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Water softener for sale on largest auction and classifieds sites

Home / Water Heating & Filtration / Water softener refurbished & used for sale | For Sale UK
Prosoft 120xe water softener - water,

Prosoft 120xe water softener - water,

£280.00
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Harvey water softener hv3 - softener, /

Harvey water softener hv3 - softener, /

£312.70
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Water softening resin - 1l,, 2l

Water softening resin - 1l,, 2l

£38.95
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Ed6002p eddy electronic - ,

Ed6002p eddy electronic - ,

£139.00
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Prosoft 160xe water - prosoft,

Prosoft 160xe water - prosoft,

£249.99
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Aquahouse water softener - water,

Aquahouse water softener - water,

£399.99
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Fully refurbished water - fully,

Fully refurbished water - fully,

£245.00
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Fully refurbished at350 - fully,

Fully refurbished at350 - fully,

£270.00
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Kinetico block salt 3 x - |,

Kinetico block salt 3 x - |,

£27.99
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Water softener dva - water,

Water softener dva - water,

£85.00
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Aquasol tablet salt 25kg - tablet,

Aquasol tablet salt 25kg - tablet,

£17.99
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Monarch ultimate water - monarch,

Monarch ultimate water - monarch,

£101.00
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Pack block water - 6,

Pack block water - 6,

£43.99
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Calmag calsoft mini meter - calmag,

Calmag calsoft mini meter - calmag,

£431.99
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Whole house water - house,

Whole house water - house,

£125.50
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Althy ips saas - althy, ips-saas

Althy ips saas - althy, ips-saas

£148.00
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Atlantis at210 hiflow water - atlantis,

Atlantis at210 hiflow water - atlantis,

£525.00
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Monarch solo kinetico - , he/hf

Monarch solo kinetico - , he/hf

£198.30
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Water softener salt blocks - softener,

Water softener salt blocks - softener,

£55.99
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25kg water softener salt - 25kg,

25kg water softener salt - 25kg,

£19.95
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Harvey dualflo block - dualflo, -block

Harvey dualflo block - dualflo, -block

£414.70
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Harvey twin cylinder block - harvey,

Harvey twin cylinder block - harvey,

£750.00
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Harvey twin tec water - twin, s3

Harvey twin tec water - twin, s3

£414.70
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Water softener block - salt, 2

Water softener block - salt, 2

£81.57
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Harvey arc non - arc,

Harvey arc non - arc,

£950.20
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Total water hardness test - total,

Total water hardness test - total,

£3.99
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Block salt for water - water, softener

Block salt for water - water, softener

£22.75
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25kg water softener salt - 25kg,

25kg water softener salt - 25kg,

£19.95
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Water softener salt tablets - water,

Water softener salt tablets - water,

£109.99
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Damage pack block salt - damage, 3

Damage pack block salt - damage, 3

£8.66
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Waterdrop g3p600 reverse - g3p600,

Waterdrop g3p600 reverse - g3p600,

£449.99
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Block salt water softener - water,

Block salt water softener - water,

£82.99
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The harvey twintec water - twintec,

The harvey twintec water - twintec,

£623.80
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Water softener salt tablets - softener,

Water softener salt tablets - softener,

£78.99
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Monarch midi freeflow - monarch, he

Monarch midi freeflow - monarch, he

£681.69
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Harvey water softener - harvey,

Harvey water softener - harvey,

£465.70
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Water softener block - block, salt

Water softener block - block, salt

£55.97
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Aquahouse large water - aquahouse,

Aquahouse large water - aquahouse,

£649.99
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Polyphosphate crystals for - polyphosphate,

Polyphosphate crystals for - polyphosphate,

£38.99
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Water king wk1 electronic - water-king,

Water king wk1 electronic - water-king,

£270.00
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Monarch smart efficiency - smart,

Monarch smart efficiency - smart,

£530.13
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Iwekw premium water softener - water,

Iwekw premium water softener - water,

£85.00
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Water softener 22mm - 22mm, full

Water softener 22mm - 22mm, full

£52.70
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Kinetico block salt 6 - 6, x

Kinetico block salt 6 - 6, x

£52.99
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Tapworks nsc09pro water - nsc09pro,

Tapworks nsc09pro water - nsc09pro,

£589.79
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Kinetico block salt for - kinetico,

Kinetico block salt for - kinetico,

£57.90
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Bwt 14l flo - hi, electronic

Bwt 14l flo - hi, electronic

£614.95
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Calgon washing machine - calgon, 4-in-1

Calgon washing machine - calgon, 4-in-1

£18.98
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Granular salt 25kg - 25kg, water

Granular salt 25kg - 25kg, water

£18.90
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Premium water softener salt - premium,

Premium water softener salt - premium,

£73.99
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Monarch luxe water softener - monarch,

Monarch luxe water softener - monarch,

£594.00
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Kinetico supersoft high - hf,

Kinetico supersoft high - hf,

£399.99
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Mini compact meter - compact,

Mini compact meter - compact,

£389.99
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Water softener resin - , cleaner

Water softener resin - , cleaner

£9.00
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Harvey block salt - harvey,

Harvey block salt - harvey,

£56.99
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Harvey dualflo water softener - water,

Harvey dualflo water softener - water,

£1099.99
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Water softener hoses - water,

Water softener hoses - water,

£48.95
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Water king sentry electronic - water,

Water king sentry electronic - water,

£73.50
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Monarch midi pro - he,

Monarch midi pro - he,

£799.00
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Laundry water softener 50 - laundry, softener,

Laundry water softener 50 - laundry, softener,

£6.90
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Salt free water softener - water,

Salt free water softener - water,

£159.99
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Monarch midi pro water - monarch,

Monarch midi pro water - monarch,

£799.00
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The harvey twintec water - harvey,

The harvey twintec water - harvey,

£751.30
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Water softener refurbishment - softener,

Water softener refurbishment - softener,

£649.00
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Monarch midi water - , he

Monarch midi water - , he

£671.00
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1kg dri pack soda crystals - soda,

1kg dri pack soda crystals - soda,

£14.94
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Water softener salt tablets - salt,

Water softener salt tablets - salt,

£19.95
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Hobart water softener - water,

Hobart water softener - water,

£234.70
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Pack block small format - 12,

Pack block small format - 12,

£29.99
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Monarch midi freeflow - midi, water

Monarch midi freeflow - midi, water

£681.65
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Softenergeeks 11l whole - softenergeeks,

Softenergeeks 11l whole - softenergeeks,

£99.00
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Calgon 1 washing - calgon, 4-in-1

Calgon 1 washing - calgon, 4-in-1

£11.99
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Water softener salt tablets - water,

Water softener salt tablets - water,

£74.15
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Water softener installation - water,

Water softener installation - water,

£26.77
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Shower filter water - filter,

Shower filter water - filter,

£14.69
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Harvey block salt pack 6 - block, 3

Harvey block salt pack 6 - block, 3

£29.99
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Water softener resin - resin, cleaner

Water softener resin - resin, cleaner

£23.99
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Monarch water 25kg - 25kg,

Monarch water 25kg - 25kg,

£20.39
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Bwt 10l flo electronic - 10l,

Bwt 10l flo electronic - 10l,

£679.00
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Water softener timber external - softener,

Water softener timber external - softener,

£230.00
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Water softener salt tablets - water,

Water softener salt tablets - water,

£19.85
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Pack block harvey - 6, 12

Pack block harvey - 6, 12

£56.99
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Monarch midi freeflow - monarch, he

Monarch midi freeflow - monarch, he

£719.99
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Tapworks nsc11pro water - nsc11pro,

Tapworks nsc11pro water - nsc11pro,

£608.99
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Whole house salt free - house,

Whole house salt free - house,

£41.77
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Water softener installation - softener,

Water softener installation - softener,

£49.58
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Kube non electric water - kube, non-electric

Kube non electric water - kube, non-electric

£199.99
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Calgon 1 washing - calgon,

Calgon 1 washing - calgon,

£19.99
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Water softener steel braided - softener,

Water softener steel braided - softener,

£14.54
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Powerful magnetic water - magnetic,

Powerful magnetic water - magnetic,

£16.20
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Harvey minimax non - minimax, electric

Harvey minimax non - minimax, electric

£440.20
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Calgon water softener - calgon, 4

Calgon water softener - calgon, 4

£22.97
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Water softener bypass valve - bypass,

Water softener bypass valve - bypass,

£49.00
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Softenergeeks e10 ultra - softenergeeks, e10-ultra

Softenergeeks e10 ultra - softenergeeks, e10-ultra

£365.00
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Water softener removal kit - removal,

Water softener removal kit - removal,

£13.99
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Stage undersink ultra - stage, uv

Stage undersink ultra - stage, uv

£101.00
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📊96 listings · from £3.99 · avg £244.02

Browse 96 water softener listings currently in our index. Prices range from £3.99 to £1099.99, with an average of £244.02. 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 water softener →

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Everything you need to know about water softener

Whether you are looking for a brand-new or second-hand water softener, 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 £3.99, while premium listings can reach £1099.99 — giving you a wide budget spread to work with. The average price of £244.02 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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