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5 Best Water Softener Systems of 2025

Last Updated - 06/10/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Waterdrop

Waterdrop X8 Reverse Osmosis System, Water Softener, NSF/ANSI 58&372 Certified, 800 GPD Tankless Reverse Osmosis Water Filter, 9-Stage Undersink RO Water Filtration System, 2:1 Pure to Drain

Waterdrop

£799.00

More Details
Main highlights
- 𝗧𝗮𝗻𝗸𝗹𝗲𝘀𝘀 𝗘𝗮𝘀𝗲: This reverse osmosis water system has a compact and stylish look. Compared with the traditional tank RO system, it saves 70% undersink space. You can effortlessly replace the filters in 3s without moving the system or using any tools. Note: This reverse osmosis system requires under-sink electricity.
- 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝘁 𝗮𝗻𝗱 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻: This tankless RO system boasts a smart faucet to track water quality with real-time TDS monitoring. And its filter life reminder function can help you replace filters in time to ensure your drinking water quality. The 24-month RO filter lifespan saves you the hassle and cost of frequent replacement.
- 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁 𝗙𝗶𝗹𝘁𝗿𝗮𝘁𝗶𝗼𝗻: The reverse osmosis water filter can filter 800 gallons of pure water per day. By its 2:1 low drain ratio, this system can produce only one cup of wastewater for every two cups of pure water, which is ideal for daily drinking and cooking.
- 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗥𝗢 𝗙𝗶𝗹𝘁𝗿𝗮𝘁𝗶𝗼𝗻: This undersink reverse osmosis water filter effectively reduces Chloride, Lead, TDS, Fluoride, PFOA, PFOS, Sand, Odor, Taste, Salt, and more. It boasts a 9-stage filtration including 0.0001μm RO membrane to guarantee water safety and quality.
- 𝐓𝐫𝐮𝐬𝐭𝐞𝐝 𝗖𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Waterdrop X8 reverse osmosis system is certified against NSF/ANSI 58 for TDS reduction and NSF/ANSI 372 certified for lead-free material to ensure your water safety and quality.
£799.00
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Monarch Water

Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people

Monarch Water

£733.33

More Details
Main highlights
- WRAS-approved – demonstrating quality and durability of the highest standard
- Sustainable, efficient and saves you money
- Removes existing limescale and prevents any new scale forming
- Protects your appliances. Kinder to your skin and hair
- Includes Rapid-Fit bypass which reduces the components needed for installation by up to 80%
- Flow rates up to 78 lpm
- Daily capacity of 2,280 litres (at 300ppm)
- Complete with full installation kit (suitable for 15mm supplies) and water hardness test kit
- Built in customer protect programme (CPP)
- 7-year parts and 2-year labour warranty – for complete peace of mind
£733.33
3
Best Value
16% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BWT
16% Off

BWT WS355 Standard Electronic Water Softener, Blue, 14 Litre

BWT

£543.39

£647.38
(16% Off)

More Details
Main highlights
- Tablet salt
- Includes installation kit
- Free Home Commissioning
- Fits in a kitchen cupboard
- Family sized water softener
- Easy to install, set up and use
- All materials are BS6920 Certified
- 5 years parts and 2 years labour at home warranty
£543.39
£647.38 (16% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BWT

BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres

BWT

£699.00

More Details
Main highlights
- Includes installation kit
- Free Home Commissioning
- Easy to install
- Compact design: fits in a kitchen cupboard
- All materials are BS6920 Certified
- 5 years parts & 2 years labour at home warranty
£699.00
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

DVA

12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.

DVA

£115.00

More Details
Main highlights
- Product type: WATER PURIFICATION UNIT
- Brand: DVA
- 12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.
- 12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.
£115.00

5 Best Water Softener Systems of 2025

Waterdrop X8 Reverse Osmosis System, Water Softener, NSF/ANSI 58&372 Certified, 800 GPD Tankless Reverse Osmosis Water Filter, 9-Stage Undersink RO Water Filtration System, 2:1 Pure to Drain

Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people

BWT WS355 Standard Electronic Water Softener, Blue, 14 Litre

BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres

12 Litre DVA Water Softener Manual Salt Regeneration Type for Commercial Dishwasher GLASSWASHER Coffee Machines ETC.

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