Best Water Softener System of 2025
Last updated on 22/09/2025
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Best Choice
1
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
25% OffFree Shipping
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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
25% OffFree Shipping
Why we love it
- Certified for total water safety.
- Compact, space-saving tankless design.
- Real-time TDS water monitoring.
Main Highlights
- 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.
- 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.
- 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.
- 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.
- 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.
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Value for Money
2
Waterdrop G3P600 Reverse Osmosis Water Filter, 600 GPD, Water Softener, Reduce TDS, Reduce Scale, Enhance the Flavor of Coffee and Tea, 2:1 Pure to Drain, Smart LED Faucet
Waterdrop
5% OffFree Shipping
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Waterdrop
Waterdrop G3P600 Reverse Osmosis Water Filter, 600 GPD, Water Softener, Reduce TDS, Reduce Scale, Enhance the Flavor of Coffee and Tea, 2:1 Pure to Drain, Smart LED Faucet
5% OffFree Shipping
Why we love it
- Certified for safety and efficiency.
- High capacity with low waste.
- Smart faucet displays water quality.
Main Highlights
- NSF/ANSI 42& 58 & 372 Certified, 600 GPD, 8-stage Filtration, Smart LED Faucet, Water Softener, Reduce TDS, Reduce Scale, Enhance the Flavor of Coffee and Tea
- [𝐓𝐫𝐮𝐬𝐭𝐞𝐝 𝐜𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬] Waterdrop G3P600 reverse osmosis water filter system is certified against NSF/ANSI 58 for TDS reduction and NSF/ANSI 372 certified for lead-free material. Also it has been tested and certified against NSF 42 to reduce chlorine, bad taste and odor. The tankless reverse osmosis system is also certified by the Federal Communications Commission. Besides, it meets the EU Standards and UKCA Standards for safety.
- [𝟔𝟎𝟎𝐆𝐏𝐃 𝐡𝐢𝐠𝐡 𝐜𝐚𝐩𝐚𝐜𝐢𝐭𝐲, 𝟐:𝟏 𝐥𝐨𝐰 𝐝𝐫𝐚𝐢𝐧 𝐫𝐚𝐭𝐢𝐨] As an upgraded reverse osmosis system, the G3P600 reverse osmosis water filter system produces 600 gallons of filtered water per day. By its low drain ratio, this system can produce only one cup of waste water for every two cups of pure water produced. Furthermore, with a fast and stable water flow rate, this RO system fills a 8 oz cup of water in 8 seconds, which is ideal for drinking and washing vegetables.
- [𝟖-𝐬𝐭𝐚𝐠𝐞 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧] Tested by official third-party laboratory (SGS), the reverse osmosis system can effectively reduce TDS, chromium, PFAS, radium, fluoride, arsenic salt, iron, calcium, particles, chloride, chlorine and radioactive substances in your tap water. And our RO water filter system can reduce chemicals such as vinyl chloride, ethylhexyl acrylate, isobutylene, ethylene glycol, according to the reverse osmosis membrane technical manual.
- [𝐒𝐦𝐚𝐫𝐭 𝐝𝐢𝐬𝐩𝐥𝐚𝐲 𝐟𝐚𝐮𝐜𝐞𝐭] The G3P600 under sink reverse osmosis is built with a smart display faucet. For instance, the TDS monitor tells you the quality of your filtered water, while the filter life tracker shows how soon you need to replace your filter. And we highly recommend using the Waterdrop authentic RO faucet as other brands may not be compatible with your system. If you have any doubts, please reach out to our customer service before buying.
- 𝐓𝐚𝐧𝐤𝐥𝐞𝐬𝐬 𝐝𝐞𝐬𝐢𝐠𝐧: Waterdrop G3 reverse osmosis system has a stylish look. This tankless design saves 70% under sink space. You can change a filter in 3 seconds without moving the system or using any tools. Note: This reverse osmosis system requires under-sink electricity.
- Three filters are included in the package. Search "𝐖𝐃-𝐆𝟑𝐏𝟔𝟎𝟎" for replacement filters.
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3
Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people
Monarch Water
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Monarch Water
Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people
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Why we love it
- High quality, durable, and certified.
- Provides extensive warranty for assurance.
- Ensures limescale-free water supply.
Main Highlights
- WRAS-approved – demonstrating quality and durability of the highest standard
- 7-year parts and 2-year labour warranty – for complete peace of mind
- Removes existing limescale and prevents any new scale forming
- Protects your appliances. Kinder to your skin and hair
- Sustainable, efficient and saves you money
- Includes Rapid-Fit bypass which reduces the components needed for installation by up to 80%
- Flow rates up to 78 lpm
- Built in customer protect programme (CPP)
- Daily capacity of 2,280 litres (at 300ppm)
- Complete with full installation kit (suitable for 15mm supplies) and water hardness test kit
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4
Monarch Water Ultimate Midi HE WRAS-Approved Water Softener for 15mm Supplies, Suitable for 1-6 People and Includes 10kg Monarch Tablet Salt
Monarch Water
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Monarch Water
Monarch Water Ultimate Midi HE WRAS-Approved Water Softener for 15mm Supplies, Suitable for 1-6 People and Includes 10kg Monarch Tablet Salt
Why we love it
- Quality and durability ensured.
- Protection for skin and hair.
- Saves money, sustainable solution.
Main Highlights
- WRAS-approved – demonstrating quality and durability of the highest standard
- 7-year parts and 2-year labour warranty – for complete peace of mind
- Removes existing limescale and prevents any new scale forming
- Protects your appliances. Kinder to your skin and hair
- Sustainable, efficient and saves you money
- Includes Rapid-Fit bypass which reduces the components needed for installation by up to 80%
- Flow rates up to 78 lpm
- Built in customer protect programme (CPP)
- Daily capacity of 2,280 litres (at 300ppm)
- Complete with full installation kit (suitable for 15mm supplies) and water hardness test kit
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5
BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres
BWT
7% OffFree Shipping
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BWT
BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres
7% OffFree Shipping
Why we love it
- Compact design fits anywhere.
- Installation is a breeze.
- Warranty ensures peace of mind.
Main Highlights
- Compact design: fits in a kitchen cupboard
- Easy to install
- Includes installation kit
- 5 years parts & 2 years labour at home warranty
- All materials are BS6920 Certified
- Free Home Commissioning
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6
BWT WS455 Hi Flow Electronic Demand Block/Tablet Water Softener, Blue, 10 Litre
BWT
10% Off
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BWT
BWT WS455 Hi Flow Electronic Demand Block/Tablet Water Softener, Blue, 10 Litre
10% Off
Why we love it
- Perfect for large family needs.
- Convenient, space-saving installation.
- Ensures simple setup and usage.
Main Highlights
- Family sized water softener
- Fits in a kitchen cupboard
- Low voltage transformer can simply be plugged into a close by electrical socket
- Easy to install, Includes installation kit
- Easy to set up and use
- 5 years parts and 2 years labour at home warranty
- Free Home Commissioning
- All materials are BS6920 Certified
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7
Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
Tapworks
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Tapworks
Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
Why we love it
- Full installation kit included.
- Metered for easyflow.
- Elegant grey and white.
Main Highlights
- Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
- Product type: WATER PURIFICATION UNIT
- Brand: Tapworks
- Tapworks NSC11PRO Water Softener Easyflow Metered - Full Installation Kit +Hoses
- Color: grey,white
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8
BWT WS355 Standard Electronic Water Softener, Blue, 14 Litre
BWT
16% OffFree Shipping
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BWT
BWT WS355 Standard Electronic Water Softener, Blue, 14 Litre
16% OffFree Shipping
Why we love it
- Fits in any kitchen cupboard.
- Simple and trouble-free installation.
- Certified for secure usage.
Main Highlights
- Family sized water softener
- Fits in a kitchen cupboard
- Easy to install, set up and use
- Includes installation kit
- Free Home Commissioning
- 5 years parts and 2 years labour at home warranty
- All materials are BS6920 Certified
- Tablet salt
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9
iSpring RCC1UP-AK 100GPD Under Sink 7-Stage Reverse Osmosis RO Drinking Filtration System and Ultimate Water Softener with Alkaline Remineralization, Booster Pump and UV Ultraviolet Filter
iSpring
5% OffFree Shipping
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iSpring
iSpring RCC1UP-AK 100GPD Under Sink 7-Stage Reverse Osmosis RO Drinking Filtration System and Ultimate Water Softener with Alkaline Remineralization, Booster Pump and UV Ultraviolet Filter
5% OffFree Shipping
Why we love it
- Quality 7-stage filtration ensures.
- Booster pump enhances performance.
- DIY installation is possible.
Main Highlights
- 【QUALITY 7-STAGE FILTRATION】: This Reverse Osmosis (RO) water filtration system removes up to 99% of over 1,000 harmful contaminants like chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, calcium, sodium, and more.
- 【BOOSTER PUMP】: Reverse Osmosis produces filtered drinking water by pressurizing water molecules through RO membrane and leaving impurities out. Equipped with an electric booster pump enables standard RO performance regardless of pressure variations; delivering higher throughput with less wastewater in comparing to pumpless models.
- 【UV FILTER STAGE】: The UV stage comes with a smart Flow Sensor Switch turns the UV unit on and off with 3 minutes delay automatically with water flow, saving power and lengthening the life of the UV lamp.
- 【FEATURES】: Come with European-Style brushed nickel kitchen faucet with the rust-free finish. The 1st stage has see-through housing that enables convenient visual inspection of filter condition. Our water filter features 3 pre-filters (to remove large contaminants and protect RO filter from chemicals) (RO) filter (to remove contaminants down to 0.0001 microns), and (AK) filter to finally restore just the right proportion of healthy minerals and a natural balance.
- 【DO-IT-YOURSELF INSTALLATION】: Typically, in a couple of hours with industry-leading help just a phone call away. Fits under a standard kitchen sink, with all parts included and instructions and videos. For leak-free installation, simply push the tubing into quick-fitting connectors and lock; no threading pipes needed. iSpring water softener is equipped with quality components to ensure reliability and low maintenance for many years to come.
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10
Uniprodo Automatic Water Softener System Descaling Hard Water 1-6 PPL. 12L 1.4-2.6m3/hr UNI_WATERSOFTENER_1000A (Control Valve ASD2, Operating Pressure 1.5-5.0 bar, 20kg Salt)
Uniprodo
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Uniprodo
Uniprodo Automatic Water Softener System Descaling Hard Water 1-6 PPL. 12L 1.4-2.6m3/hr UNI_WATERSOFTENER_1000A (Control Valve ASD2, Operating Pressure 1.5-5.0 bar, 20kg Salt)
Why we love it
- Automatic ASD2 softener valve.
- Ensures long service life.
- Ideal for households, businesses.
Main Highlights
- Simple—no complex configurations thanks to the automatic ASD2 softener valve
- Long-lasting—the automatic regeneration mode ensures a long service life without maintenance
- Custom-fit—with a resin volume of 12 L, this water softener system is ideal for households and businesses with 1 to 6 people
- Efficient—water flow rate of up to 2.6 m³/hr
- Powerful—the water softener unit has an operating pressure of 0.15 to 0.5 MPa or 1.5 to 5.0 bar
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