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Vaillant boiler flue

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Vaillant standard horizontal - standard,

Vaillant standard horizontal - standard,

£69.45
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Vaillant standard horizontal - vaillant,

Vaillant standard horizontal - vaillant,

£65.00
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Vaillant ecotec sustain - vaillant, 28

Vaillant ecotec sustain - vaillant, 28

£999.99
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Vaillant terminal plume - vaillant,

Vaillant terminal plume - vaillant,

£75.00
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Vaillant flue test point cap - flue,

Vaillant flue test point cap - flue,

£9.73
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New vaillant degree boiler - degree,

New vaillant degree boiler - degree,

£34.00
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Vaillant boiler flue adapter - boiler,

Vaillant boiler flue adapter - boiler,

£9.99
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Vaillant flue horizontal - flue,

Vaillant flue horizontal - flue,

£61.98
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Vaillant flue connect kit - flue,

Vaillant flue connect kit - flue,

£16.15
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Vaillant 0020223472 vertical - 0020223472,

Vaillant 0020223472 vertical - 0020223472,

£129.99
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Vaillant flue extension - flue,

Vaillant flue extension - flue,

£21.50
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Vaillant flue - vaillant,

Vaillant flue - vaillant,

£40.22
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Vaillant flue elbow 100 - elbow, 60/100

Vaillant flue elbow 100 - elbow, 60/100

£23.58
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Boiler flue rain snow cover - boiler,

Boiler flue rain snow cover - boiler,

£13.56
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Vaillant 0020219517 ecotec - vaillant,

Vaillant 0020219517 ecotec - vaillant,

£115.00
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Vaillant ecotec pro combi - vaillant, 30

Vaillant ecotec pro combi - vaillant, 30

£1249.00
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Boiler flue cover shroud - cover/, for

Boiler flue cover shroud - cover/, for

£34.99
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Vaillant 0020219534 deflector - vaillant,

Vaillant 0020219534 deflector - vaillant,

£39.50
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Vaillant 303903 eco tec - 303903, 1m

Vaillant 303903 eco tec - 303903, 1m

£94.30
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Vaillant variable termination - vaillant,

Vaillant variable termination - vaillant,

£70.00
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New boxed vaillant 90 - new, 90°

New boxed vaillant 90 - new, 90°

£37.09
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Boiler flue rain snow - boiler,

Boiler flue rain snow - boiler,

£14.85
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Vaillant glowworm boiler - glowworm, top

Vaillant glowworm boiler - glowworm, top

£5.44
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New boxed vaillant 90 - &,

New boxed vaillant 90 - &,

£31.89
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New vaillant degree boiler - degree,

New vaillant degree boiler - degree,

£39.99
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Vaillant meter flue - vaillant,

Vaillant meter flue - vaillant,

£25.00
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Vaillant 303903 flue - 303903, extension

Vaillant 303903 flue - 303903, extension

£31.50
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Vaillant 303910 flue bend - vaillant, new

Vaillant 303910 flue bend - vaillant, new

£34.50
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Vaillant 076560 flue - -,

Vaillant 076560 flue - -,

£52.70
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Vaillant ecotec pro - 28, combi

Vaillant ecotec pro - 28, combi

£1199.00
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Vaillant 0020219517 horizontal - vaillant,

Vaillant 0020219517 horizontal - vaillant,

£84.00
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Vaillant flue elbow - flue, 60/100

Vaillant flue elbow - flue, 60/100

£26.70
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Vaillant 0020223472 vertical - 0020223472,

Vaillant 0020223472 vertical - 0020223472,

£140.00
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Genuine vaillant black boiler - genuine,

Genuine vaillant black boiler - genuine,

£15.61
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Vaillant flue adaptor - vaillant,

Vaillant flue adaptor - vaillant,

£4.99
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Vaillant flue extention - 1m,

Vaillant flue extention - 1m,

£26.70
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Vaillant ecotec flue support - flue,

Vaillant ecotec flue support - flue,

£16.15
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Vaillant standard horizontal - vaillant,

Vaillant standard horizontal - vaillant,

£68.29
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Vaillant vertical flue - flue, part

Vaillant vertical flue - flue, part

£139.99
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Vaillant ecotec plus 635 35kw - plus,

Vaillant ecotec plus 635 35kw - plus,

£1960.00
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Vaillant 0020219540 flue - vaillant,

Vaillant 0020219540 flue - vaillant,

£18.99
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Vaillant standard horizontal - vaillant,

Vaillant standard horizontal - vaillant,

£78.70
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Vaillant standard horizontal - standard,

Vaillant standard horizontal - standard,

£70.00
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Vaillant 0020219517 standard - vaillant,

Vaillant 0020219517 standard - vaillant,

£70.00
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Vaillant vertical flue - vaillant,

Vaillant vertical flue - vaillant,

£125.50
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Vaillant standard horizontal - vaillant,

Vaillant standard horizontal - vaillant,

£68.30
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Vaillant angle flue bends - angle,

Vaillant angle flue bends - angle,

£29.82
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Brand new vaillant - new, vertical

Brand new vaillant - new, vertical

£144.99
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Vaillant flue bend degrees - vaillant,

Vaillant flue bend degrees - vaillant,

£25.66
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Vaillant 0020219517 standard - vaillant,

Vaillant 0020219517 standard - vaillant,

£68.29
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Vaillant degree boiler flue - vaillant, 45

Vaillant degree boiler flue - vaillant, 45

£31.90
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Vaillant degree flue bend - 45,

Vaillant degree flue bend - 45,

£34.50
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Vaillant 1mt boiler - vaillant,

Vaillant 1mt boiler - vaillant,

£21.50
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Vaillant 128087 dn60 - vaillant,

Vaillant 128087 dn60 - vaillant,

£24.99
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Vaillant boiler flue - vaillant,

Vaillant boiler flue - vaillant,

£6.30
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Vaillant 303821 pack flue - vaillant, 5

Vaillant 303821 pack flue - vaillant, 5

£18.49
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Vaillant ecotec plus 824 - vaillant,

Vaillant ecotec plus 824 - vaillant,

£24.00
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Vaillant degree boiler flue - vaillant, 90

Vaillant degree boiler flue - vaillant, 90

£31.90
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Vaillant ecotec flue support - ecotec,

Vaillant ecotec flue support - ecotec,

£17.99
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Vaillant 100mm horizontal - 100mm, flue

Vaillant 100mm horizontal - 100mm, flue

£69.34
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Vaillant boiler flue - ,

Vaillant boiler flue - ,

£11.01
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Vaillant boiler flue adapter - vaillant,

Vaillant boiler flue adapter - vaillant,

£10.75
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Vaillant flue clamp - vaillant, x

Vaillant flue clamp - vaillant, x

£16.52
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Vallient flue parts - flue,

Vallient flue parts - flue,

£94.30
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Vaillant 125 flue - 1m,

Vaillant 125 flue - 1m,

£37.10
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Vaillant eco max - tec, plus

Vaillant eco max - tec, plus

£12.00
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Vaillant 470mm boiler flue - 470mm,

Vaillant 470mm boiler flue - 470mm,

£40.00
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Brand new vaillant flue - brand,

Brand new vaillant flue - brand,

£34.99
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Vaillant horizontal flue - horizontal,

Vaillant horizontal flue - horizontal,

£104.70
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Vaillant 0020219517 standard - vaillant,

Vaillant 0020219517 standard - vaillant,

£78.70
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Vaillant ecotec flue adaptor - vaillant,

Vaillant ecotec flue adaptor - vaillant,

£10.80
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Vaillant flue terminal - vaillant,

Vaillant flue terminal - vaillant,

£19.35
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Genuine vaillant black - vaillant, boiler

Genuine vaillant black - vaillant, boiler

£19.95
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Vaillant ecotec pro - 28, &

Vaillant ecotec pro - 28, &

£20.43
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Vaillant 303903 flue extension - flue,

Vaillant 303903 flue extension - flue,

£30.86
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Vaillant boiler flue support - flue,

Vaillant boiler flue support - flue,

£4.38
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Vaillant ecomax 824 828 - ecomax, 824/2

Vaillant ecomax 824 828 - ecomax, 824/2

£7.89
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Vaillant flue pipe - vaillant, (end

Vaillant flue pipe - vaillant, (end

£9.30
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Vaillant air flue duct - vaillant,

Vaillant air flue duct - vaillant,

£34.99
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Vaillant flue elbow - vaillant, 90°

Vaillant flue elbow - vaillant, 90°

£39.99
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Vaillant 303821 pack - 303821, of

Vaillant 303821 pack - 303821, of

£11.87
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Universal adjustable flue - universal,

Universal adjustable flue - universal,

£6.52
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Brand new vaillant 303903 - brand,

Brand new vaillant 303903 - brand,

£44.99
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Vaillant glowworm boiler top - glowworm,

Vaillant glowworm boiler top - glowworm,

£5.00
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Vaillant 303903 100mm pp - vaillant, 60/100mm

Vaillant 303903 100mm pp - vaillant, 60/100mm

£25.52
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Vaillant 100 flue bend - 45,

Vaillant 100 flue bend - 45,

£16.15
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New vaillant flue - flue, gas

New vaillant flue - flue, gas

£99.95
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Vaillant eco max tec - eco, boiler

Vaillant eco max tec - eco, boiler

£22.99
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Vaillant 0020223472 vertical - vaillant,

Vaillant 0020223472 vertical - vaillant,

£146.30
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Vaillant flue terminal - flue,

Vaillant flue terminal - flue,

£21.50
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Vaillant horizontal flue - horizontal,

Vaillant horizontal flue - horizontal,

£37.10
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Vaillant 303903 flue - vaillant, 1m

Vaillant 303903 flue - vaillant, 1m

£26.18
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Vaillant horizontal flue - horizontal,

Vaillant horizontal flue - horizontal,

£89.95
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Vaillant flue extension - 3×,

Vaillant flue extension - 3×,

£52.70
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Vaillant ecotec plus - plus, 40kw

Vaillant ecotec plus - plus, 40kw

£1999.99
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Vaillant ecotec plus 940 - vaillant,

Vaillant ecotec plus 940 - vaillant,

£2499.00
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📊96 listings · from £4.38 · avg £144.29

Browse 96 vaillant boiler flue listings currently in our index. Prices range from £4.38 to £2499, with an average of £144.29. 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 flue →

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Everything you need to know about vaillant boiler flue

Whether you are looking for a brand-new or second-hand vaillant boiler flue, 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 £4.38, while premium listings can reach £2499 — giving you a wide budget spread to work with. The average price of £144.29 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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