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Home / Heating, Cooling & Air / Fernox refurbished & used for sale | For Sale UK
Fernox protector f3 - protector, &

Fernox protector f3 - protector, &

£13.00 · Buy It Now

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Fernox express leak sealer - f4,

Fernox express leak sealer - f4,

£15.08 · Buy It Now

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Fernox protector f3 - protector,

Fernox protector f3 - protector,

£15.03 · Buy It Now

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Fernox express 400ml - express,

Fernox express 400ml - express,

£20.42 · Buy It Now

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Fernox central heating - fernox,

Fernox central heating - fernox,

£14.99 · Buy It Now

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Fernox central heating - central,

Fernox central heating - central,

£13.59 · Buy It Now

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Fernox tf1 omega 22mm boiler - fernox,

Fernox tf1 omega 22mm boiler - fernox,

£52.70 · Buy It Now

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Fernox silicone paste for - ls-x,

Fernox silicone paste for - ls-x,

£7.39 · Buy It Now

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Fernox f3 central - &, heating

Fernox f3 central - &, heating

£10.00 · Buy It Now

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Fernox cleaner 265ml - fernox, f3

Fernox cleaner 265ml - fernox, f3

£4.00 · Buy It Now

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Fernox f3 central heating - fernox,

Fernox f3 central heating - fernox,

£52.70 · Buy It Now

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Fernox 500ml central - f3,

Fernox 500ml central - f3,

£13.50 · Buy It Now

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Fernox f3 central heating - fernox,

Fernox f3 central heating - fernox,

£10.80 · Buy It Now

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Fernox protector 56599 - 10, x

Fernox protector 56599 - 10, x

£149.99 · Buy It Now

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Fernox f3 twin - &,

Fernox f3 twin - &,

£10.80 · Buy It Now

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Fernox express leak sealer - fernox, f4

Fernox express leak sealer - fernox, f4

£25.66 · Buy It Now

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New fernox central heating - new,

New fernox central heating - new,

£10.79 · Buy It Now

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Fernox f3 central heating - central,

Fernox f3 central heating - central,

£11.33 · Buy It Now

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Fernox tf1 omega - filter, brand

Fernox tf1 omega - filter, brand

£61.99 · Buy It Now

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Fernox iinhibitor central - fernox, f1

Fernox iinhibitor central - fernox, f1

£6.52 · Buy It Now

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Fernox biocide 200ml - fernox, f7

Fernox biocide 200ml - fernox, f7

£28.26 · Buy It Now

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Fernox central heating - central,

Fernox central heating - central,

£5.45 · Buy It Now

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Fernox 56599 500 - 56599,

Fernox 56599 500 - 56599,

£118.22 · Buy It Now

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Fernox jointing compound - fernox, ls-x

Fernox jointing compound - fernox, ls-x

£7.29 · Buy It Now

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Fernox boiler noise - fernox,

Fernox boiler noise - fernox,

£26.95 · Buy It Now

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Fernox tf1 omega - tf1, magnetic

Fernox tf1 omega - tf1, magnetic

£56.86 · Buy It Now

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Fernox central heating - fernox,

Fernox central heating - fernox,

£20.00 · Buy It Now

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Fernox limescale remover - fernox, ds-3

Fernox limescale remover - fernox, ds-3

£30.95 · Buy It Now

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Fernox central heating - central,

Fernox central heating - central,

£7.68 · Buy It Now

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Fernox tf1 omega - fernox, inline

Fernox tf1 omega - fernox, inline

£70.00 · Buy It Now

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Fernox 61016 leak - fernox, ls-x

Fernox 61016 leak - fernox, ls-x

£17.99 · Buy It Now

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Fernox tf1 filter - fernox,

Fernox tf1 filter - fernox,

£47.50 · Buy It Now

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Fernox external leak - external,

Fernox external leak - external,

£7.29 · Buy It Now

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Fernox magnetic scale reducer - magnetic,

Fernox magnetic scale reducer - magnetic,

£15.08 · Buy It Now

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Fernox super strength - fernox, f8

Fernox super strength - fernox, f8

£16.15 · Buy It Now

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Fernox 59288 tf1 - tf1, &

Fernox 59288 tf1 - tf1, &

£4.29 · Buy It Now

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1000mm length fernox lead - of,

1000mm length fernox lead - of,

£6.99 · Buy It Now

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Fernox 62454 central - f1,

Fernox 62454 central - f1,

£13.99 · Buy It Now

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Fernox tf1 sigma filter - tf1,

Fernox tf1 sigma filter - tf1,

£40.92 · Buy It Now

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New fernox 56600 - new,

New fernox 56600 - new,

£9.99 · Buy It Now

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Fernox chemicals central - fernox,

Fernox chemicals central - fernox,

£3.49 · Buy It Now

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Fernox tf1 compact 62131 - fernox,

Fernox tf1 compact 62131 - fernox,

£6.49 · Buy It Now

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Fernox compactl tf1 - tf1, filter

Fernox compactl tf1 - tf1, filter

£42.30 · Buy It Now

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Fernox express cleaner - express,

Fernox express cleaner - express,

£14.99 · Buy It Now

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Fernox inhibitor central - inhibitor,

Fernox inhibitor central - inhibitor,

£11.99 · Buy It Now

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Fernox express 62514 central - express,

Fernox express 62514 central - express,

£6.99 · Buy It Now

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Jointing compound fernox - jointing, v-2

Jointing compound fernox - jointing, v-2

£6.25 · Buy It Now

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Fernox tf1 omega filter - fernox, 2

Fernox tf1 omega filter - fernox, 2

£55.00 · Buy It Now

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Fernox electrolytic scale - fernox,,

Fernox electrolytic scale - fernox,,

£26.70 · Buy It Now

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Fernox tf1 omega - tf1,

Fernox tf1 omega - tf1,

£31.90 · Buy It Now

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Fernox 500ml central - 500ml, f3

Fernox 500ml central - 500ml, f3

£7.05 · Buy It Now

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Fernox plus filter - f9,

Fernox plus filter - f9,

£12.94 · Buy It Now

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Fernox large water hawk - large,

Fernox large water hawk - large,

£10.59 · Buy It Now

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Fernox 62399 central - fernox,

Fernox 62399 central - fernox,

£19.99 · Buy It Now

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Fernox biocide 200ml - fernox,

Fernox biocide 200ml - fernox,

£32.99 · Buy It Now

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Fernox f4 f5 central - f1/f2/f3/f4/f5,

Fernox f4 f5 central - f1/f2/f3/f4/f5,

£11.99 · Buy It Now

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Fernox 62514 express inhibitor - 62514,

Fernox 62514 express inhibitor - 62514,

£35.95 · Buy It Now

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Fernox protector 265ml - protector,

Fernox protector 265ml - protector,

£9.73 · Buy It Now

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Fernox protector f3 - protector, &

Fernox protector f3 - protector, &

£10.78 · Buy It Now

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Fernox 56603 central - 56603, f4

Fernox 56603 central - 56603, f4

£23.95 · Buy It Now

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Fernox tf1 range 59288 - fernox,

Fernox tf1 range 59288 - fernox,

£7.49 · Buy It Now

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Fernox 59288 tf1 - 59288, &

Fernox 59288 tf1 - 59288, &

£5.99 · Buy It Now

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Fernox bundle central - f1, (central

Fernox bundle central - f1, (central

£8.12 · Buy It Now

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Fernox 500ml central - 500ml,

Fernox 500ml central - 500ml,

£4.38 · Buy It Now

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Fernox central heating - central,

Fernox central heating - central,

£15.07 · Buy It Now

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Fernox 500ml central - fernox, f3

Fernox 500ml central - fernox, f3

£4.38 · Buy It Now

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Fernox central heating - central,

Fernox central heating - central,

£24.99 · Buy It Now

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Fernox 500ml central - fernox,

Fernox 500ml central - fernox,

£4.38 · Buy It Now

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Fernox f3 central - f1, heating

Fernox f3 central - f1, heating

£10.80 · Buy It Now

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Fernox filter 22mm - fernox,

Fernox filter 22mm - fernox,

£33.98 · Buy It Now

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Fernox system water - fernox, test

Fernox system water - fernox, test

£11.99 · Buy It Now

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Fernox energy saver 500ml - fernox,

Fernox energy saver 500ml - fernox,

£13.99 · Buy It Now

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Fernox biocide water - f7,

Fernox biocide water - f7,

£94.30 · Buy It Now

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Fernox system water test - system,

Fernox system water test - system,

£11.99 · Buy It Now

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Fernox inhibitor central - f1,

Fernox inhibitor central - f1,

£19.99 · Buy It Now

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Fernox tf1 range - fernox,

Fernox tf1 range - fernox,

£3.99 · Buy It Now

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Fernox hawk white pipe - fernox,

Fernox hawk white pipe - fernox,

£7.79 · Buy It Now

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Tf1 total magnetic filter - total,

Tf1 total magnetic filter - total,

£6.00 · Buy It Now

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Brand new fernox express - brand, f4

Brand new fernox express - brand, f4

£24.99 · Buy It Now

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Fernox express central - f4,

Fernox express central - f4,

£20.43 · Buy It Now

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Fernox express 62514 central - fernox,

Fernox express 62514 central - fernox,

£5.99 · Buy It Now

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Fernox tf1 compact filter 22mm - tf1,

Fernox tf1 compact filter 22mm - tf1,

£57.90 · Buy It Now

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Fernox tf1 compact - compact, magnetic

Fernox tf1 compact - compact, magnetic

£74.95 · Buy It Now

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Fernox tf1 omega filter - ,

Fernox tf1 omega filter - ,

£52.70 · Buy It Now

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Fernox sigma filter 22mm - filter,

Fernox sigma filter 22mm - filter,

£30.00 · Buy It Now

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Fernox 500ml central - fernox,

Fernox 500ml central - fernox,

£16.14 · Buy It Now

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Fernox tf1 omega central - tf1,

Fernox tf1 omega central - tf1,

£29.99 · Buy It Now

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Fernox sterox chlorination - fernox,

Fernox sterox chlorination - fernox,

£35.00 · Buy It Now

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Fernox tf1 omega magnetic - fernox,

Fernox tf1 omega magnetic - fernox,

£73.50 · Buy It Now

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Fernox hawk white pipe - white,

Fernox hawk white pipe - white,

£12.25 · Buy It Now

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500ml fernox f3 central - 2,

500ml fernox f3 central - 2,

£14.99 · Buy It Now

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265ml fernox f3 central - 2,

265ml fernox f3 central - 2,

£12.99 · Buy It Now

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Fernox 62514 express inhibitor - express,

Fernox 62514 express inhibitor - express,

£32.00 · Buy It Now

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Fernox f3 central - fernox,

Fernox f3 central - fernox,

£16.15 · Buy It Now

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Fernox inhibitor central - fernox,

Fernox inhibitor central - fernox,

£13.47 · Buy It Now

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Brand new fernox power - brand,

Brand new fernox power - brand,

£465.70 · Buy It Now

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📊96 listings · from £3.49 · avg £28.47
⚠️ These listings were last updated more than 25 days ago. Search for fresh listings

Browse 96 fernox listings currently in our index. Prices range from £3.49 to £465.7, with an average of £28.47. 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 fernox →

Try this: flue bracket | grundfos 15 60 | hydroponics fan | lpg combi boilers | main multipoint | ridgeback harmony | smiths heater | solid fuel boiler | spirotech | vaillant

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Everything you need to know about fernox

Whether you are looking for a brand-new or second-hand fernox, 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 £3.49, while premium listings can reach £465.7 — giving you a wide budget spread to work with. The average price of £28.47 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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