buy It Now

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Main combi 24he - main, 30he

Main combi 24he - main, 30he

£37.10 · Buy It Now

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Main gas heating only he - heating, 12

Main gas heating only he - heating, 12

£25.99 · Buy It Now

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Main combi 24se 24he 30he - main,

Main combi 24se 24he 30he - main,

£10.45 · Buy It Now

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British gas bg330 boiler - bg330+, main

British gas bg330 boiler - bg330+, main

£109.99 · Buy It Now

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Main gas boiler filling loop - gas,

Main gas boiler filling loop - gas,

£22.53 · Buy It Now

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Main combi eco 30 - 30,

Main combi eco 30 - 30,

£64.95 · Buy It Now

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399 vat any combi - £399,

399 vat any combi - £399,

£399.00 · Buy It Now

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Ideal pcb isar - pcb, icos

Ideal pcb isar - pcb, icos

£50.00 · Buy It Now

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Main eco compact system - main,

Main eco compact system - main,

£22.48 · Buy It Now

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Worcester 24i 28i junior - 28i,

Worcester 24i 28i junior - 28i,

£6.85 · Buy It Now

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Main combi 25eco - elite, &

Main combi 25eco - elite, &

£3.29 · Buy It Now

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Main eco compact 30 combi - main,

Main eco compact 30 combi - main,

£23.90 · Buy It Now

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Baxi main potterton water - baxi,

Baxi main potterton water - baxi,

£38.00 · Buy It Now

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Baxi main combi 30 eco - 5x,

Baxi main combi 30 eco - 5x,

£44.95 · Buy It Now

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Main combi eco 30 - 30,

Main combi eco 30 - 30,

£40.65 · Buy It Now

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Baxi duotec main potterton - baxi, a

Baxi duotec main potterton - baxi, a

£12.89 · Buy It Now

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999 supplied and - £, fitted

999 supplied and - £, fitted

£999.00 · Buy It Now

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Worcester greenstar - worcester,

Worcester greenstar - worcester,

£208.70 · Buy It Now

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Baxi combi 80e - baxi, 80

Baxi combi 80e - baxi, 80

£5.45 · Buy It Now

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Main combi eco - eco, 3

Main combi eco - eco, 3

£15.95 · Buy It Now

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Main heat only 24 30 - only,

Main heat only 24 30 - only,

£71.99 · Buy It Now

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Main combi temperature - combi, 24

Main combi temperature - combi, 24

£4.25 · Buy It Now

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Main combi 25 30 eco - 30, &

Main combi 25 30 eco - 30, &

£4.35 · Buy It Now

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Main combi 248079 30 he - main, 24

Main combi 248079 30 he - main, 24

£4.95 · Buy It Now

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1960 high speed - speed, gas

1960 high speed - speed, gas

£15.00 · Buy It Now

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Baxi main potterton motor - main,

Baxi main potterton motor - main,

£21.75 · Buy It Now

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Main combi 25eco elite - main,

Main combi 25eco elite - main,

£3.99 · Buy It Now

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Gloworm combi gas - gloworm,

Gloworm combi gas - gloworm,

£31.90 · Buy It Now

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Main combi eco - main, 25

Main combi eco - main, 25

£24.95 · Buy It Now

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Main system a - 18, diverter

Main system a - 18, diverter

£12.89 · Buy It Now

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Main combi eco 30 - &,

Main combi eco 30 - &,

£59.50 · Buy It Now

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Baxi main potterton gas - main, spare

Baxi main potterton gas - main, spare

£84.99 · Buy It Now

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Baxi duotec main - baxi, duotec-main-potterton

Baxi duotec main - baxi, duotec-main-potterton

£13.99 · Buy It Now

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Baxi main potterton - &,

Baxi main potterton - &,

£4.45 · Buy It Now

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Worcester greenstar 30 - worcester, 25

Worcester greenstar 30 - worcester, 25

£79.99 · Buy It Now

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Worcester greenstar main - worcester, heat

Worcester greenstar main - worcester, heat

£260.70 · Buy It Now

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Baxi potterton alpha main - baxi,

Baxi potterton alpha main - baxi,

£3.75 · Buy It Now

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Main combi 24he 30he dhw - 24he,

Main combi 24he 30he dhw - 24he,

£5.95 · Buy It Now

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Vaillant eco tec plus - eco,

Vaillant eco tec plus - eco,

£22.95 · Buy It Now

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Main combi eco elite - main,

Main combi eco elite - main,

£39.50 · Buy It Now

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Baxi main potterton limit - baxi,,

Baxi main potterton limit - baxi,,

£7.00 · Buy It Now

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Boiler flow switch set - switch, set&

Boiler flow switch set - switch, set&

£21.45 · Buy It Now

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Baxi duotec main - duotec-main-potterton, a

Baxi duotec main - duotec-main-potterton, a

£15.95 · Buy It Now

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Main combi 24he - main,

Main combi 24he - main,

£2.25 · Buy It Now

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Main eco compact 30 combi - 30,

Main eco compact 30 combi - 30,

£23.95 · Buy It Now

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Ideal c24 c30 c35 logic - c30,

Ideal c24 c30 c35 logic - c30,

£89.99 · Buy It Now

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Worcester bosch greenstar main - bosch,

Worcester bosch greenstar main - bosch,

£215.99 · Buy It Now

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Potterton performa main - potterton,

Potterton performa main - potterton,

£18.60 · Buy It Now

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Baxi main multifit 100mm - multifit, 60/100mm

Baxi main multifit 100mm - multifit, 60/100mm

£78.41 · Buy It Now

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Main combi eco - main,

Main combi eco - main,

£58.85 · Buy It Now

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Baxi potterton main alpha - potterton,

Baxi potterton main alpha - potterton,

£7.95 · Buy It Now

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Worcester greenstar 29 30 - greenstar,

Worcester greenstar 29 30 - greenstar,

£144.99 · Buy It Now

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Main combi eco - main,

Main combi eco - main,

£41.51 · Buy It Now

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Main eco combi - 25, boiler

Main eco combi - 25, boiler

£15.95 · Buy It Now

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Main diverter valve - main,

Main diverter valve - main,

£13.95 · Buy It Now

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Ideal isar he24 - isar,

Ideal isar he24 - isar,

£104.70 · Buy It Now

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Worcester bosch 28i junior - 28i,

Worcester bosch 28i junior - 28i,

£63.10 · Buy It Now

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Baxi potterton boiler main 848 - main,

Baxi potterton boiler main 848 - main,

£25.75 · Buy It Now

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Main eco 30 - 25,

Main eco 30 - 25,

£3.99 · Buy It Now

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Vaillant main heat - , exchanger

Vaillant main heat - , exchanger

£240.00 · Buy It Now

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Main combi 24he - combi, 30he

Main combi 24he - combi, 30he

£53.85 · Buy It Now

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Main combi eco elite - main,

Main combi eco elite - main,

£13.99 · Buy It Now

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Main combi eco 25 - eco, 30

Main combi eco 25 - eco, 30

£23.95 · Buy It Now

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Main combi eco elite erp - main,

Main combi eco elite erp - main,

£128.40 · Buy It Now

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Main combi 80e 105e - main,

Main combi 80e 105e - main,

£7.95 · Buy It Now

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Brand new baxi main multifit - new,

Brand new baxi main multifit - new,

£89.99 · Buy It Now

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Main combi eco 25 - eco,

Main combi eco 25 - eco,

£24.98 · Buy It Now

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Main combi eco - main, 25

Main combi eco - main, 25

£21.95 · Buy It Now

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Baxi main potterton 7855245 - baxi,

Baxi main potterton 7855245 - baxi,

£99.50 · Buy It Now

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Main combi 24he 30he - 24he,

Main combi 24he 30he - 24he,

£13.00 · Buy It Now

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Mains eco combi gas - eco, 25/30

Mains eco combi gas - eco, 25/30

£19.36 · Buy It Now

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Vaillant eco tec main - vaillant,

Vaillant eco tec main - vaillant,

£109.90 · Buy It Now

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399 vat your - vat, boiler+flue

399 vat your - vat, boiler+flue

£399.00 · Buy It Now

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Worcester bosch 24i - 24i, junior

Worcester bosch 24i - 24i, junior

£363.70 · Buy It Now

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📊96 listings · from £2.25 · avg £89.13

Browse 96 main gas boilers listings currently in our index. Prices range from £2.25 to £999, with an average of £89.13. 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 gas boilers →

Try this: baxi gas boilers | ideal condensing boilers | bosch condensing boilers | propane boiler | domestic boilers | industrial infrared heaters | blow heaters industrial | industrial electric fan heaters | commercial heaters | portable electric radiant heater

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Everything you need to know about main gas boilers

Whether you are looking for a brand-new or second-hand main gas 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 £2.25, while premium listings can reach £999 — giving you a wide budget spread to work with. The average price of £89.13 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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