Vaillant combi boiler
Vaillant combi boiler for sale on Ireland's largest auction and classifieds sites
Vaillant ecotec plus 624 - ecotec, - £454.78
Ecotec plus 624 • System boiler high • Quality heating solution - Free postage - New and Used
Ecotec plus 624 • System boiler high • Quality heating solution - Free postage - New and Used
Combi boiler fitted 399 - combi, - £400.00
Baxi combi boilers • From 199 vaillant • Viessmann ideal glow - Free postage - New and Used
Baxi combi boilers • From 199 vaillant • Viessmann ideal glow - Free postage - New and Used
Vaillant ecotec pro combi - pro, - £1199.99
Vaillant ecotec pro • Combi boiler 30kw • Horizontal flue 0010021837 - Free postage - New and Used
Vaillant ecotec pro • Combi boiler 30kw • Horizontal flue 0010021837 - Free postage - New and Used
Worcester baxi - worcester, • - £399.00
Baxi combi boilers • From 199 ask • Our full price - Free postage - New and Used
Baxi combi boilers • From 199 ask • Our full price - Free postage - New and Used
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Vaillant ecofit pure 835 combi - pure, - £2156.99
Ecofit pure 835 • Provides excellent hot • Water flow rate - Free postage - New and Used
Ecofit pure 835 • Provides excellent hot • Water flow rate - Free postage - New and Used
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48 listings · from £4.7 · avg £551.5
⚠️ These listings were last updated more than 16 days ago.
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Browse 48 vaillant combi boiler listings currently in our index. Prices range from £4.7 to £2499, with an average of £551.5. 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 combi boiler →
Vaillant ecofit pure 825 combi - pure, - £1128.70
Natural gas heating • Features stainless steel • Tank lining - Free postage - New and Used
Natural gas heating • Features stainless steel • Tank lining - Free postage - New and Used
Vaillant ecotec plus - plus, 832 - £2305.99
Vaillant ecotec plus • 832 premium 32kw • Combi boiler high - Free postage - New and Used
Vaillant ecotec plus • 832 premium 32kw • Combi boiler high - Free postage - New and Used
Vaillant ecomax 613 - , - £83.90
Vaillant ecomax front • Cover good condition • Sorry about pics - Free postage - New and Used
Vaillant ecomax front • Cover good condition • Sorry about pics - Free postage - New and Used
Vaillant ecofit pure - vaillant, - £28.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecotec plus 824 combi - 824, - £1331.68
Vaillant ecotec plus • 824 combi boiler • Very good condition - Free postage - New and Used
Vaillant ecotec plus • 824 combi boiler • Very good condition - Free postage - New and Used
Vaillant ecotec plus 824 - 824, combi - £1127.68
Vaillant ecotec plus • 824 combi boiler • Very good condition - Free postage - New and Used
Vaillant ecotec plus • 824 combi boiler • Very good condition - Free postage - New and Used
Vaillant combi compact vcw - vaillant, - £4.70
Vaillant combi compact • Vcw 282e boiler • Will always help - Free postage - New and Used
Vaillant combi compact • Vcw 282e boiler • Will always help - Free postage - New and Used
Vaillant ecofit pure - vaillant, - £25.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecotec pro - ecotec, - £1165.00
- Free postage - New and Used
- Free postage - New and Used
Vaillant ecotec plus 840 - 840, 40kw - £1999.99
Vaillant ecotec plus • 40kw combi boiler • 0010036018 flue 1999 - Free postage - New and Used
Vaillant ecotec plus • 40kw combi boiler • 0010036018 flue 1999 - Free postage - New and Used
Vaillant ecotec plus 832 - vaillant, - £1750.00
Vaillant ecotec plus • 832 32kw combi • Boiler 0010036016 - Free postage - New and Used
Vaillant ecotec plus • 832 32kw combi • Boiler 0010036016 - Free postage - New and Used
Vaillant ecofit pure - vaillant, - £25.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure 825 830 - vaillant, & - £28.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecotec sustain 28kw - vaillant, - £873.70
- Free postage - New and Used
- Free postage - New and Used
Vaillant ecofit pure 825 - ecofit, - £28.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant 0020244433 ecofit - 0020244433, - £26.50
Upgrade your boiler • Performance this professionally • Refurbished vaillant display - Free postage - New and Used
Upgrade your boiler • Performance this professionally • Refurbished vaillant display - Free postage - New and Used
Vaillant ecofit pure - pure, combi - £1399.00
Compact kitchen cupboard • Fit flow rate • 14.1lpm instant hot - Free postage - New and Used
Compact kitchen cupboard • Fit flow rate • 14.1lpm instant hot - Free postage - New and Used
Vaillant combi compact vcw - combi, - £9.03
Once have received • Part will inspected • Tested our engineers - Free postage - New and Used
Once have received • Part will inspected • Tested our engineers - Free postage - New and Used
Vaillant ecofit pure - vaillant, - £22.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure 825 830 - ecofit, & - £24.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure 825 830 - ecofit, & - £15.95
Vaillant vuw 246 • 376 2012 curr • 386 2007 2010 - Free postage - New and Used
Vaillant vuw 246 • 376 2012 curr • 386 2007 2010 - Free postage - New and Used
Vaillant ecofit pure 825 - ecofit, 830 - £28.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure 825 830 - vaillant, - £28.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Combi boiler supply - supply, & - £1026.69
- Free postage - New and Used
- Free postage - New and Used
Vaillant combi boiler supply - vaillant, & - £1025.68
Erp condensing gas • Combi boiler • Vaillant ecofit pure - Free postage - New and Used
Erp condensing gas • Combi boiler • Vaillant ecofit pure - Free postage - New and Used
Vaillant ecotec plus - vaillant, - £2499.00
Vaillant ecotec plus • 940 40kw combi • Boiler 0010036114 this - Free postage - New and Used
Vaillant ecotec plus • 940 40kw combi • Boiler 0010036114 this - Free postage - New and Used
399 vat your boiler flue - £399, boiler+flue - £399.00
New combi boiler • Swap only 399 • Conventional system tank - Free postage - New and Used
New combi boiler • Swap only 399 • Conventional system tank - Free postage - New and Used
Vaillant ecofit pure - pure, 825 - £28.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure - vaillant, - £25.99
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 - Free postage - New and Used
Vaillant ecofit pure 825 - vaillant, - £52.44
Fans fan coils • Motors failing due • Boiler overheating will - Free postage - New and Used
Fans fan coils • Motors failing due • Boiler overheating will - Free postage - New and Used
Vaillant ecofit pure 825 830 - vaillant, & - £52.44
Fans fan coils • Motors failing due • Boiler overheating will - Free postage - New and Used
Fans fan coils • Motors failing due • Boiler overheating will - Free postage - New and Used
Vaillant home combi - vaillant, - £22.99
Vaillant sustain - Free postage - New and Used
Vaillant sustain - Free postage - New and Used
Vaillant home combi 35 - home, 35-a - £22.99
Vaillant sustain - Free postage - New and Used
Vaillant sustain - Free postage - New and Used
Vaillant ecotec plus - vaillant, 836 - £1880.00
Vaillant ecotec plus • 836 36kw combi • Boiler 0010036017 flue - Free postage - New and Used
Vaillant ecotec plus • 836 36kw combi • Boiler 0010036017 flue - Free postage - New and Used
Worcester•Baxi•Vaillant• - £400.00
Baxi combi boilers • From 199 ask • Our full price - Free postage - New and Used
Baxi combi boilers • From 199 ask • Our full price - Free postage - New and Used
Vaillant ecofit pure 825 - ecofit, - £21.50
Brand new box • Returns - Free postage - New and Used
Brand new box • Returns - Free postage - New and Used
Vaillant combi compact vcw - combi, - £13.75
Fans fan coils • Motors failing due • Boiler overheating will - Free postage - New and Used
Fans fan coils • Motors failing due • Boiler overheating will - Free postage - New and Used
Vaillant home combi - combi, 35-a - £25.99
Vaillant sustain - Free postage - New and Used
Vaillant sustain - Free postage - New and Used
Vaillant ecotec pro combi - ecotec, h - £45.90
Vaillant ecotec pro • Part number 0020020015 • Vuw 246 2012 - Free postage - New and Used
Vaillant ecotec pro • Part number 0020020015 • Vuw 246 2012 - Free postage - New and Used
Vaillant home combi 30 - home, - £22.99
Vaillant sustain - Free postage - New and Used
Vaillant sustain - Free postage - New and Used
Vaillant home combi 35 a - 25, 35-a - £28.99
Vaillant sustain - Free postage - New and Used
Vaillant sustain - Free postage - New and Used
Worcester baxi vaillant - baxi, - £400.00
Baxi combi boilers • From 199 ask • Our full price - Free postage - New and Used
Baxi combi boilers • From 199 ask • Our full price - Free postage - New and Used
399 vat your boiler - vat, boiler+flue - £399.00
New combi boiler • Swap only 399 • Conventional system tank - Free postage - New and Used
New combi boiler • Swap only 399 • Conventional system tank - Free postage - New and Used
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Everything you need to know about vaillant combi boiler
Whether you are looking for a brand-new or second-hand vaillant combi boiler, eBay offers one of the largest selections available online. With 48 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 £551.5 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.