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Fernox protector 500ml - fernox,
£16.15
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Concentrated inhibitor boiler - concentrated,
£130.90
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Concentrated inhibitor a100 - concentrated,
£8.79
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Heating inhibitor boiler - inhibitor, 1l
£8.95
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Fernox central heating - central,
£12.23
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Fernox central heating - f1,
£13.46
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Concentrated inhibitor central - inhibitor,
£7.29
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Central heating chemicals - central,
£9.28
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Fernox express 62514 central - fernox,
£6.99
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Sentinel x100 central heating - sentinel,
£10.80
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Concentrated inhibitor boiler - concentrated,
£7.65
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Eezyfill central heating - eezyfill,
£14.01
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Sentinel x100 central heating - sentinel,
£12.99
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A100 concentrated inhibitor - a100,
£8.79
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Concentrated inhibitor central - inhibitor,
£32.49
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C100 concentrated inhibitor - c100,
£39.59
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Central heating chemicals - heating,
£94.60
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Sentinel x100 inhibitor - sentinel, 1l
£59.99
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Everad corrosion inhibitor - everad,
£8.95
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Centre brand cleaner and - brand,
£5.45
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Sentinel x100 central - sentinel,
£9.99
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Central heating system - central,
£12.50
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C100 inhibitor concentrate - c100,
£42.55
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Litre inhibitor for central - inhibitor,
£7.99
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Heating inhibitor 25l boiler - heating,
£133.28
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Fernox express 400ml - f1,
£16.15
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Fernox protector 56599 - f1,
£149.99
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Central heating dosing tool - central,
£13.99
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Super concentrated inhibitor - super,
£10.99
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Concentrated inhibitor boiler - inhibitor,
£39.49
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Litre central heating - litre,
£6.99
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A100 concentrated inhibitor - inhibitor, 1l
£8.79
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Scalemaster 250ml corrosion - 250ml,
£9.99
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Fernox inhibitor central - fernox,
£10.91
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Sentinel x100 boiler - 1l, &
£26.25
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Center quick dose inhibitor - quick,
£12.99
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Cura central heating inhibitor - central,
£16.99
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Php rapid inhibitor test kit - php,
£9.99
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C100 central heating - central, super
£223.99
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Heating inhibitor boiler - heating, 5l
£44.79
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Sentinel x100 central heating - sentinel,
£13.99
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Sentinel x100 central heating - x100,
£19.35
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C100 central heating - c100+,
£11.29
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Fernox central heating - f1,
£14.54
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Enersave inhibitor central - enersave,
£4.91
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Central heating scale - central,
£11.50
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Instinct scalemaster - instinct, by
£12.00
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Sentinel x100 central heating - sentinel,
£21.87
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Fernox express inhibitor - express,
£39.99
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Fernox f7 central heating - fernox, &
£48.99
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Plumbbright central heating - plumbbright,
£7.59
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Fernox inhibitor central - inhibitor,
£172.30
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Fernox inhibitor central - f1,
£17.99
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Fernox 62454 central - f1,
£15.99
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C100 central heating super - c100+,
£54.99
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Central heating concentrated - central,
£8.79
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Adey mc1 central - mc1+,
£14.50
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C100 central heating boiler - central,
£7.69
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Central heating liquid - heating,
£12.50
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Sentinel x100 central heating - sentinel,
£13.96
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Plumbright central heating - central,
£9.44
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Sentinel x100 central - x,
£219.99
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Sentinel x100 central - 4x,
£42.29
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Fernox inhibitor central - fernox,
£19.99
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Central heating inhibitor - heating,
£7.59
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Box corrosion inhibitor - box, of
£42.30
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Adey mc1 magnaclean - adey, central
£17.96
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Scalemaster pro inhibitor - scalemaster, sm-pro
£14.10
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Sentinel x100 central heating - sentinel,
£13.47
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Key plumb central - key,
£11.99
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Central heating cleaner - heating, &
£12.99
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Flomasta 0616 central - flomasta,
£19.98
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Sentinel x100 central heating - sentinel,
£15.07
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Central heating inhibitor 1 - heating,
£15.99
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Flomasta central heating - flomasta,
£26.99
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Central heating towel - heating, &
£30.00
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Center central heating - center,
£10.80
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Fernox inhibitor central - inhibitor,
£17.99
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C100 central heating 500ml - c100+,
£55.49
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Hinton h14 central - hinton, heating
£6.00
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Plumbright central heating - plumbright,
£9.99
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Center central heating - center,
£10.80
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Sentinel vortex 250 - vortex,
£58.00
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Central heating inhibitor - central,
£10.59
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Php radhero ultra - p1,
£14.99
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Dirtmag iq1 central - dirtmag,
£5.45
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Central heating inhibitor - 2x,
£12.94
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Concentrated inhibitor central - inhibitor,
£8.35
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Boiler central heating system - boiler,
£8.79
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Sentinel x100 inhibitor - x100, 1
£36.99
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Flomasta central heating - flomasta,
£20.00
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Adey magnaclean mc1 central - mc1+,
£10.79
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Sentinel rapid dose - sentinel, x100
£15.08
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Hs1 inhibitor - hs1,
£8.05
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Chemibuild pro protector - chemibuild,
£12.94
Buy It Now
Concentrated inhibitor c100 - concentrated,
£8.50
Buy It Now
Looking for more central heating inhibitor?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 central heating inhibitor listings currently in our index. Prices range from £4.91 to £223.99, with an average of £28.18. 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 central heating inhibitor →
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Whether you are looking for a brand-new or second-hand central heating inhibitor, 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 £4.91, while premium listings can reach £223.99 — giving you a wide budget spread to work with. The average price of £28.18 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.