Luxury Water Softener - WS 255
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Luxury Water Softener – WS 255

The WS 255 has a compact design that fits neatly into kitchen cupboards, utility rooms, or garages—depending on your water supply setup. With the option to use block salt, it’s both efficient and cost-effective. Supplied with a 15mm installation kit, it’s compatible with all common UK hot water systems.

 

  • Compact size fits a wide range of kitchen cupboards

  • High flow rates – ideal for power showers

  • Compatible with tablet salt

  • 15mm hoses and valves ensure strong, unrestricted water flow

  • Fully automatic – just top up the salt when needed

  • Smart water monitoring reduces salt and water usage

£673.28

Do you require installation?

Chosen Softener + £360* Fixed Price Installation

(subject to free site survey*)

*Includes installation, installation kit, associated plumbing and salt starter pack. This service is only available in selected areas at this time, please continue to check availability in your area

£1,033.28

CHECK AVAILABILITY
*

The price shown is for a standard Installation, our free site survey will confirm whether this is possible or not within your home. Additional cost may be required if non standard installation. Click here for more details

The WS 255 belongs to a sleek, space-saving range of modern water softeners specifically designed for UK homes and plumbing systems. Each model is simple to install and user-friendly.

Household size:  Up to 4 persons
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: 15mm Valves and Flexible hoses (Overflow pipe not supplied)
Location: Suitable for floor standing kitchen cupboard (width >500mm) or floor standing
Salt type: BWT Tablet salt
Operation: Electronic control system – softener adapts to your life style
Regeneration Frequency: When needed dependent on water used typically every 3 days
Warranty: 5 year parts and 2 year @home Labour
Commissioning: By BWT Engineer
Approvals: WRAS

Home Commissioning

This is the ideal way to ensure your new Luxury Water Softener is expertly configured for your home, lifestyle, and local water conditions. With professional setup, your Luxury Water Softener will quickly adapt to your household’s typical water usage—delivering a continuous supply of silky-soft Luxury Water while optimising salt and water consumption.

BWT’s @Home Commissioning service also gives you the perfect opportunity to ask questions and gain confidence in using your new system.

Market Leading Warranty

The WS 255 comes with a comprehensive @Home warranty – 5 years parts and 2 years labour included.
In the unlikely event of a problem, there’s no need to return your softener. We’ll come to you. One of our fully trained engineers will get your trusted appliance up and running again at no cost during the warranty period.
And when your warranty ends, you can easily extend it for a small fee; giving you continued peace of mind and uninterrupted enjoyment of Luxury Water.

BWT WS Water Softener Type WS 255
Nominal connection (outside thread) BSP ¾“ (DN 20)
Nominal flow rate in accordance with EN 14743 l/h 1440
Operating pressure (min./max.) bar 1.7 / 5.0
Operating flow range (min./max.) l/min 10 / 50
Maximum flow rate * l/min 30/50
Quantity of ion-exchange resin l 10
Nominal capacity Litres 1667
Capacity salt reservoir kg 15
Salt consumption per regeneration kg 1.2 – 2.0
Water consumption per regeneration l <75
Protection class IP 51
Water temperature (min./max.) °C 49
Ambient temperature (min./max.) °C 5/40
Electrical connection V/Hz 220/12
Dimensions: Width x depth x height (W x D2 x H) mm 270 x 480 x 532
Connection height (A) / Overflow height (S) mm 345 / 250
Operating weight, approx. kg 40
Fitting Kit mm Standard 15m Valves and Hoses
*Tested with Hi Flow connection – continuous operation at this level may affect softening efficiency Hi Flow install kit available at additional cost, ask for details

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 established as: Soft Water less than 100 PPM 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?

There are no real reasons why you cannot drink softened water, for most people it is a matter of choice and lifestyle. However, for those that have installed a water softener, please be mindful that softened water does contain a slight increase in the amount of sodium, the actual amount of which will depend on your local water hardness and is therefore not recommended for people who are on a low sodium diet, for the preparation of baby formula milk, or for areas where the hardness exceeds 390ppm. Please also note in line with guidance an untreated water tap should be available within the property.

Can You Use Water Softener Salt in 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 dishwasher’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 ‘Plug In’ 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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WS255 Operating Manual
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1MB
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pdf
WS255 Quick Start Guide
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2MB
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