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Sentinel x400

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Sentinel x400 for sale on largest auction and classifieds sites

Home / Ponds & Water Features / Sentinel x400 refurbished & used for sale | For Sale UK
Sentinel x400 central - x400,

Sentinel x400 central - x400,

£14.99
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Sentinel x400 central - x400, heating

Sentinel x400 central - x400, heating

£19.90
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Sentinel x400 central - x400, heating

Sentinel x400 central - x400, heating

£18.99
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Sentinel x400 high performance - high,

Sentinel x400 high performance - high,

£22.34
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Sentinel x100 x200 - x100, x300

Sentinel x100 x200 - x100, x300

£14.39
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Sentinel x400 central - x400, heating

Sentinel x400 central - x400, heating

£14.99
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Sentinel x400 central - 1x,

Sentinel x400 central - 1x,

£16.15
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Sentinel x400 system restorer - x400,

Sentinel x400 system restorer - x400,

£17.99
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Sentinel x100 x300 x400 x800 - sentinel,

Sentinel x100 x300 x400 x800 - sentinel,

£21.82
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Sentinel x400 high performance - sentinel,

Sentinel x400 high performance - sentinel,

£7.58
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Sentinel x400 cleaner - sentinel,

Sentinel x400 cleaner - sentinel,

£14.97
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Sentinel x400 system restorer - x400,

Sentinel x400 system restorer - x400,

£23.99
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Sentinel internal leak sealer - sentinel,

Sentinel internal leak sealer - sentinel,

£16.67
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Sentinel x400 high performance - sentinel,

Sentinel x400 high performance - sentinel,

£21.49
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Sentinel x400 high - 2,

Sentinel x400 high - 2,

£19.36
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Sentinel internal leak sealer - internal,

Sentinel internal leak sealer - internal,

£17.99
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Central heating cleaner - heating, 4

Central heating cleaner - heating, 4

£26.70
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Sentinel leak sealer rapid - sealer,

Sentinel leak sealer rapid - sealer,

£7.59
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Sentinel leak sealer - sealer, 1l

Sentinel leak sealer - sealer, 1l

£17.99
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Sentinel x800 central - sentinel, heating

Sentinel x800 central - sentinel, heating

£70.00
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Sentinel x400 high performance - sentinel,

Sentinel x400 high performance - sentinel,

£16.50
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Sentinel x400 high performance - high,

Sentinel x400 high performance - high,

£24.95
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Anne stokes art sentinel - anne,

Anne stokes art sentinel - anne,

£7.95
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Sentinel x100 central heating - x100,

Sentinel x100 central heating - x100,

£63.10
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Sentinel leak sealer - sealer,

Sentinel leak sealer - sealer,

£13.00
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10x sentinel x400 - 10x,

10x sentinel x400 - 10x,

£57.90
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Sentinel leak sealer rapid - sentinel,

Sentinel leak sealer rapid - sentinel,

£15.49
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Sentinel x400rd rapid - x400rd,

Sentinel x400rd rapid - x400rd,

£35.99
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Sentinel high performance - sentinel,

Sentinel high performance - sentinel,

£39.79
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Twyford optima49 dual flush - twyford,

Twyford optima49 dual flush - twyford,

£20.57
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Kudos trading sentinel x400 - trading,

Kudos trading sentinel x400 - trading,

£35.89
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Sentinel internal leak sealer - internal,

Sentinel internal leak sealer - internal,

£15.00
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Sentinel x400 rapid dose - x400,

Sentinel x400 rapid dose - x400,

£32.94
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Sentinel central heating - central,

Sentinel central heating - central,

£31.90
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Sentinel sealant for - lt,

Sentinel sealant for - lt,

£38.65
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Sentinel x100 x300 - x, 400

Sentinel x100 x300 - x, 400

£435.10
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Sentinel internal leak sealer - internal,

Sentinel internal leak sealer - internal,

£16.67
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Sentinel x400 system restorer - x400,

Sentinel x400 system restorer - x400,

£21.99
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X400 sentinel cleaner - x400,

X400 sentinel cleaner - x400,

£9.60
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Sentinel internal leak sealer - sentinel,

Sentinel internal leak sealer - sentinel,

£15.99
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Sentinel x400 central heating - sentinel,

Sentinel x400 central heating - sentinel,

£5.98
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Sentinel x400 rapid - sentinel,

Sentinel x400 rapid - sentinel,

£13.93
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Sentinel x400 rapid - sentinel,

Sentinel x400 rapid - sentinel,

£13.92
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Sentinel x400 1litre - 1litre, bottle

Sentinel x400 1litre - 1litre, bottle

£65.00
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Sentinel x400 sludge remover - sentinel,

Sentinel x400 sludge remover - sentinel,

£37.50
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X100 x400 sentinels central - sentinels.,

X100 x400 sentinels central - sentinels.,

£260.70
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Sentinel x400 high - sentinel, performance

Sentinel x400 high - sentinel, performance

£13.99
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📊47 listings · from £5.98 · avg £37.57
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 47 sentinel x400 listings currently in our index. Prices range from £5.98 to £435.1, with an average of £37.57. 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 x400 →

Try this: animal hot water bottle | grundfos submersible pump | boiler parts thermostat | worcester controls | vaillant spares | bmw x6 35d | 1985 honda shadow 700 | 1987 bmw 535i | 3 trash pump | aero water bottle

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Everything you need to know about sentinel x400

Whether you are looking for a brand-new or second-hand sentinel x400, eBay offers one of the largest selections available online. With 47 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 £5.98, while premium listings can reach £435.1 — giving you a wide budget spread to work with. The average price of £37.57 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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