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BWTWS555 | Hi Flow Luxury Water Softener | Takes Block Or Tablet Salt | 14 litres

BWTWS555 | Hi Flow Luxury Water Softener | Takes Block Or Tablet Salt | 14 litres

Q: What is the difference between ws355 and ws555? both are 14 litre

Hi The difference is that the 355 is supplied with two 15mm hoses for connection and has a limited flow rate because of this. However, the 555 is what is known as a Hi- Flo and is supplied with two 22mm hoses. The softeners are exactly the same except for the connection sizes. Why two sizes? If you have what is known as a ‘Unvented Hot Water System’ where the domestic hot water cylinder is under mains pressure you must install the WS555 with the 22mm hoses provided. If however you have a vented hot water system (cold tank in the loft) with a copper cylinder for hot water; OR a Combi Boiler, the WS355 is the correct one using 15mm hoses.

Q: What are the annual running costs? Do you just have to buy salt blocks, anything else? Thanks, I am considering buying my 1st water softener.

Hi, Thank you for your question about the WS555 Water softeners only require periodically topping up of salt, water for the regeneration process and a minimal amount of electricity. The exact amount will vary depending on the size of the household and the local water hardness. Around 75 Lts of water and 1.2 Kgs salt produces 1600 Lts of softened water at 300 ppm hardness. The WS555 water softener is controlled by a microprocessor which constantly monitors water usage. The system will build up a history of your water requirements and calculate the most economical regeneration pattern. This will ensure a constant supply of softened water whilst maintaining high levels of water and salt efficiency. As this water softener uses a proportional brining system, more frequent regenerations do not necessarily mean higher water / salt usage. The saving on toiletries, household cleaning and laundry products can also offset any running costs reducing the impact on the family budget to a minimum. If you have more questions, please call us on 01494 8381 00 during normal office hours . Thank you

Q: can this be fitted if we have a hot water tap

Hi, thank you for your question. If the hot water tap is for drinking, then it is not ideal to supply it with softened water. If you have any more questions regarding, please feel free to ask. Kind regards, BWT Marketing Team

Q: Is the water safe to drink or tastes of salt?

Whilst small quantities of salt softened water are probably ok to drink, this is NOT recommended, so you would need to separate soft (e.g. shower, bath, loos) water pipes from hard (e.g. drinking taps and water for kettle) - I haven’t noticed if our softened water tastes of salt in the shower etc so any taste would be subtle, but I don’t recommend that you try! Hope that helps. More detail on the BWT website.

Product ID: 65944799

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Details

Brand
BWT
Special feature
Compact Design
Product dimensions
48L x 27W x
Package information
Dispenser
Installation type
Under Sink
Power source
AC/DC

💧14L high-capacity tank

⚙️Easy under-sink installation

🛡️5-year parts & 2-year labor warranty

Frequently Bought Together

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

BWT Water Softener Block Salt SALTBLO 8 kg (Set of 2 Pieces)

pack of 3 Water Softener Salt Blocks 100% Genuine Food Grade water softener salt block Compatible to All Water Softener Machine, Best For Laundry Kitchen Dishwasher Industrial use Salt Block 3 pack

Description

💧 Elevate your water game with luxury softening—because your home deserves the best.

BUILT TO LAST - BS6920 certified materials ensure safe, durable performance backed by a 5-year parts warranty.
SALT FLEXIBILITY - Compatible with both block and tablet salt—choose your preferred maintenance routine.
COMPACT POWERHOUSE - Sleek 48x27x60 cm design fits discreetly under your kitchen sink—style meets space-saving.
PEACE OF MIND INCLUDED - Free home commissioning and 2 years labor warranty mean expert support from day one.
PLUG PLAY SIMPLICITY - Comes with a full installation kit for hassle-free setup—get soft water flowing fast.

The BWT WS555 Hi Flow Luxury Water Softener is a compact, under-sink system with a 14-litre capacity designed for easy installation and maintenance. It supports both block and tablet salt, operates under a maximum pressure of 5 bars, and is built with BS6920 certified materials. Backed by a 5-year parts and 2-year labor warranty, it includes free home commissioning to ensure optimal performance and peace of mind.

Specifications

Manufacturer	BWT
Part Number	WS555
Product Dimensions	48 x 27 x 60.2 cm; 22.55 kg
Item model number	WS555
Size	14 Litre
Colour	Blue
Style	Single
Material	Plastic
Power Source	AC/DC
Installation method	Under Sink
Item Package Quantity	1
Number of Pieces	1
Maximum Pressure	5 Bars
Measurement System	Metric
Special Features	Compact Design, Easy Installation
Included Components	Hi Flow Electronic Demand Block/Tablet Water Softener
Batteries included?	No
Batteries Required?	No
Item Weight	22.5 kg

Have a Question? See What Others Asked

What is the difference between ws355 and ws555? both are 14 litre

What are the annual running costs? Do you just have to buy salt blocks, anything else? Thanks, I am considering buying my 1st water softener.

can this be fitted if we have a hot water tap

Is the water safe to drink or tastes of salt?

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