For Sale UK

Vaillant boiler

4

Vaillant boiler for sale on largest auction and classifieds sites

Home / Water Heating & Filtration / Vaillant boiler refurbished & used for sale | For Sale UK
Vaillant ecotec printed - vaillant,

Vaillant ecotec printed - vaillant,

£63.10
Buy It Now

» View on eBay #sponsored
Vaillant standard horizontal - standard,

Vaillant standard horizontal - standard,

£69.45
Buy It Now

» View on eBay #sponsored
Vaillant filter advance boiler - filter,

Vaillant filter advance boiler - filter,

£172.30
Buy It Now

» View on eBay #sponsored
Vaillant ecotec sustain - ecotec, 28

Vaillant ecotec sustain - ecotec, 28

£999.99
Buy It Now

» View on eBay #sponsored
Vaillant eco tec sustain - vaillant, 28

Vaillant eco tec sustain - vaillant, 28

£516.70
Buy It Now

» View on eBay #sponsored
Vaillant 0020195458 gas - 0020195458,

Vaillant 0020195458 gas - 0020195458,

£104.70
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro 28 - vaillant,

Vaillant ecotec pro 28 - vaillant,

£12.72
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - vaillant, plus/pro

Vaillant ecotec plus - vaillant, plus/pro

£48.32
Buy It Now

» View on eBay #sponsored
Vaillant ecotec gas valve - ecotec,

Vaillant ecotec gas valve - ecotec,

£92.85
Buy It Now

» View on eBay #sponsored
Vaillant 0020132764 printed - vaillant,

Vaillant 0020132764 printed - vaillant,

£79.99
Buy It Now

» View on eBay #sponsored
Vaillant 0020219517 standard - vaillant,

Vaillant 0020219517 standard - vaillant,

£69.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£120.00
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro 28 - pro, &

Vaillant ecotec pro 28 - pro, &

£10.99
Buy It Now

» View on eBay #sponsored
Gas boiler installation all - gas, installation,

Gas boiler installation all - gas, installation,

£567.70
Buy It Now

» View on eBay #sponsored
Vaillant boiler pcb ecotec - vaillant,

Vaillant boiler pcb ecotec - vaillant,

£58.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro heat - pro, 28

Vaillant ecotec pro heat - pro, 28

£19.30
Buy It Now

» View on eBay #sponsored
Vaillant ecofit pure 625 - vaillant,

Vaillant ecofit pure 625 - vaillant,

£169.99
Buy It Now

» View on eBay #sponsored
Vaillant boiler pressure gauge - vaillant,

Vaillant boiler pressure gauge - vaillant,

£13.50
Buy It Now

» View on eBay #sponsored
Boiler flue cover shroud - cover/,

Boiler flue cover shroud - cover/,

£34.99
Buy It Now

» View on eBay #sponsored
Vaillant ecofit sustain 418 - ecofit,

Vaillant ecofit sustain 418 - ecofit,

£373.90
Buy It Now

» View on eBay #sponsored
Vaillant vr70 wiring - vr70,

Vaillant vr70 wiring - vr70,

£31.90
Buy It Now

» View on eBay #sponsored
Vaillant gas section - vaillant, h-gas

Vaillant gas section - vaillant, h-gas

£45.00
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - ecotec, 630

Vaillant ecotec plus - ecotec, 630

£92.50
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - 824, 831

Vaillant ecotec plus - 824, 831

£34.99
Buy It Now

» View on eBay #sponsored
Vaillant ecofit sustain - vaillant,

Vaillant ecofit sustain - vaillant,

£394.30
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus gb - vaillant, vu

Vaillant ecotec plus gb - vaillant, vu

£1200.36
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

£33.90
Buy It Now

» View on eBay #sponsored
Vaillant ecotec vuw pro - vaillant,

Vaillant ecotec vuw pro - vaillant,

£7.99
Buy It Now

» View on eBay #sponsored
Vaillant turbomax vuw - vaillant,

Vaillant turbomax vuw - vaillant,

£172.30
Buy It Now

» View on eBay #sponsored
Vaillant boiler - vaillant,

Vaillant boiler - vaillant,

£154.51
Buy It Now

» View on eBay #sponsored
Vaillant 303903 100mm pp - 303903,

Vaillant 303903 100mm pp - 303903,

£29.30
Buy It Now

» View on eBay #sponsored
Vaillant 178983 boiler pump - boiler,

Vaillant 178983 boiler pump - boiler,

£49.99
Buy It Now

» View on eBay #sponsored
Vaillant wall mounted - vaillant, central

Vaillant wall mounted - vaillant, central

£720.70
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - 24, 28

Vaillant ecotec pro - 24, 28

£34.64
Buy It Now

» View on eBay #sponsored
Vaillant vr11 collector - vaillant,

Vaillant vr11 collector - vaillant,

£9.73
Buy It Now

» View on eBay #sponsored
Vaillant 0020132682 diverter - vaillant,

Vaillant 0020132682 diverter - vaillant,

£31.90
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - ecotec, vu/ecotec

Vaillant ecotec plus - ecotec, vu/ecotec

£279.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus pro - ecotec,

Vaillant ecotec plus pro - ecotec,

£15.99
Buy It Now

» View on eBay #sponsored
Genuine vaillant ecotec 178973 - ecotec,

Genuine vaillant ecotec 178973 - ecotec,

£157.14
Buy It Now

» View on eBay #sponsored
0020059717 vaillant ecotec - 5,

0020059717 vaillant ecotec - 5,

£44.31
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus 831 - ecotec,

Vaillant ecotec plus 831 - ecotec,

£16.51
Buy It Now

» View on eBay #sponsored
Vaillant pcb 0020132764 - vaillant,

Vaillant pcb 0020132764 - vaillant,

£51.87
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus boiler - vaillant,

Vaillant ecotec plus boiler - vaillant,

£79.99
Buy It Now

» View on eBay #sponsored
Vaillant boiler pcb - vaillant, (2012)

Vaillant boiler pcb - vaillant, (2012)

£60.00
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£1230.70
Buy It Now

» View on eBay #sponsored
Vaillant 0010028086 brand new - vaillant,

Vaillant 0010028086 brand new - vaillant,

£99.50
Buy It Now

» View on eBay #sponsored
Boiler flue rain snow cover - rain,

Boiler flue rain snow cover - rain,

£14.22
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro 28 - pro, 24,

Vaillant ecotec pro 28 - pro, 24,

£58.20
Buy It Now

» View on eBay #sponsored
Vaillant vpar boiler - vaillant, pump

Vaillant vpar boiler - vaillant, pump

£48.94
Buy It Now

» View on eBay #sponsored
Vaillant ecofit pure 630

Vaillant ecofit pure 630

£350.00
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - ecotec, 28

Vaillant ecotec pro - ecotec, 28

£449.00
Buy It Now

» View on eBay #sponsored
Vaillant service cock - vaillant,

Vaillant service cock - vaillant,

£16.15
Buy It Now

» View on eBay #sponsored
Various vaillant glowworm - various, vaillant/glowworm

Various vaillant glowworm - various, vaillant/glowworm

£52.70
Buy It Now

» View on eBay #sponsored
Vaillant 0020219517 standard - 0020219517,

Vaillant 0020219517 standard - 0020219517,

£63.10
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - plus,

Vaillant ecotec plus - plus,

£32.99
Buy It Now

» View on eBay #sponsored
Vaillant 0020010292 handle - vaillant,

Vaillant 0020010292 handle - vaillant,

£10.00
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro vuw - ecotec, 28

Vaillant ecotec pro vuw - ecotec, 28

£60.00
Buy It Now

» View on eBay #sponsored
Brand new vaillant ecotec plus - brand,

Brand new vaillant ecotec plus - brand,

£52.70
Buy It Now

» View on eBay #sponsored
Vaillant ecotec front cover - vaillant,

Vaillant ecotec front cover - vaillant,

£125.50
Buy It Now

» View on eBay #sponsored
20116882 vaillant time - 20116882,

20116882 vaillant time - 20116882,

£44.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec vuw pro - vaillant, &

Vaillant ecotec vuw pro - vaillant, &

£8.39
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - ecotec,

Vaillant ecotec pro - ecotec,

£109.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus 824 831 - ecotec,

Vaillant ecotec plus 824 831 - ecotec,

£31.54
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus 824 825 - 824,

Vaillant ecotec plus 824 825 - 824,

£59.99
Buy It Now

» View on eBay #sponsored
Vaillant timeswitch 150 - vaillant,

Vaillant timeswitch 150 - vaillant,

£26.70
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus 612 - ecotec,

Vaillant ecotec plus 612 - ecotec,

£42.49
Buy It Now

» View on eBay #sponsored
Vaillant glowworm - &,

Vaillant glowworm - &,

£23.50
Buy It Now

» View on eBay #sponsored
Vaillant ecomax ecotec plus - vaillant,

Vaillant ecomax ecotec plus - vaillant,

£312.70
Buy It Now

» View on eBay #sponsored
Boiler flue rain snow - rain, cover

Boiler flue rain snow - rain, cover

£14.85
Buy It Now

» View on eBay #sponsored
Vaillant ecotec boiler - vaillant,

Vaillant ecotec boiler - vaillant,

£38.61
Buy It Now

» View on eBay #sponsored
Vaillant boiler service - vaillant, kit

Vaillant boiler service - vaillant, kit

£26.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plas pro - ecotec, &

Vaillant ecotec plas pro - ecotec, &

£48.52
Buy It Now

» View on eBay #sponsored
Vaillant 178983 water pump - 178983, for

Vaillant 178983 water pump - 178983, for

£119.99
Buy It Now

» View on eBay #sponsored
Vaillant flue bundle 1m - bundle,, 2x

Vaillant flue bundle 1m - bundle,, 2x

£83.90
Buy It Now

» View on eBay #sponsored
Vaillant ecotec sustain gas - ecotec,

Vaillant ecotec sustain gas - ecotec,

£465.70
Buy It Now

» View on eBay #sponsored
Vaillant 0020132682 eco - eco, tec

Vaillant 0020132682 eco - eco, tec

£49.94
Buy It Now

» View on eBay #sponsored
Vaillant vr33 opentherm - vr33, module

Vaillant vr33 opentherm - vr33, module

£187.90
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus 612 615 - vaillant,

Vaillant ecotec plus 612 615 - vaillant,

£179.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - ecotec,

Vaillant ecotec plus - ecotec,

£43.99
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - vaillant, pump

Vaillant ecotec pro - vaillant, pump

£56.42
Buy It Now

» View on eBay #sponsored
Vaillant filter 0020152477 - filter,

Vaillant filter 0020152477 - filter,

£26.70
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - pro, 28

Vaillant ecotec pro - pro, 28

£16.20
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus vuw - plus,

Vaillant ecotec plus vuw - plus,

£16.77
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - 24, &

Vaillant ecotec pro - 24, &

£32.99
Buy It Now

» View on eBay #sponsored
Vaillant service cock - vaillant,

Vaillant service cock - vaillant,

£25.00
Buy It Now

» View on eBay #sponsored
Vaillant standard flue kit - standard,

Vaillant standard flue kit - standard,

£57.90
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro vuw - vaillant,

Vaillant ecotec pro vuw - vaillant,

£13.77
Buy It Now

» View on eBay #sponsored
Vaillant 0020128697 wiring - vaillant,

Vaillant 0020128697 wiring - vaillant,

£21.50
Buy It Now

» View on eBay #sponsored
Vaillant pump 0010030632 - vaillant,

Vaillant pump 0010030632 - vaillant,

£78.70
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus 824 - x,

Vaillant ecotec plus 824 - x,

£35.00
Buy It Now

» View on eBay #sponsored
Vaillant ecotec plus - ecotec,

Vaillant ecotec plus - ecotec,

£55.00
Buy It Now

» View on eBay #sponsored
Vaillant ecotec pro - 24, &

Vaillant ecotec pro - 24, &

£7.99
Buy It Now

» View on eBay #sponsored
Replacement vaillant boiler - replacement,

Replacement vaillant boiler - replacement,

£10.99
Buy It Now

» View on eBay #sponsored
Vaillant boiler spares joblot - spares,

Vaillant boiler spares joblot - spares,

£125.50
Buy It Now

» View on eBay #sponsored
Combi boiler fitted 400 - boiler,

Combi boiler fitted 400 - boiler,

£400.00
Buy It Now

» View on eBay #sponsored
Vaillant ecofit pure - ecofit, 435

Vaillant ecofit pure - ecofit, 435

£924.70
Buy It Now

» View on eBay #sponsored

Looking for more vaillant boiler?

Search eBay live — fresh results filtered for the best value, updated every hour.

🔍 Search live deals
📊96 listings · from £7.99 · avg £144.15
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 vaillant boiler listings currently in our index. Prices range from £7.99 to £1230.7, with an average of £144.15. 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 vaillant boiler →

Try this: worcester boiler | ideal boiler | worcester boiler parts | back boiler | combi boilers baxi | combi boilers | wilo pump | 2kw water heater | 3kw water heater | baxi solo parts

Shop by budget

< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

Everything you need to know about vaillant boiler

Whether you are looking for a brand-new or second-hand vaillant boiler, 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 £7.99, while premium listings can reach £1230.7 — giving you a wide budget spread to work with. The average price of £144.15 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.

🔍 vaillant boiler Search live on eBay