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Home / Heating Systems / Vaillant refurbished & used for sale | For Sale UK
Vaillant white flue - vaillant, pipe

Vaillant white flue - vaillant, pipe

£16.15
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Vaillant standard horizontal - vaillant,

Vaillant standard horizontal - vaillant,

£169.45
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0020116882 vaillant time - vaillant,

0020116882 vaillant time - vaillant,

£38.99
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Vaillant ecotec pro plus - vaillant,

Vaillant ecotec pro plus - vaillant,

£49.23
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Vaillant 0020219517 standard - 0020219517,

Vaillant 0020219517 standard - 0020219517,

£16.15
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Vaillant vrt350 programmable - vaillant,

Vaillant vrt350 programmable - vaillant,

£79.99
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Vaillant ecotec plus - ecotec, boiler

Vaillant ecotec plus - ecotec, boiler

£465.70
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Vaillant vrt 350 - vaillant,

Vaillant vrt 350 - vaillant,

£42.30
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Vaillant eco tec plus - plus, 824

Vaillant eco tec plus - plus, 824

£31.90
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Vaillant ecotec pro 28 - vaillant,

Vaillant ecotec pro 28 - vaillant,

£10.99
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Vaillant ecotec plus - ecotec,

Vaillant ecotec plus - ecotec,

£34.99
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Vaillant ecofit pure boiler - vaillant,

Vaillant ecofit pure boiler - vaillant,

£39.98
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Vaillant ecotec plus - vaillant, 831

Vaillant ecotec plus - vaillant, 831

£35.50
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Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

£38.95
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Vaillant timeswitch 160 - vaillant,

Vaillant timeswitch 160 - vaillant,

£52.70
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Vaillant ecotec plus 824 - ecotec,

Vaillant ecotec plus 824 - ecotec,

£59.99
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Vaillant smart combi - v,

Vaillant smart combi - v,

£125.50
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Vaillant ecotec plas pro - vaillant, &

Vaillant ecotec plas pro - vaillant, &

£48.52
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Vaillant ecotec plus - plus, 831

Vaillant ecotec plus - plus, 831

£10.57
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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£34.99
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Vaillant ecotec pro plus - ecotec, 28

Vaillant ecotec pro plus - ecotec, 28

£82.47
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Vaillant ecotec pro - pro, &

Vaillant ecotec pro - pro, &

£33.90
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Vaillant 0020132764 pcb - vaillant,

Vaillant 0020132764 pcb - vaillant,

£100.00
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Vaillant ecotec plus boiler - vaillant,

Vaillant ecotec plus boiler - vaillant,

£79.99
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Genuine vaillant ecotec - genuine,

Genuine vaillant ecotec - genuine,

£52.89
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Vaillant ecotec vuw - ecotec, 28

Vaillant ecotec vuw - ecotec, 28

£35.50
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Vaillant ecotec programmable - ecotec,

Vaillant ecotec programmable - ecotec,

£60.00
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Vaillant turbomax plus - plus, vuw

Vaillant turbomax plus - plus, vuw

£39.99
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Vaillant 0010030632 genuine - 0010030632,

Vaillant 0010030632 genuine - 0010030632,

£83.90
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Vaillant 0020135131 main - vaillant,

Vaillant 0020135131 main - vaillant,

£79.99
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Vaillant ecotec plus 824 - vaillant,

Vaillant ecotec plus 824 - vaillant,

£116.50
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Vaillant ecotec pro main - pro, 24

Vaillant ecotec pro main - pro, 24

£110.99
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Vaillant ecotec pro 28 - pro,

Vaillant ecotec pro 28 - pro,

£44.99
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Vaillant ecotec plus - 824, 831

Vaillant ecotec plus - 824, 831

£48.99
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Genuine vaillant ecotec - vaillant, 24

Genuine vaillant ecotec - vaillant, 24

£12.89
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Vaillant ecotec pro 28 - vaillant, 24

Vaillant ecotec pro 28 - vaillant, 24

£42.42
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Vaillant ecotec pro - 24, &

Vaillant ecotec pro - 24, &

£41.99
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Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

£46.94
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Vaillant ecotec service kit - vaillant,

Vaillant ecotec service kit - vaillant,

£26.99
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Vaillant ecotec main heat - ecotec,

Vaillant ecotec main heat - ecotec,

£61.94
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Vaillant ecotec plus - ecotec,

Vaillant ecotec plus - ecotec,

£59.99
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Vaillant ecotec plus 824 831 - 824,

Vaillant ecotec plus 824 831 - 824,

£70.00
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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£65.00
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Vaillant ecotec pro boiler - vaillant,

Vaillant ecotec pro boiler - vaillant,

£58.99
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Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

£79.99
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Vaillant boiler pcb - vaillant, ecotec

Vaillant boiler pcb - vaillant, ecotec

£58.99
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Vaillant eco tec pro - eco, vuw

Vaillant eco tec pro - eco, vuw

£9.99
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Vaillant sealing gasket - vaillant,

Vaillant sealing gasket - vaillant,

£13.72
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Vaillant ecotec plus 612 615 - vaillant,

Vaillant ecotec plus 612 615 - vaillant,

£76.99
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Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

£44.95
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Vaillant ecotec vuw - pro, &

Vaillant ecotec vuw - pro, &

£7.99
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Vaillant automatic air vent - air,

Vaillant automatic air vent - air,

£9.99
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Vaillant ecotec plus pcb - ecotec,

Vaillant ecotec plus pcb - ecotec,

£43.99
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Vaillant 0020124475 vrt 350 - vrt,

Vaillant 0020124475 vrt 350 - vrt,

£78.70
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Vaillant 0020132682 eco tec - vaillant,

Vaillant 0020132682 eco tec - vaillant,

£49.94
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Vaillant ecotec plus - vaillant, 824&

Vaillant ecotec plus - vaillant, 824&

£16.77
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Vaillant vrt350f programmable - vaillant,

Vaillant vrt350f programmable - vaillant,

£38.14
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Vaillant ecotec plus boiler - ecotec,

Vaillant ecotec plus boiler - ecotec,

£87.50
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Water pressure sensor - water,

Water pressure sensor - water,

£10.95
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Vaillant ecotec plus - vaillant, 824

Vaillant ecotec plus - vaillant, 824

£42.49
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100 genuine vaillant ecotec - genuine,

100 genuine vaillant ecotec - genuine,

£12.89
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20116882 vaillant time switch - vaillant,

20116882 vaillant time switch - vaillant,

£44.99
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Vaillant ecofit pure boiler - pure,

Vaillant ecofit pure boiler - pure,

£39.99
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Vaillant terminal plume - vaillant,

Vaillant terminal plume - vaillant,

£68.30
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Vaillant ecotec pro 30 - vaillant,

Vaillant ecotec pro 30 - vaillant,

£65.00
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Vaillant turbomax plus 824 - 824, 828

Vaillant turbomax plus 824 - 824, 828

£25.80
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Vaillant ecofit pure 825 830 - pure,

Vaillant ecofit pure 825 830 - pure,

£24.00
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Vaillant ecofit pure 425 - ecofit,

Vaillant ecofit pure 425 - ecofit,

£669.70
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Vaillant vr940f myvaillant - vaillant,

Vaillant vr940f myvaillant - vaillant,

£275.00
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Vaillant ecotec pro - vaillant, 28

Vaillant ecotec pro - vaillant, 28

£24.97
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Vaillant ecotec plus 824 831 - vaillant, /

Vaillant ecotec plus 824 831 - vaillant, /

£63.99
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Vaillant ecotec plus - 824, 831

Vaillant ecotec plus - 824, 831

£58.20
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Vaillant ecotec plus - 615, /

Vaillant ecotec plus - 615, /

£54.94
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Vaillant ecotec plus - pro, 824

Vaillant ecotec plus - pro, 824

£25.00
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Vaillant ecotec pro - pro, &

Vaillant ecotec pro - pro, &

£48.99
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Vaillant ecotec pro - vaillant, pcb

Vaillant ecotec pro - vaillant, pcb

£36.52
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Vaillant ecotec plus and - ecotec, pro

Vaillant ecotec plus and - ecotec, pro

£31.99
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Vaillant ecotec pro - ecotec, 24

Vaillant ecotec pro - ecotec, 24

£34.99
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New style vaillant lead - style,

New style vaillant lead - style,

£22.00
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Vaillant ecotec expansion - vaillant,

Vaillant ecotec expansion - vaillant,

£39.99
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Brand new vaillant 303903 - vaillant,

Brand new vaillant 303903 - vaillant,

£33.99
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Vaillant ecotec pro vuw - 28,

Vaillant ecotec pro vuw - 28,

£91.99
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Vaillant ecotec plus 824 vuw - vaillant,

Vaillant ecotec plus 824 vuw - vaillant,

£57.00
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Vaillant ecotec pro plus - ecotec, pcb

Vaillant ecotec pro plus - ecotec, pcb

£38.60
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Vaillant turbomax plus 824e - vaillant,

Vaillant turbomax plus 824e - vaillant,

£37.82
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Vaillant ecotec plus 624 - ecotec, 831

Vaillant ecotec plus 624 - ecotec, 831

£74.98
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Vaillant ecotec plus 824 831 - plus,

Vaillant ecotec plus 824 831 - plus,

£37.50
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Vaillant ecofit sustain 630 - ecofit,

Vaillant ecofit sustain 630 - ecofit,

£567.70
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Vaillant ecotec plus 615 - vaillant, 630

Vaillant ecotec plus 615 - vaillant, 630

£37.10
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Vaillant ecotec pro - ecotec,

Vaillant ecotec pro - ecotec,

£60.00
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Vaillant ecotec plus - ecotec,

Vaillant ecotec plus - ecotec,

£44.86
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Vaillant 178983 boiler - 178983, pump

Vaillant 178983 boiler - 178983, pump

£49.99
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Vaillant vrc 470f - vaillant,

Vaillant vrc 470f - vaillant,

£52.70
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Vaillant ecotec plus vuw - vaillant,

Vaillant ecotec plus vuw - vaillant,

£43.20
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Vaillant ecotec plus 824 - vaillant,

Vaillant ecotec plus 824 - vaillant,

£75.96
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Vaillant ecotec service - vaillant, kit

Vaillant ecotec service - vaillant, kit

£87.50
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📊96 listings · from £7.99 · avg £68.64
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 96 vaillant listings currently in our index. Prices range from £7.99 to £669.7, with an average of £68.64. 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 →

Try this: triumph t100c | underfloor heating | yamaha yzfr125 | underfloor heating mat | biomass | underfloor | biomass boiler | spa heater | oilfit | polyplumb underfloor heating

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Everything you need to know about vaillant

Whether you are looking for a brand-new or second-hand vaillant, 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 £669.7 — giving you a wide budget spread to work with. The average price of £68.64 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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