For Sale UK

120mm to 100mm reducer

4

120mm to 100mm reducer for sale on largest auction and classifieds sites

Home / Plumbing & Fixtures / 120mm to 100mm reducer refurbished & used for sale | For Sale UK
Brand new duct reducer 120mm - brand-new,

Brand new duct reducer 120mm - brand-new,

£6.94
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Easy install solution - 120mm, to

Easy install solution - 120mm, to

£7.49
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Easy install solution 120mm - 120mm, to

Easy install solution 120mm - 120mm, to

£8.81
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Brand new duct - duct, reducer

Brand new duct - duct, reducer

£9.26
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100mm 120mm ventilation - 100mm, to

100mm 120mm ventilation - 100mm, to

£8.49
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100mm 120mm ventilation - 100mm, to

100mm 120mm ventilation - 100mm, to

£8.49
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Duct reducer 120mm - 120mm, to

Duct reducer 120mm - 120mm, to

£8.46
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Brand new duct - brand-new,

Brand new duct - brand-new,

£8.33
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Easy use duct - use, reducer

Easy use duct - use, reducer

£7.37
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Dust extraction hose reducer - dust,

Dust extraction hose reducer - dust,

£25.00
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Reducer for flue pipes 120mm - reducer,

Reducer for flue pipes 120mm - reducer,

£10.36
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Easy use duct reducer - to,

Easy use duct reducer - to,

£7.07
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Brand new duct reducer 120mm - duct,

Brand new duct reducer 120mm - duct,

£7.63
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Brand new duct - brand-new,

Brand new duct - brand-new,

£7.38
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Precise size reduction - precise,

Precise size reduction - precise,

£9.78
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Application silver stainless - application,

Application silver stainless - application,

£9.18
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Duct reducer 120mm 100mm - 120mm, to

Duct reducer 120mm 100mm - 120mm, to

£8.19
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Brand new duct - brand-new, 120mm

Brand new duct - brand-new, 120mm

£8.46
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Material reliable connection - material,

Material reliable connection - material,

£8.15
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Enhance your ventilation - enhance,

Enhance your ventilation - enhance,

£8.77
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Reducer for flue - flue, pipes

Reducer for flue - flue, pipes

£9.49
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Duct reducer 120mm - 120mm, to

Duct reducer 120mm - 120mm, to

£8.19
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Robust stainless steel flue - robust,

Robust stainless steel flue - robust,

£8.34
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For stove flue pipe reducer - stove,

For stove flue pipe reducer - stove,

£9.35
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Flue pipe with stainless - flue,

Flue pipe with stainless - flue,

£8.64
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Chimney pipe reducer 120mm - 120mm, to

Chimney pipe reducer 120mm - 120mm, to

£12.71
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Easy install round - easy, to

Easy install round - easy, to

£7.39
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Smoke venting reducer pipe - reducer,

Smoke venting reducer pipe - reducer,

£11.48
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Bend type reducing pipe - reducing, for

Bend type reducing pipe - reducing, for

£9.11
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Efficient ventilation silver - ventilation,

Efficient ventilation silver - ventilation,

£7.63
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120mm 100mm reducing - 120mm,

120mm 100mm reducing - 120mm,

£8.70
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Reducer flue pipe for - reducer,

Reducer flue pipe for - reducer,

£8.98
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Silver flue pipe reducer for - silver,

Silver flue pipe reducer for - silver,

£7.57
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For stove flue pipe reducer - for,

For stove flue pipe reducer - for,

£8.83
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Efficient flue pipe reducer - efficient,

Efficient flue pipe reducer - efficient,

£9.35
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Efficient flue pipe reducer - flue,

Efficient flue pipe reducer - flue,

£9.90
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Reducer flue pipe for stove - reducer,

Reducer flue pipe for stove - reducer,

£9.37
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120mm 100mm diameter - 120mm,

120mm 100mm diameter - 120mm,

£9.30
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Chimney pipe reducer 120mm - pipe,

Chimney pipe reducer 120mm - pipe,

£9.84
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Chimney pipe reducer 120mm - pipe, to

Chimney pipe reducer 120mm - pipe, to

£9.98
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Efficient flue pipe reducer - flue,

Efficient flue pipe reducer - flue,

£11.35
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Robust stainless steel flue - stainless,

Robust stainless steel flue - stainless,

£8.99
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Smoke venting reducer pipe - smoke,

Smoke venting reducer pipe - smoke,

£8.98
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Flue pipe with stainless steel - flue,

Flue pipe with stainless steel - flue,

£13.36
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Efficient flue pipe - efficient, reducer

Efficient flue pipe - efficient, reducer

£8.98
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Ventilation flue reducer - ventilation,

Ventilation flue reducer - ventilation,

£9.82
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Flue pipe with - flue, stainless

Flue pipe with - flue, stainless

£8.98
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Efficient ventilation silver - efficient,

Efficient ventilation silver - efficient,

£8.96
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Chimney pipe reducer - pipe,

Chimney pipe reducer - pipe,

£9.49
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Ventilation flue reducer pipe - flue,

Ventilation flue reducer pipe - flue,

£9.73
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Stainless steel 120mm 100mm - stainless,

Stainless steel 120mm 100mm - stainless,

£9.82
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Robust stainless steel flue - steel,

Robust stainless steel flue - steel,

£9.73
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Reducer for flue - flue, 120mm

Reducer for flue - flue, 120mm

£9.84
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Reducer for flue pipes - reducer,

Reducer for flue pipes - reducer,

£9.84
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Stainless steel chimney - stainless,

Stainless steel chimney - stainless,

£8.77
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Mobi aluminium duct reducer - ap,

Mobi aluminium duct reducer - ap,

£11.03
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Ventilation flue reducer pipe - ventilation,

Ventilation flue reducer pipe - ventilation,

£8.30
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Bend style flue - style, pipe

Bend style flue - style, pipe

£10.07
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Flue pipe with stainless steel - pipe,

Flue pipe with stainless steel - pipe,

£9.85
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Stainless steel bend type - steel,

Stainless steel bend type - steel,

£9.37
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Bend style flue - flue, pipe

Bend style flue - flue, pipe

£9.78
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Reducer for flue - reducer, pipes

Reducer for flue - reducer, pipes

£12.71
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Stainless steel flue pipe - steel,

Stainless steel flue pipe - steel,

£9.78
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120mm 100mm reducing - reducing, flue

120mm 100mm reducing - reducing, flue

£10.94
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120mm 100mm reducing flue - reducing,

120mm 100mm reducing flue - reducing,

£9.16
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Silver flue pipe reducer for - silver,

Silver flue pipe reducer for - silver,

£7.66
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Stainless steel chimney - stainless,

Stainless steel chimney - stainless,

£9.17
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Bend type reducing - bend, pipe

Bend type reducing - bend, pipe

£9.54
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Bend type reducing pipe for - bend,

Bend type reducing pipe for - bend,

£9.52
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Stainless steel bend - stainless,

Stainless steel bend - stainless,

£8.98
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Reducer flue pipe for stove - pipe,

Reducer flue pipe for stove - pipe,

£11.77
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Reducer for flue pipes - for, 120mm

Reducer for flue pipes - for, 120mm

£9.35
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Stainless steel flue adapter - steel,

Stainless steel flue adapter - steel,

£9.28
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Flue pipe connector reduces - pipe,

Flue pipe connector reduces - pipe,

£8.98
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Ventilation flue reducer pipe - flue,

Ventilation flue reducer pipe - flue,

£9.18
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Flue pipe with stainless steel - pipe,

Flue pipe with stainless steel - pipe,

£9.52
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Stainless steel flue - stainless,

Stainless steel flue - stainless,

£9.73
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Stainless steel flue adapter - steel,

Stainless steel flue adapter - steel,

£9.00
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Flue pipe connector - flue,

Flue pipe connector - flue,

£8.76
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Stainless steel flue adapter - flue,

Stainless steel flue adapter - flue,

£10.36
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Stainless steel flue - stainless,

Stainless steel flue - stainless,

£9.20
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Stainless steel flue adapter - stainless,

Stainless steel flue adapter - stainless,

£13.38
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Stainless steel flue pipe - steel,

Stainless steel flue pipe - steel,

£9.18
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Elbow type reducer for flue - elbow,

Elbow type reducer for flue - elbow,

£22.80
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Brand new duct reducer 120mm - brand-new,

Brand new duct reducer 120mm - brand-new,

£6.99
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Stainless steel 120mm 100mm - steel,

Stainless steel 120mm 100mm - steel,

£15.76
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Stainless steel elbow reducer - stainless,

Stainless steel elbow reducer - stainless,

£16.24
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📊87 listings · from £6.94 · avg £9.77
⚠️ These listings were last updated more than 15 days ago. Search for fresh listings

Browse 87 120mm to 100mm reducer listings currently in our index. Prices range from £6.94 to £25, with an average of £9.77. 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 120mm to 100mm reducer →

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Everything you need to know about 120mm to 100mm reducer

Whether you are looking for a brand-new or second-hand 120mm to 100mm reducer, eBay offers one of the largest selections available online. With 87 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 £6.94, while premium listings can reach £25 — giving you a wide budget spread to work with. The average price of £9.77 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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