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Vaillant boiler

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Home / Heating, Cooling & Air / Vaillant boiler refurbished & used for sale | For Sale UK
Vr71 vaillant - vr71,

Vr71 vaillant - vr71,

£63.10 · Buy It Now

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Vaillant ecofit pure 415 - vaillant,

Vaillant ecofit pure 415 - vaillant,

£234.70 · Buy It Now

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Vaillant standard horizontal - standard,

Vaillant standard horizontal - standard,

£69.45 · Buy It Now

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Combi boiler fitted 399 - boiler,

Combi boiler fitted 399 - boiler,

£400.00 · Buy It Now

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Vaillant ecotec pcb 0010028086 - vaillant,

Vaillant ecotec pcb 0010028086 - vaillant,

£99.50 · Buy It Now

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Vaillant standard horizontal - vaillant,

Vaillant standard horizontal - vaillant,

£69.00 · Buy It Now

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Vaillant advance boiler - vaillant,

Vaillant advance boiler - vaillant,

£138.23 · Buy It Now

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Vaillant ecotec pro - ecotec, 28

Vaillant ecotec pro - ecotec, 28

£449.00 · Buy It Now

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Vaillant boiler filter - vaillant,

Vaillant boiler filter - vaillant,

£156.70 · Buy It Now

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Vaillant ecotec plus - ecotec,

Vaillant ecotec plus - ecotec,

£94.30 · Buy It Now

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Vaillant ecotec plus 824 831 - 824,

Vaillant ecotec plus 824 831 - 824,

£9.99 · Buy It Now

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Vaillant sensonet vr921 wall - vaillant,

Vaillant sensonet vr921 wall - vaillant,

£158.78 · Buy It Now

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Vaillant 0020025042 ecotec - 0020025042,

Vaillant 0020025042 ecotec - 0020025042,

£133.31 · Buy It Now

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Valiant ecotec plus 415 boiler - valiant,

Valiant ecotec plus 415 boiler - valiant,

£199.00 · Buy It Now

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Combi boiler fitted 400 - boiler, £400

Combi boiler fitted 400 - boiler, £400

£400.00 · Buy It Now

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Vaillant ecotec pro - vaillant, plus

Vaillant ecotec pro - vaillant, plus

£89.10 · Buy It Now

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Vaillant vsmart system - vaillant,

Vaillant vsmart system - vaillant,

£215.00 · Buy It Now

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Vaillant 470mm boiler flue - vaillant,

Vaillant 470mm boiler flue - vaillant,

£40.00 · Buy It Now

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Vaillant ecotec plus 824 - ecotec,

Vaillant ecotec plus 824 - ecotec,

£93.38 · Buy It Now

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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£219.99 · Buy It Now

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Vaillant 0010030632 genuine - 0010030632,

Vaillant 0010030632 genuine - 0010030632,

£73.88 · Buy It Now

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Vaillant ecotec plus 418 - vaillant,

Vaillant ecotec plus 418 - vaillant,

£125.72 · Buy It Now

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Vaillant ecotec pro - pro, &

Vaillant ecotec pro - pro, &

£48.57 · Buy It Now

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Vaillant ecotec plus 824 831 - vaillant,

Vaillant ecotec plus 824 831 - vaillant,

£34.99 · Buy It Now

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Vaillant system boiler - vaillant, tec

Vaillant system boiler - vaillant, tec

£135.12 · Buy It Now

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Vaillant horizontal flue - horizontal,

Vaillant horizontal flue - horizontal,

£42.30 · Buy It Now

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Brand new vaillant ecotec - brand,

Brand new vaillant ecotec - brand,

£63.10 · Buy It Now

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Vaillant sensohome vr92 - sensohome, vr92/3

Vaillant sensohome vr92 - sensohome, vr92/3

£74.99 · Buy It Now

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Worcester baxi - worcester,

Worcester baxi - worcester,

£399.00 · Buy It Now

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Vaillant ecotec expansion - vaillant,

Vaillant ecotec expansion - vaillant,

£49.99 · Buy It Now

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Worcester baxi vaillant - vaillant,

Worcester baxi vaillant - vaillant,

£400.00 · Buy It Now

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Vaillant ecofit pure 415 - pure,

Vaillant ecofit pure 415 - pure,

£260.70 · Buy It Now

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Vaillant 0020278309 22mm

Vaillant 0020278309 22mm

£149.32 · Buy It Now

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New vaillant degree boiler - new,

New vaillant degree boiler - new,

£39.99 · Buy It Now

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Vaillant ecotec pro - ecotec,

Vaillant ecotec pro - ecotec,

£109.99 · Buy It Now

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Vaillant ecotec plus 824 - vaillant, 831

Vaillant ecotec plus 824 - vaillant, 831

£49.99 · Buy It Now

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Vaillant degree boiler flue - 45,

Vaillant degree boiler flue - 45,

£26.70 · Buy It Now

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Vaillant ecotec pro 28 - ecotec,

Vaillant ecotec pro 28 - ecotec,

£10.99 · Buy It Now

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Vaillant boiler pcb - boiler,

Vaillant boiler pcb - boiler,

£87.50 · Buy It Now

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Vaillant eco tec - eco, range

Vaillant eco tec - eco, range

£94.30 · Buy It Now

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Vaillant ecotec plus - vaillant, 831

Vaillant ecotec plus - vaillant, 831

£49.99 · Buy It Now

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Vaillant ecotec pro 28 - 24,

Vaillant ecotec pro 28 - 24,

£8.85 · Buy It Now

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Vaillant boiler heat - heat, exchanger

Vaillant boiler heat - heat, exchanger

£297.10 · Buy It Now

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Vaillant ecotec expansion - vaillant,

Vaillant ecotec expansion - vaillant,

£49.99 · Buy It Now

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Vaillant 0010028086 brand - vaillant, new

Vaillant 0010028086 brand - vaillant, new

£104.70 · Buy It Now

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Vaillant ecotec pro - pro, 24

Vaillant ecotec pro - pro, 24

£33.90 · Buy It Now

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Vaillant ecotec plus - 824, 831

Vaillant ecotec plus - 824, 831

£102.50 · Buy It Now

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Vaillant ecofit pure boiler - pure,

Vaillant ecofit pure boiler - pure,

£43.99 · Buy It Now

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New vaillant ecotec pro 28 - pro,

New vaillant ecotec pro 28 - pro,

£9.99 · Buy It Now

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Vaillant 0020029604 impeller - vaillant,

Vaillant 0020029604 impeller - vaillant,

£4.92 · Buy It Now

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Vaillant 0020025042 pump - -, new

Vaillant 0020025042 pump - -, new

£69.99 · Buy It Now

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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£57.00 · Buy It Now

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Vaillant 303903 flue extension - 303903,

Vaillant 303903 flue extension - 303903,

£31.99 · Buy It Now

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Vaillant pcb genuine part - vaillant,

Vaillant pcb genuine part - vaillant,

£93.26 · Buy It Now

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Vaillant 308650 eco tec spacer - 308650, eco-tec

Vaillant 308650 eco tec spacer - 308650, eco-tec

£19.99 · Buy It Now

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Vaillant ecotec pro - pro, 24/28

Vaillant ecotec pro - pro, 24/28

£52.70 · Buy It Now

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Vaillant ecotec pro boiler - vaillant,

Vaillant ecotec pro boiler - vaillant,

£52.50 · Buy It Now

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Vaillant service cock - service,

Vaillant service cock - service,

£25.00 · Buy It Now

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Vaillant ecotec pro 28 - 24,

Vaillant ecotec pro 28 - 24,

£24.97 · Buy It Now

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Vaillant boiler flue adapter - ,

Vaillant boiler flue adapter - ,

£9.99 · Buy It Now

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Vaillant boiler pcb - vaillant, (2012)

Vaillant boiler pcb - vaillant, (2012)

£60.00 · Buy It Now

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Vaillant ecotec plus 415 418 - vaillant,

Vaillant ecotec plus 415 418 - vaillant,

£13.50 · Buy It Now

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Vaillant combi compact vcw - vaillant,

Vaillant combi compact vcw - vaillant,

£4.70 · Buy It Now

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Vaillant ecotec plus boiler - ecotec,

Vaillant ecotec plus boiler - ecotec,

£87.50 · Buy It Now

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Vaillant 114288 grey knobs - 114288,

Vaillant 114288 grey knobs - 114288,

£10.00 · Buy It Now

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Vaillant ecotec pro 30 - ecotec,

Vaillant ecotec pro 30 - ecotec,

£34.96 · Buy It Now

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Vaillant ecotec plus pro - vaillant,

Vaillant ecotec plus pro - vaillant,

£68.30 · Buy It Now

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Genuine vaillant ecotec plus - ecotec,

Genuine vaillant ecotec plus - ecotec,

£12.89 · Buy It Now

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Vaillant 161077 thermo - vaillant,

Vaillant 161077 thermo - vaillant,

£29.99 · Buy It Now

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Vaillant 193583 ecotec plus - vaillant,

Vaillant 193583 ecotec plus - vaillant,

£9.99 · Buy It Now

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Vaillant ecotec plus - vaillant, 831

Vaillant ecotec plus - vaillant, 831

£16.51 · Buy It Now

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Vaillant ecotec pro 30 - vaillant, 28

Vaillant ecotec pro 30 - vaillant, 28

£60.00 · Buy It Now

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Vaillant ecotec pump housing - vaillant,

Vaillant ecotec pump housing - vaillant,

£24.67 · Buy It Now

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Vaillant boiler pcb - boiler,

Vaillant boiler pcb - boiler,

£83.13 · Buy It Now

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Vaillant 181051 expansion - vaillant,

Vaillant 181051 expansion - vaillant,

£43.99 · Buy It Now

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Vaillant ecotec expansion - ecotec,

Vaillant ecotec expansion - ecotec,

£37.50 · Buy It Now

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Vaillant 0020223472 vertical - 0020223472,

Vaillant 0020223472 vertical - 0020223472,

£140.00 · Buy It Now

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Vaillant ecotec plus 824 831 - ecotec,

Vaillant ecotec plus 824 831 - ecotec,

£38.49 · Buy It Now

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0020038679 vaillant eco 613 - vaillant,

0020038679 vaillant eco 613 - vaillant,

£10.50 · Buy It Now

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Vaillant ecotec boiler fan - vaillant,

Vaillant ecotec boiler fan - vaillant,

£63.10 · Buy It Now

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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

£187.90 · Buy It Now

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Vaillant ecotec plus pro - vaillant,

Vaillant ecotec plus pro - vaillant,

£15.99 · Buy It Now

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Vaillant ecotec pro - vaillant,

Vaillant ecotec pro - vaillant,

£7.99 · Buy It Now

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Genuine vaillant ecotec - vaillant, pro

Genuine vaillant ecotec - vaillant, pro

£115.00 · Buy It Now

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Vaillant ecotec pro 28 - ecotec, 24

Vaillant ecotec pro 28 - ecotec, 24

£8.00 · Buy It Now

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Vaillant boiler pump - pump, head

Vaillant boiler pump - pump, head

£71.50 · Buy It Now

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Vaillant 0020135129 genuine - vaillant,

Vaillant 0020135129 genuine - vaillant,

£299.99 · Buy It Now

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Vaillant timeswitch 150 - vaillant,

Vaillant timeswitch 150 - vaillant,

£31.90 · Buy It Now

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Vaillant ecotec pro 28 - ecotec,

Vaillant ecotec pro 28 - ecotec,

£17.85 · Buy It Now

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Vaillant ecotec plus vuw - ecotec,

Vaillant ecotec plus vuw - ecotec,

£14.99 · Buy It Now

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Vaillant ecotec plus - plus, 824

Vaillant ecotec plus - plus, 824

£18.23 · Buy It Now

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Postage - postage, hinge)

Postage - postage, hinge)

£19.99 · Buy It Now

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Vaillant boiler water pressure - water,

Vaillant boiler water pressure - water,

£8.50 · Buy It Now

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Vaillant ecotec plus 612 615 - ecotec,

Vaillant ecotec plus 612 615 - ecotec,

£9.75 · Buy It Now

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Vaillant ecotec plus - plus, 940

Vaillant ecotec plus - plus, 940

£2499.00 · Buy It Now

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Vaillant ecotec plus 624 831 - vaillant,

Vaillant ecotec plus 624 831 - vaillant,

£89.60 · Buy It Now

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📊96 listings · from £4.7 · avg £114.78
⚠️ These listings were last updated more than 28 days ago. Search for fresh listings

Browse 96 vaillant boiler listings currently in our index. Prices range from £4.7 to £2499, with an average of £114.78. 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 →

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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 £4.7, while premium listings can reach £2499 — giving you a wide budget spread to work with. The average price of £114.78 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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