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OnePipe Pearlwater 10

Experience the perfect blend of luxury and sustainability: silky-soft water for your home and mineral-rich Pearlwater for drinkingโ€”delivered through one seamless system that helps reduce COโ‚‚ emissions.

  • Wi-fi enabled compact water softener for silky soft Pearlwater all around your home
  • Advanced mineralized drinking water system connects to your existing tap
  • Filter and remineralizing cartridge for water rich in Magnesium, Calcium, Silicate and Bicarbonate
  • Bio Cell for advanced water hygiene security
  • Personal online demonstrations and adviser available on request
  • 1 years parts and labour @home warranty (upgradeable to 15 years*)

*When you join BWT Pearlwaterโ€“ CARE PLUSโ„ข Warranty and Care Plan

£1,799.20

One Pipe Pearlwater

Shape your Pearlwater Experience

Since 2016, Luxury water has set the standard for Pearlwater solutions in the UK. Our story is about elevating everyday experiences with the softest and best-tasting water. We have been so successful many have copied our approach, but few can match our level of service and innovation so join us today and move to the next level again by making your home a Pearlwater Home.

Outstanding technical advanced products are only part of the story. Unlike other brands, The Pearlwater Experience allows you to control the journey at every touch point. Enjoy just the amount of support you would like, no pushy salesperson or home visits that run into the night. Instead, you choose whether to talk to your dedicated Pearlwater Advisor on the phone, on Teams, or in person.

The Pearlwater Experience allows you to bring advanced water softening and remineralization technology to deliver a whole house experience. The latest generation of BWT water softeners transforms your tap water into the softest Pearlwater. which can then be enriched with essential minerals like magnesium, silicate, bicarbonates, and calcium, creating a taste tingling drinking water at the push of a button straight from your tap.

With Pearlwater, luxury becomes standard. From your morning shower to the softest bedding at the end of the day. Our commitment to excellence means every drop is crafted for comfort, health, and indulgence. Discover the joy of water that pampers your skin, protects your appliances, and delights your taste buds. Make the switch today and make your home a PearlWater home.

Immediately after hard water flows through the water pipeline into a building a BWT PerlaMAXX, the latest generation of BWT water softeners, transforms the water into the softest Pearlwater with a hardness level of up to zero in private homes.

The BWT Pearlwater Mineralizer Kitchen Set is an
innovative under-the-sink solution that can be installed in most kitchens. At the push of a button, it can mineralize the previously softened or hard water with magnesium, silicate as well as bicarbonates and calcium and turns it into mineralized drinking water.

Pearlwater Benefits Online

Not having a salesperson call doesnโ€™t mean missing out on our in-house demonstrations. Starting early in 2026 you will be able to:

Book an online demonstration: Connect with your Pearlwater Advisor on Teams and see Pearlwater in action and the difference Pearlwater could make in your home. These online demonstrations allow you to ask questions or for things to be repeated in real time with a real person. Of course, we are more than happy to book an appointment to call round if you prefer. 

Our BWT Pearlwaterโ€“ CARE PLUSโ„ข Warranty and Care Plan gives you the advantages of these additional benefits:

  • Bi-Annual Service: Available for a small monthly charge and enjoy a regular service that includes a new drinking water cartridge as standard.
    –      Plus the peace of mind of a lifetime warranty
    –      Plus a new BWT water softener after 15 years. Click here to learn more!
  • Priority Support: Dedicated Pearlwater Advisor. Get fast, expert help whenever you need it.
  • Free Salt Pack: Start softening right away with our complimentary salt pack.
  • Discounted Salt Packages: Save on ongoing maintenance.

PerlaMaxx

The BWT PerlaMAXX combines a design that feels instantly familiar and reassuring with innovations that redefine performance and elevate everyday luxury. These single-column softeners effectively remove limescale using ion-exchange resin technology. Delivering the softest, silkiest Pearlwater for you and your home.

With built-in Wi-Fi connectivity, installation, product registration, and appliance management are made simple through the BWT Best Water App. The unit also benefits from intelligent and proportional regeneration management which minimizes salt and water consumption, ensuring sustainable and cost-effective operation.

  • Intelligent digital control for silky soft luxury water on demand
  • Wi-fi enabled for easy monitoring and control via the BWT @home app.
  • Intuitive icon-driven widescreen display
  • Bio Cell helps ensure softener hygiene with every regeneration.
  • Blending valve for the soft water you desire
  • Convenient salt level reminder
  • Uses widely available standard block and tablet salt
  • Proportional brining for optimal salt and water usage
Pearlwater-mixxo-kit

Pearlwater Mineralizer Kitchen Set

The Pearlwater system includes an elegant drinking water solution that brings perfectly mineralized drinking water straight to your existing kitchen tap. The BWT Pearlwater Mineralizer Kitchen Set features two essential components.

The MIXXO Pro unit is a compact under-sink system that installs quickly without drilling or extra plumbing. With one button, switch from silky-soft Pearlwater to mineralized drinking water then back to regular cold water in seconds. The Pearlwater Mineralizer Cartridge adds essential minerals and removes impurities for fresh, great-tasting water straight from your tap.

  • Compact, under sink drinking water system
  • Connects to your existing tap
  • Wi-fi and Bluetooth connectivity
  • Real-time monitoring via the BWT Best Water app
  • LED Indicators โ€“ signals to show water mode
  • Up to 3,000 litres
  • Mineralized water at the push of a button

If you are on a low Sodium diet or feeding an infant, please click here.

One Pipe, One App

One Pipe Power delivers more than just superior water quality from a single pipe. It combines first-class service and expert consultation with cutting-edge digital management via the intelligent BWT Best Water app. This app puts control directly in the userโ€™s hands, offering a suite of practical features for centralized application, documentation, monitoring, and expert guidance.

The status display shows water consumption, device settings, and current system status. Its amazing real-time alert function sends notifications about the device conditions and upcoming maintenance requirements. By turning any smartphone into a personal water assistant, it ensures essential tasks are managed anytime, anywhere, simplifying water management like never before.

Pearlwater-app
Pearlwater mineralizer kit
Promotional image of Pearlwater
Pearlwater from kitchen tap

Professional Installation

At BWT, we make your journey to better water simple and stress-free. For selected areas, we offer a professional installation service for the PerlaMaxx 10/20 water softeners and the Pearlwater Magnesium Mineralizer Kitchen Set. Customers can easily check availability using our postcode finder on the BWT webshop.

We can also connect you with trusted partners, experienced plumbers, bathroom specialists, and kitchen fitters. Prefer to arrange your own installer? Thatโ€™s fine too! Both the PerlaMaxx and Magnesium Mineralizer come with comprehensive fitting kits, making installation straightforward for any competent DIYer with plumbing experience.


Flexible Support โ€“ Your Water, Your Way

When BWT installs your softener, weโ€™ll commission the system to ensure perfect performance. Free commissioning is also available for units installed by third parties. Plus, our Pearlwater Advisors and dedicated customer service team are always ready to help with installation support.

From early 2026, customers in selected areas can request an online survey tool via Teams or a home visit, making it easier than ever to choose the right softener and confirm installation feasibility. Our online survey tool also helps you plan your installation with confidence. With the Pearlwater Experience, youโ€™re in control. Choose the level of support you need and turn your home into a Pearlwater Home.

Home Commissioning

is the perfect way to ensure your new Luxury water softener is perfectly set up for you, your home, your lifestyle and your local water conditions. Set up correctly, your new Luxury Water softener will adapt to your normal water usage. This ensure that you have copious amounts of silky soft Pearlwater and minimises your water and salt usage. BWTโ€™s @ Home Commissioning also provides the perfect opportunity for you to ask any questions.

BWT-perlamaxx-2

Market Leading Warranty

Enjoy peace of mind with our hassle-free, on-site service warranty. The PerlaMaxx is supplied with a full 1 year parts and labour @home warranty. Should your new water softener experience a problem, thereโ€™s no need to worry. Our @home service means one of our fully trained service engineers will come to you and have it up and running again in no time at all and at no extra cost to you.

Pearlwater CARE PLUSโ„ข Warranty and Care Plan

Take out our Pearlwaterโ€“ CARE PLUSโ„ข Warranty and Care Plan within 90 days of purchase and enjoy the benefits of a bi-annual service and health check, a yearly filter replacement and a lifetime guarantee. Stay with us for 15 years or longer and your next BWT water softener is free. You only pay for us to swap it out. With Pearlwater for life, you can simply sit back and relax, cossetted by BWT Pearlwater.

Important Note:

For certain groups of people including, infants and those on a low sodium diet, it is recommended to connect the Pearlwater mineralizer to the water supply before the water softener.  Additionally, local regulations may have an upper limit on the acceptable sodium levels for drinking water. The level of sodium released due to the softening process will be higher the harder your water supply and so it may be possible to hit this limit, in these areas we recommend either installing the Pearlwater mineralizer to the water supply before the water softener or alternatively using the blending valve to reduce the softening effect and therefore the residual sodium levels. In the event of uncertainty please see the installation diagram(s), always check your local regulations and if you are unsure contact your local BWT company for advice.

Additional information

Type

Wi-fi enabled, digitally controlled, ion exchange domestic water softener

Internet Connectivity

Wi-fi

Plumbing compatibility

Standard (Gravity fed) and pressurised systems up 22mm

Installation requirements

Close proximity to rising main and stopcock + Standard 13 amp plug socket

Installation Kit

22mm Valves and Flexible hoses Uniconnect bypass valve block (Overflow pipe not supplied)

Location

Suitable for kitchen, utility room, plant room or attached Garage – Installation

Salt type

BWT block and tablet salt

Water Hygiene

Bio Cell helps ensure softener hygiene with every regeneration

Operation

Electronic control system – softener adapts to your life style

Regeneration frequency

On demand

Warranty

1 year parts and labour @home Labour (Upgradeable to BWT Pearlwaterโ€“ CARE PLUSโ„ข Warranty and Care Plan)

Commissioning

Optional By BWT Engineer

 

BWT PerlaMAXX

Type

20

Nominal connection (outside thread)

BSP

ยพโ€œ (DN 20)

Nominal flow rate in accordance with EN 14743

l/h

1680

Operating pressure (min./max.)

bar

1.7 / 5.0

Operating flow range (min./max.)

l/min

5 / 50

Maximum flow rate *

l/min

80

Quantity of ion-exchange resin

l

20

Nominal capacity (EN 14743) /(CaCO3 mmol/l)

mยณxยฐdH/mol/ppm

60 / 10.7 / 1070

Capacity salt reservoir

kg

24

Salt consumption per regeneration

kg

2.5

Water consumption per regeneration

l

125

Protection class

IP

51

Water temperature (min./max.)

ยฐC

5 /30

Ambient temperature (min./max.)

ยฐC

5 /40

Electrical connection

V/Hz

230 / 50

Dimensions: Width x depth x height (W x D2 x H)

mm

276 x 470 x 803

Connection height (A) / Overflow height (S)

mm

622/ 527

Operating weight, approx.

kg

65

BWT Pearlwater Mineralizer Kitchen Set Powered by MIXXO PRO

ย 

Operating Conditions

Water temperature (in use)

5 โ€“ 30 ยฐC

Ambient temperature (in use)

4 โ€“ 40 ยฐC

Ambient temperature (in transport/storage)

-20 โ€“ +40 ยฐC

Nominal flow

180 l/h

Water pressure

2 โ€“ 6 bar

Power supply

100 โ€“ 240 V / 50/60 Hz

Power consumption

12 V โ€“ 1 A

Protection class (Main Unit/Remote Control)

IP44 / IPX5

Connection

Connection to cold water supply

3/8โ€œ (female, union nut)

Connection to mineralizer cartridge

3/8โ€œ (male)

Connection from mineralizer cartridge

3/8โ€œ (male)

Connection to tap

3/8โ€œ (male)

 

What is Hard Water?

Hard Water is water that contains dissolved hardness minerals above 100 parts per million (PPM). Relative levels of hardness have been establish as Soft Water less than 100PPM, Slightly Hard 100 TO 200 PPM, Hard 300 TO 400 PPM, Very Hard 400 and above.

How Does a Water Softener Work?

BWT water softeners work on the ion exchange principle. They work by passing the incoming water supply through the resin bed, that removes all excess minerals and impurities. As a result, the calcium and magnesium cling to the resin beads and are replaced by sodium ions. The resin bed can only capture a certain amount of minerals, and when this limit is reached, the system is regenerated by flushing it with a brine solution. This helps in the removal of calcium deposits and replenishes the resin with sodium ions. Therefore, with water softeners you can easily turn your hard water into softened water.

Can You Drink Softened Water?

Yes, you can. There are no real reasons why you cannot drink softened water, for most people it is a matter of choice and lifestyle. However, for certain groups of people including, infants and those on a low sodium diet, it is recommended to connect the Pearlwater mineralizer to the water supply before the water softener. ย Additionally, local regulations may have an upper limit on the acceptable sodium levels for drinking water. The level of sodium released due to the softening process will be higher the harder your water supply and so it may be possible to hit this limit, in these areas we recommend either installing the Pearlwater mineralizer to the water supply before the water softener or alternatively using the blending valve to reduce the softening effect and therefore the residual sodium levels. In the event of uncertainty please see the installation diagram(s), always check your local regulations and if you are unsure contact your local BWT company for advice.

How long do the Mineralized cartridges last?

The cartridges supplied with your OnePipe Pearlwater system deliver approximately 3,000 litres of beautifully mineralized water โ€” enough for an average of 12 months of everyday use. Should your household usage be higher, additional cartridges are available to order from the BWT Shop at a competitive price, so you're never without great-tasting water.

Can I use any high quality water softener salt?

Yes, you can. The BWT PerlaMAXX works with both tablet and block salt. We recommend high-purity PDV (Pure Dried Vacuum) salt for best results. Please avoid cheaper sea salts, as these can contain impurities that would affect your softener's performance.

Can I use OnePipe Pearlwater Mineralized Water for hot drinks?

OnePipe Pearlwater mineralized water is specifically formulated for cold drinking water, where its carefully balanced blend of magnesium, calcium, and silicates truly shines. When used for hot drinks, the heat may increase the likelihood of scaling in your machine over time.

Can You Use Water Softener Salt in a Dishwater?

Once you have installed a water softener in your home, it is unlikely that you will need to add extra salt in your dishwasher. Simply change your dishwasherโ€™s internal water softener setting to the off position or alternatively ensure the incoming water hardness setting is at its lowest/softest.

How Much Time Does It take to install a Water Softener System?

The Installation time will depend on where the water softener is going to be installed and the experience of the installer. Given a suitable location with easy access to the necessary services we would expect an experienced installer to allow 3-4 hours. Check out our video on our YouTube channel How to install a BWT Water Softener, where we have explained the installation process.

Are the BWT water softeners Electric Powered?

The WS range softeners use a โ€˜Plug Inโ€™ type transformer. The low voltage system is used to power the electronic control system and the valve during regeneration. The result is a water softener that can be set up to suit your local water conditions and that can adapt to your lifestyle. The electricity used is minimal and the small diameter cable from the transformer can in most cases be easily routed from the socket to the softener.

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OnePipe Pearlwater Brochure
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Operating Manual
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Quick Start Guide
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PerlaMaxx 20 Technical Data Sheet
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1MB
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Wifi instructions
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BWT Pearlwater – CARE PLUSโ„ข Warranty and Care Plan
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