Fernox
Fernox for sale on Ireland's largest auction and classifieds sites
Fernox central heating - f1, - £13.59
Comply 7593 2019 • Best practice protector • Levels should checked - Free postage - New and Used
Comply 7593 2019 • Best practice protector • Levels should checked - Free postage - New and Used
Fernox inhibitor central - inhibitor, - £7.59
Fernox inhibitor central • Heating boiler protector • Specific product storage - Free postage - New and Used
Fernox inhibitor central • Heating boiler protector • Specific product storage - Free postage - New and Used
New fernox 56600 - 56600, central - £9.99
Part fernox 56600 • Not cheap chinese • 500ml central heating - Free postage - New and Used
Part fernox 56600 • Not cheap chinese • 500ml central heating - Free postage - New and Used
Fernox 62454 super - 62454, - £21.49
Fernox central heating • Protector 265ml bottle - Free postage - New and Used
Fernox central heating • Protector 265ml bottle - Free postage - New and Used
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Fernox f3 twin pack - f3, - £8.02
Multiple bottles stock • Please message bulk • Quantities fernox twin - Free postage - New and Used
Multiple bottles stock • Please message bulk • Quantities fernox twin - Free postage - New and Used
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48 listings · from £2.24 · avg £21.13
⚠️ These listings were last updated more than 15 days ago.
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Browse 48 fernox listings currently in our index. Prices range from £2.24 to £156.7, with an average of £21.13. 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 →
Fernox 59288 tf1 total - 59288, - £4.29
Fits fernox tf1 • Compact range • Total - Free postage - New and Used
Fits fernox tf1 • Compact range • Total - Free postage - New and Used
Fernox electrolytic scale - fernox,, - £26.70
Line electrolytic scale • Reducer prevent build • Provide whole house - Free postage - New and Used
Line electrolytic scale • Reducer prevent build • Provide whole house - Free postage - New and Used
Fernox central heating - central, - £15.99
- Free postage - New and Used
- Free postage - New and Used
Fernox protector f3 - fernox, & - £16.00
- Free postage - New and Used
- Free postage - New and Used
Fernox inhibitor central - inhibitor, - £10.91
Fernox inhibitor central • Heating boiler protector • Prevent corrosion limescale - Free postage - New and Used
Fernox inhibitor central • Heating boiler protector • Prevent corrosion limescale - Free postage - New and Used
Fernox 500ml central - 500ml, - £4.38
Fernox 500ml central • Heating cleaner product • Specifically storage tank - Free postage - New and Used
Fernox 500ml central • Heating cleaner product • Specifically storage tank - Free postage - New and Used
1000mm length fernox - of, lead - £6.99
Lead free solder • Safer use used • Gas engineers copper - Free postage - New and Used
Lead free solder • Safer use used • Gas engineers copper - Free postage - New and Used
Fernox external leak - external, - £6.51
Fernox external leak • Sealer traditional style • Sealant use bathrooms - Free postage - New and Used
Fernox external leak • Sealer traditional style • Sealant use bathrooms - Free postage - New and Used
Fernox f3 central heating - f3, - £19.36
Your heating system • Protector cleaner bundle • 500ml solution specifically - Free postage - New and Used
Your heating system • Protector cleaner bundle • 500ml solution specifically - Free postage - New and Used
Fernox cleaner 500ml for - f3, - £34.69
Effective system flush • Powerful cleaning agent • Out harmful magnetite - Free postage - New and Used
Effective system flush • Powerful cleaning agent • Out harmful magnetite - Free postage - New and Used
Fernox leak sealer 500ml - fernox, - £22.54
Fernox lsi leak • Sealer seals most • Weeps inaccessible leaks - Free postage - New and Used
Fernox lsi leak • Sealer seals most • Weeps inaccessible leaks - Free postage - New and Used
Fernox tf1 total - fernox, - £63.10
Fernox tf1 total • New unused but • Box bit tatty - Free postage - New and Used
Fernox tf1 total • New unused but • Box bit tatty - Free postage - New and Used
Fernox f3 central heating - fernox, f1 - £11.86
Fernox central heating • Protector cleaner set • Includes two 500ml - Free postage - New and Used
Fernox central heating • Protector cleaner set • Includes two 500ml - Free postage - New and Used
Fernox central heating - f1, - £15.07
Fernox protector protects • Radiators please note • Dates stamped bottle - Free postage - New and Used
Fernox protector protects • Radiators please note • Dates stamped bottle - Free postage - New and Used
Fernox silicone paste for - silicone, - £7.39
Fernox external leak • Sealer 50ml use • Hot cold water - Free postage - New and Used
Fernox external leak • Sealer 50ml use • Hot cold water - Free postage - New and Used
Fernox tf1 22mm omega - 22mm, filter - £71.42
Fernox central heating • Tf1 omega filter • 22mm product code - Free postage - New and Used
Fernox central heating • Tf1 omega filter • 22mm product code - Free postage - New and Used
Fernox express 62514 - 62514, central - £6.52
Download fernox water • Test app lab • Style report certificate - Free postage - New and Used
Download fernox water • Test app lab • Style report certificate - Free postage - New and Used
Fernox iinhibitor central - iinhibitor, - £6.52
Fernox inhibitor central • Heating boiler protector • 2652duct specially storage - Free postage - New and Used
Fernox inhibitor central • Heating boiler protector • 2652duct specially storage - Free postage - New and Used
Fernox super strength - fernox, - £18.00
Fernox super strength • Cleaner 500ml 62486 • New treats 130l - Free postage - New and Used
Fernox super strength • Cleaner 500ml 62486 • New treats 130l - Free postage - New and Used
Fernox central heating - f3, - £2.24
Fernox 265ml bottles - Free postage - New and Used
Fernox 265ml bottles - Free postage - New and Used
Fernox protector 500ml - f1, - £8.66
Fernox central heating • Protector 500ml - Free postage - New and Used
Fernox central heating • Protector 500ml - Free postage - New and Used
Fernox protector 56599 - fernox, - £149.99
One 500ml bottle • Treats 130 litre • System radiators 250 - Free postage - New and Used
One 500ml bottle • Treats 130 litre • System radiators 250 - Free postage - New and Used
Fernox jointing compound - ls-x, - £7.29
Fernox jointing compound • External leak sealer • 50ml lsx high - Free postage - New and Used
Fernox jointing compound • External leak sealer • 50ml lsx high - Free postage - New and Used
Fernox system health check - system, - £19.99
Fast accurate results • Confirms presence any • Debris cleaner residue - Free postage - New and Used
Fast accurate results • Confirms presence any • Debris cleaner residue - Free postage - New and Used
Fernox 61016 leak - sealer, ls-x - £17.99
Fernox external leak • Rapid sealing action • Sealer quickly effectively - Free postage - New and Used
Fernox external leak • Rapid sealing action • Sealer quickly effectively - Free postage - New and Used
Fernox central heating cleaner - central, - £7.68
Fernox cleaner 265ml - Free postage - New and Used
Fernox cleaner 265ml - Free postage - New and Used
Fernox express leak - f4, - £25.66
Fernox express leak • Sealer seeks out • Seals most leaks - Free postage - New and Used
Fernox express leak • Sealer seeks out • Seals most leaks - Free postage - New and Used
Fernox express cleaner - f3, - £14.24
Cleaner heavy duty • Which remove sludge • Scale debris existing - Free postage - New and Used
Cleaner heavy duty • Which remove sludge • Scale debris existing - Free postage - New and Used
Fernox tf1 range 59288 - range, - £7.49
Fernox tf1 central • Heating filters - Free postage - New and Used
Fernox tf1 central • Heating filters - Free postage - New and Used
Fernox express 62514 central - 62514, - £6.99
When used alongside • Fernox water test • App ios android - Free postage - New and Used
When used alongside • Fernox water test • App ios android - Free postage - New and Used
Fernox system water test - , - £11.99
Target visible but • Blurred indicating contaminants • Are present system - Free postage - New and Used
Target visible but • Blurred indicating contaminants • Are present system - Free postage - New and Used
Fernox super strength - f8, - £18.82
Super strength cleaner • Heavily contaminated dirty • Central heating systems - Free postage - New and Used
Super strength cleaner • Heavily contaminated dirty • Central heating systems - Free postage - New and Used
New fernox central heating - new, - £7.00
Sapcote trading centre - Free postage - New and Used
Sapcote trading centre - Free postage - New and Used
Fernox bundle central - &, f3 - £16.15
This fernox bundle • Bottles 500ml perfect • Solution protecting cleaning - Free postage - New and Used
This fernox bundle • Bottles 500ml perfect • Solution protecting cleaning - Free postage - New and Used
Fernox 56599 corrosion - 56599, - £16.15
Heating systems • Fernox 56599 corrosion • Protector 500ml tank - Free postage - New and Used
Heating systems • Fernox 56599 corrosion • Protector 500ml tank - Free postage - New and Used
Fernox express central - fernox, - £5.45
Reduce boiler noise • Kettling ideal use • All types boilers - Free postage - New and Used
Reduce boiler noise • Kettling ideal use • All types boilers - Free postage - New and Used
Fernox protector 265ml - protector, - £13.00
Fernox protector 265ml • 62454 - Free postage - New and Used
Fernox protector 265ml • 62454 - Free postage - New and Used
Fernox biocide water - fernox, f7 - £30.00
Fernox biocide water • Treatment 200ml 62393 - Free postage - New and Used
Fernox biocide water • Treatment 200ml 62393 - Free postage - New and Used
Fernox f3 central heating - fernox, - £8.66
Fernox cleaner 265ml • Universal fast acting • Central heating systems - Free postage - New and Used
Fernox cleaner 265ml • Universal fast acting • Central heating systems - Free postage - New and Used
265ml fernox f3 central - 2, x - £12.34
Fernox cleaner 265ml • Universal fast acting • Central heating systems - Free postage - New and Used
Fernox cleaner 265ml • Universal fast acting • Central heating systems - Free postage - New and Used
Fernox magnetic scale reducer - scale, - £15.08
- Free postage - New and Used
- Free postage - New and Used
Fernox tf1 compact 62131 - tf1, - £5.99
Magnetic filter lid • Fernox tf1 62641 • Compact 62131 total - Free postage - New and Used
Magnetic filter lid • Fernox tf1 62641 • Compact 62131 total - Free postage - New and Used
Fernox fc1 filer - filer, and - £156.70
Fernox fc1 filer • Fluid inhibitor high • Energy efficiency rated - Free postage - New and Used
Fernox fc1 filer • Fluid inhibitor high • Energy efficiency rated - Free postage - New and Used
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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 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 £2.24, while premium listings can reach £156.7 — giving you a wide budget spread to work with. The average price of £21.13 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.