Collection: Water Softeners Ireland

Culligan Arc Water Softeners

Using innovative water-softening technology, you can save money on your household bills as you say goodbye to limescale with softer water at home. 

The Culligan Arc is non-electric and uses twin-tank technology to provide soft water 24/7, making it the premium water softener. It has been designed for optimum efficiency, providing peak performance in a stylish modern cabinet that fits neatly under your kitchen sink.

Boasting enhanced engineering, an environmentally friendly enclosure, and rigorous testing, the Culligan Arc ensures unparalleled performance. It excels in meeting the demands of households with up to 3 bathrooms in regions with challenging water conditions, delivering optimal soft water solutions.

The Culligan Arc employs revolutionary Mini Curve Salt Blocks, which offer a hassle-free loading experience compared to traditional tablet salts packaged in heavy bags that can be cumbersome to transport.

Incorporating state-of-the-art smart-home connectivity, the system allows you to conveniently track your salt usage, effortlessly order replacements, and access support through the connected mobile app.

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Looking for a water softener for your home? You've come to the right place.

CWS Clack Water Softeners

Water hardness is a common problem in Ireland that most homeowners face. Hard water contains a high amount of dissolved calcium and magnesium which cause limescale buildup on water appliances such as electric kettles, washing machines, dishwashers, showers, and boilers.

Not only does limescale devalue your property by spoiling the overall look of your bathroom & kitchen, it also increases the energy bills and may even destroy the appliances.

Research has proven that hard water also leads to skin irritation, dry skin, hair fall, and dull hair.

At CWS we are committed to providing homeowners with the best quality water softeners. We supply, install and service a wide range of whole house water softening systems in various sizes to suit your individual needs. Working with your CWS water expert, you will be able to select a water softener system that will fit your exact requirements and budget.

Take the first step towards better quality water in your home with our range of water softeners

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Explore the Features

Our Most Popular Water Softening Package for Homes

  • CWS Clack Water Softener
  • Suitable for families with 2-8 members
  • Drinking Water Filter (Free)
  • Separate Drinking Water Tap (Free)
  • 25kg Water Softening Salt (Free)
  • Professional Installation (Free)
  • 35% More Efficient Salt Usage
  • 10 Years Parts Warranty
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Professional Installation With Every Softening System

Celtic Water Solutions offers installation service with all our water softeners to save you time and money. 

CWS Cabinet Water softeners are usually installed under the kitchen sink, however, can be installed wherever best suits you and your home. This could be in a garage, shed, utility room, or boiler room.

In instances, where enough space may not be present under a kitchen sink or mains shut off valve lies outside the house, we can also install the unit on an external wall in weather-proof cabinets.

Our installation team is highly qualified and have several years of experience dealing with complex installations. We are confident in our ability to pull out a neat & tidy job every time.

Discuss with our team to find out the best location to install a water softener system in your home.

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Enjoy 100% Limescale Free Home

Keeping limescale at bay is a constant battle and it can build up very quickly if not immediately addressed. Over time, it becomes hard, thick and a challenge to remove.

Thanks to CWS Clack Water Softeners, limescale would be a thing of the past. You would be able to enjoy the many benefits of soft water, your home would continue to look like new, and your water-using appliances would last long for years to come.

Our water softener will not only protect a home from the damaging effects of hard water but also removes the existing limescale that has been built over the years in the pipework.

Whether you have an existing home or moving into a new build house, we have a solution to solve hard water problems.

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Choose Only the Best Water Softener

While there are many companies out in the market who offer their water softeners at lower prices, it is interesting to note that those products are of inferior quality and often Chinese made products that won’t last long. Thus, you will have to search for a water softener all over again.

“Do It Once, Do it Right”

On the contrary, CWS Clack Water Softeners are built to last. Better than any other water softener in the market, CWS Clack water softeners are the permanent solution to ensure 100% limescale removal. Once installed, you’ll immediately witness the difference in your home water quality.

We, at Celtic Water Solutions, don’t sell any other brand for a reason. Over our long journey spanning nearly 20 years, we have excelled in customer service and are known for the highest quality water softening systems. And Clack has been a front runner in our success.

If you are looking to install a water softener anywhere in Ireland, just contact Celtic Water Solutions. We offer several water softening units for homes of all sizes and budgets.

Our water treatment experts will guide you through the options and suggest the best water softener based on your needs.

What Do Our Customers Say

Frequently Asked Questions


How does a water softener work?

Water passes through the internal cylinder of the softener unit where high-quality resin beads collect the hard water salts.

The softened water is then passed back into the system for use around the house. After a period of time, the resin beads become full and must be regenerated, this is done automatically.

A brine solution is drawn up from the tank and passed over the resin beads in the cylinder during a backwash. This releases the hard water salts which are then flushed away leaving the resin ready to begin its collection again.

The regeneration process is fully automatic and takes place late at night when there is no soft water requirement.

Which water softener is right for me?

The size of a water softener for your home depends on the hardness levels in your area and the daily consumption of water.

The first step in finding the right system for you is to calculate your Daily Softening Requirement as it indicates the amount of hardness your softener will have to remove daily. The daily softening requirement is calculated using your water hardness and your water consumption.

Water Hardness:

It is the measure of the total amount of calcium and magnesium dissolved in water. Usually represented as mg/L (milligrams per litre), it is a critical metric to buy the right-sized equipment. Guessing this number could lead to an improperly sized system. If you are unsure of the water hardness in your area, it is better to get a water test done first.

Water Consumption:

Another factor to consider while calculating Daily Softening Requirement is the daily water consumption. One of the easiest ways to find it out is by checking your water meter and then use this information to figure out how much water you use in a day.

Daily Softening Requirement:

It is calculated by multiplying your daily water use by water hardness. Let’s take an example.

If the water hardness in your is 400 mg/L and daily water usage is 2000 litres, the Daily Softening Requirement works out to be 800000 mg per day.

In most cases, CWS Clack Cabinet Water Softeners are a popular choice as they can easily fit under a kitchen sink and are suitable for a family of 2-8 members. Our larger water softening systems can easily cope up with demanding households, due to their higher water softening capacity and greater efficiency.

What is involved in the water softener installation process?

Installation of the water softener is covered in our package. Our engineer would bring all the necessary equipment, tools, and accessories needed for installation.

The process itself should take anywhere between 2-3 hours including all the plumbing work. The engineer would then set the settings on the digital meter and complete the installation process.

Will it fit under my kitchen sink?

A CWS Clack Cabinet Water Softener usually fits under most kitchen sinks. The dimensions of our cabinet water softener are 640 x 220 x 440 mm (H x W x D).

If there is not enough space under your sink, a water softener can be installed outside your house with a protective cover.

Check out our Installations Images to see various installation options available.

Do water softeners require maintenance

Yes, they will require salt to be topped up, this can be done by yourself very easily. It is also recommended that water softeners be serviced on an annual basis to keep the equipment in prime condition.

How often do I need to add salt to my softening system?

It depends on how often your system needs to regenerate. The more your softener regenerates the more salt you will consume. Generally, you will add salt to your brine tank about every 6-8 weeks.

CWS Clack Water Softener is almost 35% more efficient than other water softeners on the market and regenerates only when needed. This means you'll save a lot on salt & water usage.vvvvvvvvvvvvv

Can I drink softened water?

In short, yes you can. However, it is not recommended as softened water could contain a high amount of sodium which is not suitable for babies and people on low-sodium diets.

This is why we add a free drinking water filter to the package that removes all the excessive sodium present in the water.

Why are CWS water softeners better than others?

All softeners, regardless of price, should soften your water (reduce the hardness to acceptable levels).

The question is how long will the unit last? How often does it regenerate? What is the warranty? How long has the company been in business? Does the softener regenerate based on time rather than how much water has been used? How easy is it to change the settings and service the unit? How quickly can you get your questions answered and your problems solved?

CWS Clack Water Softener uses a high-quality Clack valve which is the best water softening valve in the Irish market.

Furthermore, at Celtic Water Solutions, customer service is something that we regard highly. No matter what your problem is, we are always there for you.

We serve customers who got their softening system installed by us almost 15 years ago and it still works great. Such is the longevity and reliability of CWS Clack Water Softener.