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Sentinel x100

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Home / Heating, Cooling & Air / Sentinel x100 refurbished & used for sale | For Sale UK
Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£9.73 · Buy It Now

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Sentinel x100 inhibitor - x,

Sentinel x100 inhibitor - x,

£94.30 · Buy It Now

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10x sentinel x100 yellow - 10x,

10x sentinel x100 yellow - 10x,

£83.90 · Buy It Now

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Sentinel x100 inhibitor - sentinel,

Sentinel x100 inhibitor - sentinel,

£57.99 · Buy It Now

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Sentinel x100 inhibitor system - inhibitor,

Sentinel x100 inhibitor system - inhibitor,

£15.99 · Buy It Now

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Sentinel x100 inhibitor 500ml - sentinel,

Sentinel x100 inhibitor 500ml - sentinel,

£12.50 · Buy It Now

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Sentinel x100 inhibitors - 1l,

Sentinel x100 inhibitors - 1l,

£21.50 · Buy It Now

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Sentinel x100 x200 x300 - x200,

Sentinel x100 x200 x300 - x200,

£11.39 · Buy It Now

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Sentinel x100 central - x100,

Sentinel x100 central - x100,

£14.99 · Buy It Now

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Sentinel x100 central heating - sentinel,

Sentinel x100 central heating - sentinel,

£12.50 · Buy It Now

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Sentinel x100 central heating - sentinel,

Sentinel x100 central heating - sentinel,

£15.51 · Buy It Now

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Sentinel x100 inhibitor - sentinel,

Sentinel x100 inhibitor - sentinel,

£59.99 · Buy It Now

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Sentinel x100 rapid dose - x100,

Sentinel x100 rapid dose - x100,

£17.50 · Buy It Now

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10xsentinel x100 10 x - &,

10xsentinel x100 10 x - &,

£83.90 · Buy It Now

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Sentinel x100 central heating - sentinel,

Sentinel x100 central heating - sentinel,

£40.00 · Buy It Now

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Sentinel x100 inhibitor - sentinel,

Sentinel x100 inhibitor - sentinel,

£14.01 · Buy It Now

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Lavatap sentinel x100 - lavatap,

Lavatap sentinel x100 - lavatap,

£19.99 · Buy It Now

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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£10.79 · Buy It Now

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Sentinel x100 inhibitor system - inhibitor,

Sentinel x100 inhibitor system - inhibitor,

£11.86 · Buy It Now

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Sentinel x100 rapid dose - x100,

Sentinel x100 rapid dose - x100,

£16.67 · Buy It Now

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Sentinel x100 inhibitor system - sentinel,

Sentinel x100 inhibitor system - sentinel,

£17.99 · Buy It Now

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Sentinel x100 concentrated - sentinel,

Sentinel x100 concentrated - sentinel,

£14.85 · Buy It Now

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Sentinel x100 inhibitor - sentinel,

Sentinel x100 inhibitor - sentinel,

£24.99 · Buy It Now

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Sentinel x100 rapid - sentinel,

Sentinel x100 rapid - sentinel,

£150.00 · Buy It Now

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Sentinel x100 inhibitor system - sentinel,

Sentinel x100 inhibitor system - sentinel,

£17.99 · Buy It Now

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Sentinel x100 boiler - x100,

Sentinel x100 boiler - x100,

£25.00 · Buy It Now

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Sentinel x100 central - sentinel,

Sentinel x100 central - sentinel,

£10.80 · Buy It Now

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Sentinel x100 x1 - x1,

Sentinel x100 x1 - x1,

£29.99 · Buy It Now

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Sentinel x100 inhibitor - sentinel,

Sentinel x100 inhibitor - sentinel,

£13.47 · Buy It Now

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Sentinel x100 20l boiler - boiler, &

Sentinel x100 20l boiler - boiler, &

£360.00 · Buy It Now

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Brand new sentinel - brand, 12

Brand new sentinel - brand, 12

£142.99 · Buy It Now

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Sentinel x100 central heating - central,

Sentinel x100 central heating - central,

£7.58 · Buy It Now

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Sentinel x100 inhibitor - x100,

Sentinel x100 inhibitor - x100,

£14.49 · Buy It Now

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Sentinel x100 inhibitors - x100, 1l

Sentinel x100 inhibitors - x100, 1l

£12.94 · Buy It Now

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Sentinel x100 super - sentinel,

Sentinel x100 super - sentinel,

£16.99 · Buy It Now

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Sentinel x100 x300 x400 - x300,

Sentinel x100 x300 x400 - x300,

£21.82 · Buy It Now

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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£52.70 · Buy It Now

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Sentinel x100 central - x100, heating

Sentinel x100 central - x100, heating

£18.99 · Buy It Now

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Sentinel x100 central - 4x,

Sentinel x100 central - 4x,

£42.29 · Buy It Now

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Sentinel x100 inihibitor and - x100,

Sentinel x100 inihibitor and - x100,

£29.99 · Buy It Now

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Sentinel x100 inhibitor - 2,

Sentinel x100 inhibitor - 2,

£33.25 · Buy It Now

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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£21.87 · Buy It Now

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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£19.35 · Buy It Now

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Sentinel x100 concentrated - sentinel,

Sentinel x100 concentrated - sentinel,

£19.03 · Buy It Now

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Central heating dosing - central, tool

Central heating dosing - central, tool

£18.99 · Buy It Now

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Sentinel vortex systemcare - vortex,

Sentinel vortex systemcare - vortex,

£74.99 · Buy It Now

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Sentinel x100 central - x,

Sentinel x100 central - x,

£138.99 · Buy It Now

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Sentinel x100 central - sentinel,

Sentinel x100 central - sentinel,

£80.00 · Buy It Now

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Sentinel eliminator vortex - eliminator,

Sentinel eliminator vortex - eliminator,

£74.98 · Buy It Now

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Sentinel x100 20l - x100,

Sentinel x100 20l - x100,

£340.00 · Buy It Now

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Sentinel x100 central - central, heating

Sentinel x100 central - central, heating

£16.90 · Buy It Now

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Sentinel x100 x800 1l - x100,

Sentinel x100 x800 1l - x100,

£39.99 · Buy It Now

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Sentinel x100 central - 1l,

Sentinel x100 central - 1l,

£189.95 · Buy It Now

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Sentinel x800 x100 cleaner - x800, &

Sentinel x800 x100 cleaner - x800, &

£38.95 · Buy It Now

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Sentinel x100 inhibitor - x100,

Sentinel x100 inhibitor - x100,

£15.99 · Buy It Now

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Sentinel x100 inhibitor - sentinel,

Sentinel x100 inhibitor - sentinel,

£12.75 · Buy It Now

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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£16.99 · Buy It Now

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Sentinel x100 central heating - sentinel,

Sentinel x100 central heating - sentinel,

£19.99 · Buy It Now

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Sentinel system care - sentinel, pack

Sentinel system care - sentinel, pack

£70.38 · Buy It Now

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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£18.95 · Buy It Now

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Sentinel x100 central - central, heating

Sentinel x100 central - central, heating

£20.42 · Buy It Now

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Sentinel x100 central - sentinel, heating

Sentinel x100 central - sentinel, heating

£18.99 · Buy It Now

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Sentinel x100rd rapid dose - sentinel,

Sentinel x100rd rapid dose - sentinel,

£30.99 · Buy It Now

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Sentinel x300 cleaner for new - sentinel,

Sentinel x300 cleaner for new - sentinel,

£9.99 · Buy It Now

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Sentinel x100 inhibitor x800 - sentinel, +

Sentinel x100 inhibitor x800 - sentinel, +

£37.95 · Buy It Now

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Sentinel x100 inhibitor - x100, 1

Sentinel x100 inhibitor - x100, 1

£36.99 · Buy It Now

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Lavatap sentinel x100 - lavatap, –

Lavatap sentinel x100 - lavatap, –

£30.41 · Buy It Now

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Sentinel x100 central heating - sentinel,

Sentinel x100 central heating - sentinel,

£11.92 · Buy It Now

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Sentinel x100 quick test - sentinel,

Sentinel x100 quick test - sentinel,

£23.58 · Buy It Now

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Sentinel rapid dose x100 - dose,

Sentinel rapid dose x100 - dose,

£17.99 · Buy It Now

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Sentinel x100 concentrated - x100,

Sentinel x100 concentrated - x100,

£15.45 · Buy It Now

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Sentinel x800 central - x800,

Sentinel x800 central - x800,

£21.50 · Buy It Now

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Sentinel x100 inhibitor - x100,

Sentinel x100 inhibitor - x100,

£20.99 · Buy It Now

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Sentinel x100 inhibitor system - sentinel,

Sentinel x100 inhibitor system - sentinel,

£15.99 · Buy It Now

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Sentinel vortex systemcare - sentinel,

Sentinel vortex systemcare - sentinel,

£99.99 · Buy It Now

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Sentinel x100 concentrated - sentinel,

Sentinel x100 concentrated - sentinel,

£14.20 · Buy It Now

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Sentinel x100 central - sentinel,

Sentinel x100 central - sentinel,

£16.82 · Buy It Now

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Calmag activ8 c100 corrosion - activ8,

Calmag activ8 c100 corrosion - activ8,

£12.49 · Buy It Now

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Sentinel x100 inhibitor 500ml - sentinel,

Sentinel x100 inhibitor 500ml - sentinel,

£14.75 · Buy It Now

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Sentinel x100 inhibitor - inhibitor, 1l

Sentinel x100 inhibitor - inhibitor, 1l

£57.90 · Buy It Now

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Sentinel system care pack - care, a

Sentinel system care pack - care, a

£63.10 · Buy It Now

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Sentinel system care pack - sentinel,

Sentinel system care pack - sentinel,

£99.95 · Buy It Now

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Sentinel system care pack - pack, b

Sentinel system care pack - pack, b

£90.00 · Buy It Now

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Sentinel x800 cleaner - sentinel,

Sentinel x800 cleaner - sentinel,

£20.96 · Buy It Now

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Sentinel system care - care, a

Sentinel system care - care, a

£125.99 · Buy It Now

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Sentinel x100 central - x100, heating

Sentinel x100 central - x100, heating

£22.00 · Buy It Now

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Sentinel x100 central - central, heating

Sentinel x100 central - central, heating

£14.99 · Buy It Now

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Sentinel x100 central - central, heating

Sentinel x100 central - central, heating

£16.50 · Buy It Now

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Sentinel high performance - sentinel,

Sentinel high performance - sentinel,

£39.79 · Buy It Now

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Sentinel total guard central - sentinel,

Sentinel total guard central - sentinel,

£60.00 · Buy It Now

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Sentinel x100 x800 5 of - sentinel, &

Sentinel x100 x800 5 of - sentinel, &

£179.95 · Buy It Now

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Sentinel x100 central - x100, heating

Sentinel x100 central - x100, heating

£23.99 · Buy It Now

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Sentinel x100 central - sentinel,

Sentinel x100 central - sentinel,

£18.28 · Buy It Now

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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£63.10 · Buy It Now

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Sentinel system care vortex - c,

Sentinel system care vortex - c,

£156.69 · Buy It Now

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Sentinel vortex systemcare - sentinel,

Sentinel vortex systemcare - sentinel,

£69.99 · Buy It Now

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📊96 listings · from £7.58 · avg £46.96
⚠️ These listings were last updated more than 12 days ago. Search for fresh listings

Browse 96 sentinel x100 listings currently in our index. Prices range from £7.58 to £360, with an average of £46.96. 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 sentinel x100 →

Try this: mini oil filled radiator | massey ferguson 390 | paraffin 4 litres | plume displacement kit | throttle position sensor | rointe | heater brackets | grundfos 25 55 | challenge heater | oil filled heater wall

Shop by budget

< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

Everything you need to know about sentinel x100

Whether you are looking for a brand-new or second-hand sentinel x100, 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 £7.58, while premium listings can reach £360 — giving you a wide budget spread to work with. The average price of £46.96 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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