Vaillant boiler
Vaillant boiler for sale on Ireland's largest auction and classifieds sites
Vaillant 0020278309 22mm - £130.70
Vaillant 0020278309 22mm • Filter boiler protection • Kit ensure longevity - Free postage - New and Used
Vaillant 0020278309 22mm • Filter boiler protection • Kit ensure longevity - Free postage - New and Used
Vaillant advance boiler - vaillant, - £149.99
Vaillant advance boiler • Protection kit 22mm • 0010035819 integral part - Free postage - New and Used
Vaillant advance boiler • Protection kit 22mm • 0010035819 integral part - Free postage - New and Used
Vaillant standard horizontal - standard, - £69.45
Suitable vaillant erp • Boiler ranges non • Corrosive material flue - Free postage - New and Used
Suitable vaillant erp • Boiler ranges non • Corrosive material flue - 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 ecotec plus 418 - ecotec, - £277.38
Was fitted 2023 • Previous house owner • Who spent most - Free postage - New and Used
Was fitted 2023 • Previous house owner • Who spent most - Free postage - New and Used
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48 listings · from £3.95 · avg £152.87
Browse 48 vaillant boiler listings currently in our index. Prices range from £3.95 to £1249, with an average of £152.87. 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 →
Vaillant 0020223472 vertical - 0020223472, - £94.29
Brand new boxed • Unfortunately doesn come • Ceiling cover - Free postage - New and Used
Brand new boxed • Unfortunately doesn come • Ceiling cover - Free postage - New and Used
Vaillant vertical flue - flue, kit - £104.70
Vaillant vertical flue • Kit - Free postage - New and Used
Vaillant vertical flue • Kit - Free postage - New and Used
Vaillant ecotec pro - vaillant, & - £34.99
Ecotec pro • Pcb 0020132764 refurbished • Part number0020132764 044 - Free postage - New and Used
Ecotec pro • Pcb 0020132764 refurbished • Part number0020132764 044 - Free postage - New and Used
Vaillant degree boiler flue - vaillant, - £23.57
Vaillant degree boiler • Flue elbows pair • Genuine 303911 white - Free postage - New and Used
Vaillant degree boiler • Flue elbows pair • Genuine 303911 white - Free postage - New and Used
Vaillant system protection kit - system, - £135.90
Vaillant system protection • Kit new 22mm • Magnetic boiler filter - Free postage - New and Used
Vaillant system protection • Kit new 22mm • Magnetic boiler filter - Free postage - New and Used
Vaillant ecotec plus 618 - vaillant, - £1100.00
Here summary its • Standout points ebus • Technology this allows - Free postage - New and Used
Here summary its • Standout points ebus • Technology this allows - Free postage - New and Used
Vaillant ecotec pcb - vaillant, 0020132764 - £75.00
Vaillant ecotec pcb • Unit new unused • Unopened van stock - Free postage - New and Used
Vaillant ecotec pcb • Unit new unused • Unopened van stock - Free postage - New and Used
Vaillant ecofit pure - vaillant, - £28.99
Vaillant ecofit pure • 825 830 835 • Vuw boiler expansion - Free postage - New and Used
Vaillant ecofit pure • 825 830 835 • Vuw boiler expansion - Free postage - New and Used
Combi boiler fitted 400 - 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 eco tec pro - eco, - £100.00
Heating hot water • Vaillant eco tec • Pro boiler compact - Free postage - New and Used
Heating hot water • Vaillant eco tec • Pro boiler compact - Free postage - New and Used
Vaillant ecotec pro combi - ecotec, 30 - £1249.00
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
Vaillant ecotec plus - &, - £34.99
Vaillant ecotec plus • Pro pcb 0020132764 • Refurbished this aprofessionally - Free postage - New and Used
Vaillant ecotec plus • Pro pcb 0020132764 • Refurbished this aprofessionally - Free postage - New and Used
Vaillant ecotec pro 28 - ecotec, & - £10.99
Vaillant boiler spares • 2000 2001 • Ecomax 613 - Free postage - New and Used
Vaillant boiler spares • 2000 2001 • Ecomax 613 - Free postage - New and Used
Vaillant degree boiler flue - vaillant, - £26.44
Vaillant degree boiler • Flue elbows pair • Genuine 303911 storage - Free postage - New and Used
Vaillant degree boiler • Flue elbows pair • Genuine 303911 storage - Free postage - New and Used
Vaillant service cock - service, - £25.00
- Free postage - New and Used
- Free postage - New and Used
Vaillant ecotec pro heat - vaillant, 24 - £35.00
Will always help • You have 100 • Positive happy buying - Free postage - New and Used
Will always help • You have 100 • Positive happy buying - Free postage - New and Used
Vaillant ecotec plus - vaillant, - £187.90
Brand new original • Part - Free postage - New and Used
Brand new original • Part - Free postage - New and Used
Vaillant ecotec plus 824 - ecotec, 831 - £25.00
- Free postage - New and Used
- Free postage - New and Used
Vaillant main heat - main, - £156.70
242 1995 1999 • Turbomax vuw • 1998 2001 - Free postage - New and Used
242 1995 1999 • Turbomax vuw • 1998 2001 - Free postage - New and Used
Vaillant boiler pcb - vaillant, - £83.13
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 boiler service - service, kit - £27.50
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 ecotec vuw - ecotec, - £8.75
Vuw 256 044 • Ecofit pure • 825 combi - Free postage - New and Used
Vuw 256 044 • Ecofit pure • 825 combi - Free postage - New and Used
Vaillant ecotec plus pcb - vaillant, - £57.90
Board 0010047389 vaillant • Essential component specifically • Straightforward making ideal - Free postage - New and Used
Board 0010047389 vaillant • Essential component specifically • Straightforward making ideal - Free postage - New and Used
Worcester baxi vaillant - worcester, - £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
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 plus 837 - plus, 838 - £94.70
Ecotec plus 637 • 376 2015 onwards • 2012 2013 044 - Free postage - New and Used
Ecotec plus 637 • 376 2015 onwards • 2012 2013 044 - Free postage - New and Used
Vaillant 22mm advanced - -, - £229.50
Brand new filter • Year extended warranty • Code used - Free postage - New and Used
Brand new filter • Year extended warranty • Code used - Free postage - New and Used
Vaillant ecotec plus vuw 824 - vaillant, - £14.99
044 824 vuw • 386 2007 2016 • 246 2005 2012 - Free postage - New and Used
044 824 vuw • 386 2007 2016 • 246 2005 2012 - Free postage - New and Used
Vaillant ecotec pro vuw - ecotec, 28 - £60.00
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 ecotec plus - vaillant, - £34.99
Ecotec plus 612 • 824 831 837 • Pro pcb 0020132764 - Free postage - New and Used
Ecotec plus 612 • 824 831 837 • Pro pcb 0020132764 - Free postage - New and Used
Vaillant filling loop handles - vaillant, - £3.95
Filling loop handles • Vaillant ecotec plus • Pro printed strong - Free postage - New and Used
Filling loop handles • Vaillant ecotec plus • Pro printed strong - Free postage - New and Used
Vaillant 0020223472 vertical - vaillant, - £99.99
Product details suitable • Use all vaillant • Features vertical flue - Free postage - New and Used
Product details suitable • Use all vaillant • Features vertical flue - Free postage - New and Used
Vaillant boiler pump - boiler, - £33.98
Part 0010030632 taken • From working vaillant • Ecotec pro boiler - Free postage - New and Used
Part 0010030632 taken • From working vaillant • Ecotec pro boiler - Free postage - New and Used
Vaillant pump 0010030632 high - pump, - £73.50
Brand new vaillant • Eco tec pump • High efficiency genuine - Free postage - New and Used
Brand new vaillant • Eco tec pump • High efficiency genuine - Free postage - New and Used
Vaillant ecotec pcb - ecotec, 0020132764 - £78.69
Water heater this • Vailant ecotec pcb • 0020132764 brand new - Free postage - New and Used
Water heater this • Vailant ecotec pcb • 0020132764 brand new - Free postage - New and Used
Vaillant ecotec flue adaptor - vaillant, - £26.81
Vaillant ecotec flue • Turret adaptor - Free postage - New and Used
Vaillant ecotec flue • Turret adaptor - Free postage - New and Used
Vaillant 0020148383 ecotec - vaillant, - £119.50
Vaillant ecotec plus • Part number 0020148383 • Boiler - Free postage - New and Used
Vaillant ecotec plus • Part number 0020148383 • Boiler - Free postage - New and Used
Vaillant sustain 825 - sustain, & - £64.99
Vaillant sustain 825 • 830 vuw boiler • Pump motor 0020231141 - Free postage - New and Used
Vaillant sustain 825 • 830 vuw boiler • Pump motor 0020231141 - Free postage - New and Used
Vaillant 252457 boiler - vaillant, - £33.00
Heating hot water • Vaillant 252457 combi • Boiler diverter valve - Free postage - New and Used
Heating hot water • Vaillant 252457 combi • Boiler diverter valve - Free postage - New and Used
Vaillant heatexchanger - vaillant, - £250.00
New heatexchanger - Free postage - New and Used
New heatexchanger - Free postage - New and Used
Vaillant ecotec plus 831 vuw - ecotec, - £57.00
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 eco tec range - vaillant, boiler - £109.90
Vaillant ecolevel condensate • Pump has been • Solve problems encountered - Free postage - New and Used
Vaillant ecolevel condensate • Pump has been • Solve problems encountered - Free postage - New and Used
Vaillant ecotec plus 824 - plus, - £99.89
Ecotec plus 612 • 126 2015 onwards • 2012 2013 044 - Free postage - New and Used
Ecotec plus 612 • 126 2015 onwards • 2012 2013 044 - Free postage - New and Used
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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 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 £3.95, while premium listings can reach £1249 — giving you a wide budget spread to work with. The average price of £152.87 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.